{
  "agent_application_cases": {
    "file-data": {
      "cache_state": {
        "guion_artifact": [
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable"
        ],
        "guion_source": [
          "miss",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit"
        ]
      },
      "expected_output": [
        "3"
      ],
      "native_backend_reports": {
        "guion_artifact": {
          "bytecode_blocks": 0,
          "bytecode_instructions": 0,
          "calls": 0,
          "compilations": 0,
          "compile_profile": {
            "finalize_nanoseconds": 0,
            "functions": [],
            "rejected_functions": [
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 8: Print",
                "name": "main",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              }
            ]
          },
          "compiled_functions": [],
          "cranelift_ir_blocks": 0,
          "cranelift_ir_instructions": 0,
          "deoptimization_sites": [],
          "deoptimizations": 0
        },
        "guion_source": {
          "bytecode_blocks": 0,
          "bytecode_instructions": 0,
          "calls": 0,
          "compilations": 0,
          "compile_profile": {
            "finalize_nanoseconds": 0,
            "functions": [],
            "rejected_functions": [
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 8: Print",
                "name": "main",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              }
            ]
          },
          "compiled_functions": [],
          "cranelift_ir_blocks": 0,
          "cranelift_ir_instructions": 0,
          "deoptimization_sites": [],
          "deoptimizations": 0
        }
      },
      "paired_trial_order": [
        [
          "guion_source",
          "guion_artifact",
          "python_reference"
        ],
        [
          "python_reference",
          "guion_artifact",
          "guion_source"
        ],
        [
          "python_reference",
          "guion_source",
          "guion_artifact"
        ],
        [
          "guion_artifact",
          "guion_source",
          "python_reference"
        ],
        [
          "python_reference",
          "guion_artifact",
          "guion_source"
        ],
        [
          "guion_source",
          "python_reference",
          "guion_artifact"
        ],
        [
          "guion_artifact",
          "guion_source",
          "python_reference"
        ]
      ],
      "peak_memory_bytes": {
        "guion_artifact": 4489216,
        "guion_source": 4849664,
        "python_reference": 15958016
      },
      "source_cache_bytes": 2421,
      "source_cache_states": {
        "guion_artifact": [
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable"
        ],
        "guion_source": [
          "miss",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit"
        ]
      },
      "workloads": {
        "guion_artifact": {
          "median_seconds": 0.0052306249854154885,
          "p95_seconds_nearest_rank": 0.005565166007727385,
          "samples_seconds": [
            0.004458750016056001,
            0.005060416006017476,
            0.005353209038730711,
            0.0052306249854154885,
            0.005436207982711494,
            0.005565166007727385,
            0.004999625030905008
          ]
        },
        "guion_source": {
          "median_seconds": 0.006131625035777688,
          "p95_seconds_nearest_rank": 0.00982224999461323,
          "samples_seconds": [
            0.005506916961167008,
            0.00982224999461323,
            0.0071069999830797315,
            0.006131625035777688,
            0.006308749958407134,
            0.005882124998606741,
            0.005945459008216858
          ]
        },
        "python_reference": {
          "median_seconds": 0.02708004100713879,
          "p95_seconds_nearest_rank": 0.030093249981291592,
          "samples_seconds": [
            0.0263945420156233,
            0.026340165990404785,
            0.030093249981291592,
            0.028353666013572365,
            0.028594833973329514,
            0.02708004100713879,
            0.026777249993756413
          ]
        }
      }
    },
    "sqlite-toml": {
      "cache_state": {
        "guion_artifact": [
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable"
        ],
        "guion_source": [
          "miss",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit"
        ]
      },
      "expected_output": [
        "Guion agents"
      ],
      "native_backend_reports": {
        "guion_artifact": {
          "bytecode_blocks": 1,
          "bytecode_instructions": 7,
          "calls": 0,
          "compilations": 1,
          "compile_profile": {
            "finalize_nanoseconds": 5708,
            "functions": [
              {
                "bytecode_blocks": 1,
                "bytecode_instructions": 7,
                "cranelift_ir_blocks": 17,
                "cranelift_ir_instructions": 275,
                "define_nanoseconds": 388875,
                "lowering_nanoseconds": 68875,
                "name": "std_error",
                "verification_nanoseconds": 43250
              }
            ],
            "rejected_functions": [
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TryResult",
                "name": "run_recipe",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 9: Print",
                "name": "main",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: ReadText",
                "name": "fs_read_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                "name": "fs_exists",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                "name": "fs_kind",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                "name": "fs_size",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                "name": "fs_modified_ms",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                "name": "fs_list_dir",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                "name": "fs_make_dir",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                "name": "fs_remove",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                "name": "fs_remove_all",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                "name": "fs_rename",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                "name": "fs_copy",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                "name": "fs_temp_dir",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                "name": "fs_temp_file",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_null",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_integer",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_real",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                "name": "today_local",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                "name": "parse_date",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                "name": "format_utc_date",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                "name": "resolve_local",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                "name": "time_zone_data_version",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteOpen",
                "name": "sqlite_open",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteBegin",
                "name": "sqlite_begin",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: SqliteExecute",
                "name": "sqlite_execute",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: SqliteQuery",
                "name": "sqlite_query",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteCommit",
                "name": "sqlite_commit",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteRollback",
                "name": "sqlite_rollback",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteClose",
                "name": "sqlite_close",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TomlParse",
                "name": "toml_parse",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlHas",
                "name": "toml_has",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlGetText",
                "name": "toml_get_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlGetInt",
                "name": "toml_get_int",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlGetBool",
                "name": "toml_get_bool",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: TomlPutText",
                "name": "toml_put_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: TomlPutInt",
                "name": "toml_put_int",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: TomlPutBool",
                "name": "toml_put_bool",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TomlRender",
                "name": "toml_render",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              }
            ]
          },
          "compiled_functions": [
            "std_error"
          ],
          "cranelift_ir_blocks": 17,
          "cranelift_ir_instructions": 275,
          "deoptimization_sites": [],
          "deoptimizations": 0
        },
        "guion_source": {
          "bytecode_blocks": 1,
          "bytecode_instructions": 7,
          "calls": 0,
          "compilations": 1,
          "compile_profile": {
            "finalize_nanoseconds": 8083,
            "functions": [
              {
                "bytecode_blocks": 1,
                "bytecode_instructions": 7,
                "cranelift_ir_blocks": 17,
                "cranelift_ir_instructions": 275,
                "define_nanoseconds": 391167,
                "lowering_nanoseconds": 88500,
                "name": "std_error",
                "verification_nanoseconds": 41541
              }
            ],
            "rejected_functions": [
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TryResult",
                "name": "run_recipe",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 9: Print",
                "name": "main",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: ReadText",
                "name": "fs_read_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                "name": "fs_exists",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                "name": "fs_kind",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                "name": "fs_size",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                "name": "fs_modified_ms",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                "name": "fs_list_dir",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                "name": "fs_make_dir",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                "name": "fs_remove",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                "name": "fs_remove_all",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                "name": "fs_rename",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                "name": "fs_copy",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                "name": "fs_temp_dir",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                "name": "fs_temp_file",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_null",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_integer",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_real",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 5: BytesFromText",
                "name": "sql_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                "name": "today_local",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                "name": "parse_date",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                "name": "format_utc_date",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                "name": "resolve_local",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                "name": "time_zone_data_version",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteOpen",
                "name": "sqlite_open",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteBegin",
                "name": "sqlite_begin",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: SqliteExecute",
                "name": "sqlite_execute",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: SqliteQuery",
                "name": "sqlite_query",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteCommit",
                "name": "sqlite_commit",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteRollback",
                "name": "sqlite_rollback",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: SqliteClose",
                "name": "sqlite_close",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TomlParse",
                "name": "toml_parse",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlHas",
                "name": "toml_has",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlGetText",
                "name": "toml_get_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlGetInt",
                "name": "toml_get_int",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 2: TomlGetBool",
                "name": "toml_get_bool",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: TomlPutText",
                "name": "toml_put_text",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: TomlPutInt",
                "name": "toml_put_int",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 3: TomlPutBool",
                "name": "toml_put_bool",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              },
              {
                "blocking_callee": null,
                "blocking_instruction": "bytecode instruction 1: TomlRender",
                "name": "toml_render",
                "reason": "native type inference could not prove the function's stack and control-flow types",
                "reason_code": "unsupported_types_or_control_flow"
              }
            ]
          },
          "compiled_functions": [
            "std_error"
          ],
          "cranelift_ir_blocks": 17,
          "cranelift_ir_instructions": 275,
          "deoptimization_sites": [],
          "deoptimizations": 0
        }
      },
      "paired_trial_order": [
        [
          "guion_source",
          "guion_artifact",
          "python_reference"
        ],
        [
          "python_reference",
          "guion_artifact",
          "guion_source"
        ],
        [
          "python_reference",
          "guion_source",
          "guion_artifact"
        ],
        [
          "guion_artifact",
          "guion_source",
          "python_reference"
        ],
        [
          "python_reference",
          "guion_artifact",
          "guion_source"
        ],
        [
          "guion_source",
          "python_reference",
          "guion_artifact"
        ],
        [
          "guion_artifact",
          "guion_source",
          "python_reference"
        ]
      ],
      "peak_memory_bytes": {
        "guion_artifact": 8224768,
        "guion_source": 8568832,
        "python_reference": 16056320
      },
      "source_cache_bytes": 17774,
      "source_cache_states": {
        "guion_artifact": [
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable"
        ],
        "guion_source": [
          "miss",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit"
        ]
      },
      "workloads": {
        "guion_artifact": {
          "median_seconds": 0.0066434170003049076,
          "p95_seconds_nearest_rank": 0.007318582967855036,
          "samples_seconds": [
            0.006445541977882385,
            0.007318582967855036,
            0.0064965839846991,
            0.006402500031981617,
            0.0071548339910805225,
            0.006931915995664895,
            0.0066434170003049076
          ]
        },
        "guion_source": {
          "median_seconds": 0.007995416992343962,
          "p95_seconds_nearest_rank": 0.00896858295891434,
          "samples_seconds": [
            0.007997790991794318,
            0.007524541986640543,
            0.008513875014614314,
            0.007481125008780509,
            0.007995416992343962,
            0.007792499964125454,
            0.00896858295891434
          ]
        },
        "python_reference": {
          "median_seconds": 0.025276666972786188,
          "p95_seconds_nearest_rank": 0.02629116695607081,
          "samples_seconds": [
            0.025276666972786188,
            0.0251854169764556,
            0.02471233403775841,
            0.025381917017512023,
            0.025074874982237816,
            0.02538595802616328,
            0.02629116695607081
          ]
        }
      }
    }
  },
  "cache_state": "cache implementation enabled; per-run states are recorded by workload",
  "created_at_utc": "2026-11-05T03:04:05.462637+00:00",
  "existing_correctness_checked_suite": {
    "artifact_bytes": {
      "jsonl-summary-data": 45658,
      "mandelbrot-image": 5719,
      "nbody-numeric": 22908,
      "parallel-cpu-20000": 2900,
      "parallel-cpu-200000": 2904,
      "richards-scheduler": 39028,
      "text-processing": 13170
    },
    "build_seconds": {
      "jsonl-summary-data": 0.00802312494488433,
      "mandelbrot-image": 0.005986333009786904,
      "mandelbrot-image_warm": 0.005776708014309406,
      "nbody-numeric": 0.006075000041164458,
      "nbody-numeric_warm": 0.005224458989687264,
      "parallel-cpu-20000": 0.005469541996717453,
      "parallel-cpu-200000": 0.005281457968521863,
      "richards-scheduler": 0.005337249953299761,
      "richards-scheduler_warm": 0.005209791008383036,
      "text-processing": 0.006132250011432916,
      "text-processing_warm": 0.0055324999848380685
    },
    "fixed_inputs": {
      "bootstrap_resamples": 20000,
      "bootstrap_seed": 20261026,
      "candidate_order": "seeded shuffle per paired trial",
      "compute_trials": 15,
      "data_trials": 16,
      "seed": 20261025,
      "warm_repetitions": 5,
      "warmups": 2
    },
    "free_threaded_python": {
      "available": false,
      "reason": "No python3.14t or python3t executable is installed; free-threaded concurrency comparison cannot be measured on this host.",
      "status": "unverified"
    },
    "memory_measurement": {
      "darwin_unit": "bytes",
      "method": "resource.getrusage(resource.RUSAGE_CHILDREN).ru_maxrss",
      "other_platform_unit": "kilobytes, converted to bytes",
      "process_pool_scope": "individual worker peaks; their sum is an upper bound, not a simultaneous process-tree peak",
      "single_process_scope": "direct child process"
    },
    "package_archive_sha256": null,
    "package_archive_size_bytes": null,
    "package_size_bytes": 601616452,
    "peak_memory_bytes": {
      "jsonl-summary-data-200000/guion_artifact": 12992512,
      "jsonl-summary-data-200000/guion_source": 13352960,
      "jsonl-summary-data-200000/guion_source_uncached": 13910016,
      "jsonl-summary-data-200000/python_data": 77545472,
      "jsonl-summary-data-200000/python_sqlite_native": 93454336,
      "jsonl-summary-data/guion_artifact": 12189696,
      "jsonl-summary-data/guion_source": 12632064,
      "jsonl-summary-data/guion_source_uncached": 13058048,
      "jsonl-summary-data/guion_warm_artifact": 12222464,
      "jsonl-summary-data/python_data": 27361280,
      "jsonl-summary-data/python_sqlite_native": 30539776,
      "jsonl-summary-data/python_warm": 24117248,
      "mandelbrot-image/guion_artifact": 7012352,
      "mandelbrot-image/guion_source": 7290880,
      "mandelbrot-image/guion_source_uncached": 7634944,
      "mandelbrot-image/guion_warm_artifact": 7012352,
      "mandelbrot-image/python_reference": 15040512,
      "mandelbrot-image/python_warm": 15581184,
      "nbody-numeric/guion_artifact": 9093120,
      "nbody-numeric/guion_source": 9388032,
      "nbody-numeric/guion_source_uncached": 9519104,
      "nbody-numeric/guion_warm_artifact": 9109504,
      "nbody-numeric/python_reference": 15433728,
      "nbody-numeric/python_warm": 16007168,
      "parallel-cpu-20000/guion_artifact": 6668288,
      "parallel-cpu-20000/guion_source": 6979584,
      "parallel-cpu-20000/guion_source_uncached": 7241728,
      "parallel-cpu-20000/guion_warm_artifact": 7061504,
      "parallel-cpu-20000/python_processes": 24477696,
      "parallel-cpu-20000/python_serial": 22577152,
      "parallel-cpu-20000/python_threads": 22626304,
      "parallel-cpu-20000/python_warm": 22331392,
      "parallel-cpu-200000/guion_artifact": 6668288,
      "parallel-cpu-200000/guion_source": 6995968,
      "parallel-cpu-200000/guion_source_uncached": 7258112,
      "parallel-cpu-200000/guion_warm_artifact": 7061504,
      "parallel-cpu-200000/python_processes": 24363008,
      "parallel-cpu-200000/python_serial": 22380544,
      "parallel-cpu-200000/python_threads": 22380544,
      "parallel-cpu-200000/python_warm": 22626304,
      "richards-scheduler/guion_artifact": 23740416,
      "richards-scheduler/guion_source": 24117248,
      "richards-scheduler/guion_source_uncached": 24526848,
      "richards-scheduler/guion_warm_artifact": 24068096,
      "richards-scheduler/python_reference": 19120128,
      "richards-scheduler/python_warm": 20054016,
      "text-processing/guion_artifact": 20103168,
      "text-processing/guion_source": 20512768,
      "text-processing/guion_source_uncached": 21037056,
      "text-processing/guion_warm_artifact": 29769728,
      "text-processing/python_reference": 27262976,
      "text-processing/python_warm": 31244288
    },
    "platform": {
      "architecture": "arm64",
      "platform": "macOS-27.0.1-arm64-arm-64bit-Mach-O",
      "release_binary": "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion",
      "release_binary_sha256": "1143282a00aafe9765abd60236489c4dd171637de881bc82e4ff19a11b2847b4"
    },
    "process_pool_worker_memory": {
      "parallel-cpu-20000": {
        "method": "resource.getrusage(resource.RUSAGE_SELF).ru_maxrss in each worker",
        "scope": "sum of each observed worker's peak (upper bound)",
        "sum_peak_rss_bytes_upper_bound": 72695808,
        "worker_count": 3,
        "workers": [
          {
            "peak_rss_bytes": 24297472,
            "pid": 53074
          },
          {
            "peak_rss_bytes": 24231936,
            "pid": 53075
          },
          {
            "peak_rss_bytes": 24166400,
            "pid": 53076
          }
        ]
      },
      "parallel-cpu-200000": {
        "method": "resource.getrusage(resource.RUSAGE_SELF).ru_maxrss in each worker",
        "scope": "sum of each observed worker's peak (upper bound)",
        "sum_peak_rss_bytes_upper_bound": 96649216,
        "worker_count": 4,
        "workers": [
          {
            "peak_rss_bytes": 23920640,
            "pid": 53327
          },
          {
            "peak_rss_bytes": 24526848,
            "pid": 53328
          },
          {
            "peak_rss_bytes": 24035328,
            "pid": 53329
          },
          {
            "peak_rss_bytes": 24166400,
            "pid": 53330
          }
        ]
      }
    },
    "python": {
      "executable": "/private/tmp/claude-501/-Users-rmichaelthomas-guion/e58dfaea-845a-457c-9d79-ebbd7a98b583/scratchpad/venv/bin/python",
      "gil_enabled": true,
      "matches_pinned": true,
      "pinned_version": "3.14.7",
      "version": "3.14.7 (main, Aug  5 2026, 10:29:49) [Clang 21.0.0 (clang-2100.1.1.101)]"
    },
    "resource_policy": {
      "allocation_limit_bytes": 8589934592,
      "instruction_limits_are_workload_specific": true,
      "reason": "same declared ceiling for each paired candidate; 200k JSONL scaling uses one workload pass per process to stay within the existing allocation ceiling; peak resident memory is measured separately",
      "warm_instruction_budget_multiplier": 5
    },
    "workloads": {
      "jsonl-summary-data": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by prior correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact_over_python": {
            "ci95_percentile": [
              0.6430443081606314,
              0.6494824403664299
            ],
            "median_ratio": 0.6457730753282325,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_artifact_over_sqlite_native": {
            "ci95_percentile": [
              0.5616590225673649,
              0.5704919665221535
            ],
            "median_ratio": 0.5679314026810356,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_over_python": {
            "ci95_percentile": [
              0.660540382223317,
              0.6670523586143001
            ],
            "median_ratio": 0.6642695310949831,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached_over_python": {
            "ci95_percentile": [
              0.6531074830298561,
              0.6591849486540597
            ],
            "median_ratio": 0.6570969725506124,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "generator_seed": 20261025,
        "guion_artifact": {
          "median_seconds": 0.07766529149375856,
          "p95_seconds_nearest_rank": 0.0790987079963088,
          "samples_seconds": [
            0.0779287499608472,
            0.07779208401916549,
            0.07676575001096353,
            0.07792758400319144,
            0.077323040983174,
            0.0790987079963088,
            0.07792379095917568,
            0.07808829203713685,
            0.07806754199555144,
            0.07748449995415285,
            0.0763383749872446,
            0.07765062496764585,
            0.07748933299444616,
            0.07767995801987126,
            0.07701091701164842,
            0.07761100004427135
          ]
        },
        "guion_source": {
          "median_seconds": 0.0794656875077635,
          "p95_seconds_nearest_rank": 0.08089883404318243,
          "samples_seconds": [
            0.07900833402527496,
            0.079689874954056,
            0.07902212499175221,
            0.07920779101550579,
            0.08081545802997425,
            0.07946570799686015,
            0.07903208397328854,
            0.07905879197642207,
            0.08089883404318243,
            0.07883345795562491,
            0.07963779103010893,
            0.07872037502238527,
            0.07946566701866686,
            0.08042149996617809,
            0.0794834999833256,
            0.07983970799250528
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.07875239601708017,
          "p95_seconds_nearest_rank": 0.08053866698173806,
          "samples_seconds": [
            0.07887445902451873,
            0.07869729201775044,
            0.07900966703891754,
            0.07725662499433383,
            0.07860112498747185,
            0.07945104199461639,
            0.08053866698173806,
            0.07918016699841246,
            0.07850858301389962,
            0.07827612501569092,
            0.07893141603562981,
            0.07866100000683218,
            0.0788075000164099,
            0.079228124988731,
            0.07841679098783061,
            0.07868375000543892
          ]
        },
        "guion_warm_artifact": {
          "median_seconds": 0.06653207089984789,
          "p95_seconds_nearest_rank": 0.06764270000858233,
          "samples_seconds": [
            0.06604302499908954,
            0.06604848339920863,
            0.06635259999893606,
            0.06621975839370861,
            0.06716745820594952,
            0.06751325819641352,
            0.06764270000858233,
            0.06668760000029579,
            0.0662597083952278,
            0.06650745839579031,
            0.06685588340042159,
            0.06616156660020352,
            0.06636652499437332,
            0.06660318340873346,
            0.06658265840960667,
            0.06655668340390548
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 29,
            "bytecode_instructions": 85,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 15291,
              "functions": [
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 347500,
                  "lowering_nanoseconds": 70125,
                  "name": "fs_open_lines",
                  "verification_nanoseconds": 40541
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 208167,
                  "lowering_nanoseconds": 33333,
                  "name": "fs_close_reader",
                  "verification_nanoseconds": 21208
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 247125,
                  "lowering_nanoseconds": 29666,
                  "name": "jsonl_open",
                  "verification_nanoseconds": 24875
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 168000,
                  "lowering_nanoseconds": 22417,
                  "name": "jsonl_no_line",
                  "verification_nanoseconds": 19459
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 153708,
                  "lowering_nanoseconds": 20166,
                  "name": "jsonl_no_value",
                  "verification_nanoseconds": 18834
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 147209,
                  "lowering_nanoseconds": 18834,
                  "name": "jsonl_no_error",
                  "verification_nanoseconds": 18750
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 210,
                  "define_nanoseconds": 173958,
                  "lowering_nanoseconds": 22167,
                  "name": "jsonl_some_line",
                  "verification_nanoseconds": 19833
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 203,
                  "define_nanoseconds": 155916,
                  "lowering_nanoseconds": 20291,
                  "name": "jsonl_some_value",
                  "verification_nanoseconds": 19125
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 209,
                  "define_nanoseconds": 167291,
                  "lowering_nanoseconds": 20500,
                  "name": "jsonl_some_error",
                  "verification_nanoseconds": 19667
                },
                {
                  "bytecode_blocks": 17,
                  "bytecode_instructions": 58,
                  "cranelift_ir_blocks": 106,
                  "cranelift_ir_instructions": 1686,
                  "define_nanoseconds": 1949917,
                  "lowering_nanoseconds": 134833,
                  "name": "jsonl_next",
                  "verification_nanoseconds": 156875
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 246291,
                  "lowering_nanoseconds": 28083,
                  "name": "jsonl_close",
                  "verification_nanoseconds": 27500
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 212: Add",
                  "name": "main",
                  "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                  "reason_code": "text_append_to_local"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: ReadText",
                  "name": "fs_read_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                  "name": "fs_exists",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                  "name": "fs_kind",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                  "name": "fs_size",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                  "name": "fs_modified_ms",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                  "name": "fs_list_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                  "name": "fs_make_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                  "name": "fs_remove",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                  "name": "fs_remove_all",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                  "name": "fs_rename",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                  "name": "fs_copy",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                  "name": "fs_temp_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                  "name": "fs_temp_file",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                  "name": "json_get_text_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                  "name": "json_get_int_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                  "name": "json_index_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                  "name": "json_stringify_pairs",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                  "name": "json_bool_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                  "name": "json_float_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "fs_open_lines",
              "fs_close_reader",
              "jsonl_open",
              "jsonl_no_line",
              "jsonl_no_value",
              "jsonl_no_error",
              "jsonl_some_line",
              "jsonl_some_value",
              "jsonl_some_error",
              "jsonl_next",
              "jsonl_close"
            ],
            "cranelift_ir_blocks": 256,
            "cranelift_ir_instructions": 3850,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 29,
            "bytecode_instructions": 85,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 15959,
              "functions": [
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 342792,
                  "lowering_nanoseconds": 76625,
                  "name": "fs_open_lines",
                  "verification_nanoseconds": 39542
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 199209,
                  "lowering_nanoseconds": 32416,
                  "name": "fs_close_reader",
                  "verification_nanoseconds": 21417
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 248500,
                  "lowering_nanoseconds": 37333,
                  "name": "jsonl_open",
                  "verification_nanoseconds": 25041
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 168208,
                  "lowering_nanoseconds": 23167,
                  "name": "jsonl_no_line",
                  "verification_nanoseconds": 19459
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 161541,
                  "lowering_nanoseconds": 20125,
                  "name": "jsonl_no_value",
                  "verification_nanoseconds": 18875
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 152500,
                  "lowering_nanoseconds": 20875,
                  "name": "jsonl_no_error",
                  "verification_nanoseconds": 19417
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 210,
                  "define_nanoseconds": 187500,
                  "lowering_nanoseconds": 23875,
                  "name": "jsonl_some_line",
                  "verification_nanoseconds": 21584
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 203,
                  "define_nanoseconds": 267375,
                  "lowering_nanoseconds": 21208,
                  "name": "jsonl_some_value",
                  "verification_nanoseconds": 19791
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 209,
                  "define_nanoseconds": 200708,
                  "lowering_nanoseconds": 30041,
                  "name": "jsonl_some_error",
                  "verification_nanoseconds": 23125
                },
                {
                  "bytecode_blocks": 17,
                  "bytecode_instructions": 58,
                  "cranelift_ir_blocks": 106,
                  "cranelift_ir_instructions": 1686,
                  "define_nanoseconds": 1949542,
                  "lowering_nanoseconds": 152333,
                  "name": "jsonl_next",
                  "verification_nanoseconds": 161208
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 249042,
                  "lowering_nanoseconds": 28709,
                  "name": "jsonl_close",
                  "verification_nanoseconds": 27292
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 212: Add",
                  "name": "main",
                  "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                  "reason_code": "text_append_to_local"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: ReadText",
                  "name": "fs_read_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                  "name": "fs_exists",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                  "name": "fs_kind",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                  "name": "fs_size",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                  "name": "fs_modified_ms",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                  "name": "fs_list_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                  "name": "fs_make_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                  "name": "fs_remove",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                  "name": "fs_remove_all",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                  "name": "fs_rename",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                  "name": "fs_copy",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                  "name": "fs_temp_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                  "name": "fs_temp_file",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                  "name": "json_get_text_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                  "name": "json_get_int_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                  "name": "json_index_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                  "name": "json_stringify_pairs",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                  "name": "json_bool_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                  "name": "json_float_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "fs_open_lines",
              "fs_close_reader",
              "jsonl_open",
              "jsonl_no_line",
              "jsonl_no_value",
              "jsonl_no_error",
              "jsonl_some_line",
              "jsonl_some_value",
              "jsonl_some_error",
              "jsonl_next",
              "jsonl_close"
            ],
            "cranelift_ir_blocks": 256,
            "cranelift_ir_instructions": 3850,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 29,
            "bytecode_instructions": 85,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 12000,
              "functions": [
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 353500,
                  "lowering_nanoseconds": 74750,
                  "name": "fs_open_lines",
                  "verification_nanoseconds": 40083
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 199709,
                  "lowering_nanoseconds": 26416,
                  "name": "fs_close_reader",
                  "verification_nanoseconds": 21542
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 248042,
                  "lowering_nanoseconds": 29958,
                  "name": "jsonl_open",
                  "verification_nanoseconds": 24750
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 170750,
                  "lowering_nanoseconds": 23167,
                  "name": "jsonl_no_line",
                  "verification_nanoseconds": 20000
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 153375,
                  "lowering_nanoseconds": 20166,
                  "name": "jsonl_no_value",
                  "verification_nanoseconds": 18709
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 145083,
                  "lowering_nanoseconds": 19375,
                  "name": "jsonl_no_error",
                  "verification_nanoseconds": 18542
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 210,
                  "define_nanoseconds": 175083,
                  "lowering_nanoseconds": 22208,
                  "name": "jsonl_some_line",
                  "verification_nanoseconds": 20000
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 203,
                  "define_nanoseconds": 153500,
                  "lowering_nanoseconds": 19500,
                  "name": "jsonl_some_value",
                  "verification_nanoseconds": 19042
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 209,
                  "define_nanoseconds": 164666,
                  "lowering_nanoseconds": 21041,
                  "name": "jsonl_some_error",
                  "verification_nanoseconds": 19417
                },
                {
                  "bytecode_blocks": 17,
                  "bytecode_instructions": 58,
                  "cranelift_ir_blocks": 106,
                  "cranelift_ir_instructions": 1686,
                  "define_nanoseconds": 1918167,
                  "lowering_nanoseconds": 140542,
                  "name": "jsonl_next",
                  "verification_nanoseconds": 160375
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 245875,
                  "lowering_nanoseconds": 27417,
                  "name": "jsonl_close",
                  "verification_nanoseconds": 27041
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 212: Add",
                  "name": "main",
                  "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                  "reason_code": "text_append_to_local"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: ReadText",
                  "name": "fs_read_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                  "name": "fs_exists",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                  "name": "fs_kind",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                  "name": "fs_size",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                  "name": "fs_modified_ms",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                  "name": "fs_list_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                  "name": "fs_make_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                  "name": "fs_remove",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                  "name": "fs_remove_all",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                  "name": "fs_rename",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                  "name": "fs_copy",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                  "name": "fs_temp_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                  "name": "fs_temp_file",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                  "name": "json_get_text_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                  "name": "json_get_int_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                  "name": "json_index_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                  "name": "json_stringify_pairs",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                  "name": "json_bool_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                  "name": "json_float_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "fs_open_lines",
              "fs_close_reader",
              "jsonl_open",
              "jsonl_no_line",
              "jsonl_no_value",
              "jsonl_no_error",
              "jsonl_some_line",
              "jsonl_some_value",
              "jsonl_some_error",
              "jsonl_next",
              "jsonl_close"
            ],
            "cranelift_ir_blocks": 256,
            "cranelift_ir_instructions": 3850,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_warm_artifact": {
            "bytecode_blocks": 29,
            "bytecode_instructions": 85,
            "calls": 20,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 10208,
              "functions": [
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 354625,
                  "lowering_nanoseconds": 69584,
                  "name": "fs_open_lines",
                  "verification_nanoseconds": 39000
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 204291,
                  "lowering_nanoseconds": 31250,
                  "name": "fs_close_reader",
                  "verification_nanoseconds": 21708
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 250834,
                  "lowering_nanoseconds": 29750,
                  "name": "jsonl_open",
                  "verification_nanoseconds": 25417
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 172250,
                  "lowering_nanoseconds": 23041,
                  "name": "jsonl_no_line",
                  "verification_nanoseconds": 20125
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 152667,
                  "lowering_nanoseconds": 20250,
                  "name": "jsonl_no_value",
                  "verification_nanoseconds": 18791
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 147667,
                  "lowering_nanoseconds": 18625,
                  "name": "jsonl_no_error",
                  "verification_nanoseconds": 18458
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 210,
                  "define_nanoseconds": 183166,
                  "lowering_nanoseconds": 22542,
                  "name": "jsonl_some_line",
                  "verification_nanoseconds": 20208
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 203,
                  "define_nanoseconds": 153375,
                  "lowering_nanoseconds": 20833,
                  "name": "jsonl_some_value",
                  "verification_nanoseconds": 19167
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 209,
                  "define_nanoseconds": 168500,
                  "lowering_nanoseconds": 20417,
                  "name": "jsonl_some_error",
                  "verification_nanoseconds": 19583
                },
                {
                  "bytecode_blocks": 17,
                  "bytecode_instructions": 58,
                  "cranelift_ir_blocks": 106,
                  "cranelift_ir_instructions": 1686,
                  "define_nanoseconds": 1945417,
                  "lowering_nanoseconds": 138334,
                  "name": "jsonl_next",
                  "verification_nanoseconds": 160125
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 247042,
                  "lowering_nanoseconds": 27834,
                  "name": "jsonl_close",
                  "verification_nanoseconds": 27625
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 212: Add",
                  "name": "benchmark_once",
                  "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                  "reason_code": "text_append_to_local"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "loop backedge at bytecode instruction 19",
                  "name": "main",
                  "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                  "reason_code": "native_loop_value_arena_retention"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: ReadText",
                  "name": "fs_read_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                  "name": "fs_exists",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                  "name": "fs_kind",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                  "name": "fs_size",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                  "name": "fs_modified_ms",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                  "name": "fs_list_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                  "name": "fs_make_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                  "name": "fs_remove",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                  "name": "fs_remove_all",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                  "name": "fs_rename",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                  "name": "fs_copy",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                  "name": "fs_temp_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                  "name": "fs_temp_file",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                  "name": "json_get_text_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                  "name": "json_get_int_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                  "name": "json_index_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                  "name": "json_stringify_pairs",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                  "name": "json_bool_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                  "name": "json_float_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "fs_open_lines",
              "fs_close_reader",
              "jsonl_open",
              "jsonl_no_line",
              "jsonl_no_value",
              "jsonl_no_error",
              "jsonl_some_line",
              "jsonl_some_value",
              "jsonl_some_error",
              "jsonl_next",
              "jsonl_close"
            ],
            "cranelift_ir_blocks": 256,
            "cranelift_ir_instructions": 3850,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "guion_source_uncached",
            "python_warm",
            "guion_warm_artifact",
            "python_sqlite_native",
            "python_data",
            "guion_artifact",
            "guion_source"
          ],
          [
            "python_data",
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "guion_warm_artifact",
            "python_sqlite_native",
            "guion_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_data",
            "guion_warm_artifact",
            "python_warm",
            "guion_source",
            "python_sqlite_native"
          ],
          [
            "python_warm",
            "guion_source",
            "python_sqlite_native",
            "guion_source_uncached",
            "guion_warm_artifact",
            "python_data",
            "guion_artifact"
          ],
          [
            "python_warm",
            "python_sqlite_native",
            "python_data",
            "guion_source_uncached",
            "guion_artifact",
            "guion_warm_artifact",
            "guion_source"
          ],
          [
            "guion_warm_artifact",
            "python_data",
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "python_sqlite_native",
            "guion_artifact"
          ],
          [
            "python_warm",
            "python_sqlite_native",
            "guion_source_uncached",
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_data"
          ],
          [
            "python_data",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_sqlite_native"
          ],
          [
            "guion_source",
            "guion_warm_artifact",
            "guion_source_uncached",
            "python_data",
            "guion_artifact",
            "python_sqlite_native",
            "python_warm"
          ],
          [
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "guion_source",
            "python_data",
            "python_sqlite_native",
            "python_warm"
          ],
          [
            "guion_artifact",
            "python_sqlite_native",
            "python_data",
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "guion_warm_artifact"
          ],
          [
            "python_data",
            "guion_source",
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "python_sqlite_native",
            "python_warm"
          ],
          [
            "python_warm",
            "guion_source",
            "python_sqlite_native",
            "python_data",
            "guion_artifact",
            "guion_warm_artifact",
            "guion_source_uncached"
          ],
          [
            "guion_warm_artifact",
            "python_data",
            "guion_artifact",
            "python_warm",
            "python_sqlite_native",
            "guion_source",
            "guion_source_uncached"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "python_sqlite_native",
            "guion_artifact",
            "python_data",
            "guion_warm_artifact"
          ],
          [
            "python_data",
            "guion_artifact",
            "python_warm",
            "python_sqlite_native",
            "guion_source",
            "guion_source_uncached",
            "guion_warm_artifact"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 0.07863604201702401,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 718417,
              "cli_to_report_excluding_process_startup_ns": 72920833,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 62250,
              "native_compilation": {
                "finalize_nanoseconds": 16916,
                "functions": [
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 357042,
                    "lowering_nanoseconds": 75334,
                    "name": "fs_open_lines",
                    "verification_nanoseconds": 39334
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 208750,
                    "lowering_nanoseconds": 31667,
                    "name": "fs_close_reader",
                    "verification_nanoseconds": 21958
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 251625,
                    "lowering_nanoseconds": 29333,
                    "name": "jsonl_open",
                    "verification_nanoseconds": 25417
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 170000,
                    "lowering_nanoseconds": 22750,
                    "name": "jsonl_no_line",
                    "verification_nanoseconds": 19833
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 153125,
                    "lowering_nanoseconds": 20834,
                    "name": "jsonl_no_value",
                    "verification_nanoseconds": 18666
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 144667,
                    "lowering_nanoseconds": 18875,
                    "name": "jsonl_no_error",
                    "verification_nanoseconds": 18542
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 210,
                    "define_nanoseconds": 174375,
                    "lowering_nanoseconds": 22625,
                    "name": "jsonl_some_line",
                    "verification_nanoseconds": 19958
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 203,
                    "define_nanoseconds": 153542,
                    "lowering_nanoseconds": 19875,
                    "name": "jsonl_some_value",
                    "verification_nanoseconds": 18875
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 209,
                    "define_nanoseconds": 166375,
                    "lowering_nanoseconds": 20084,
                    "name": "jsonl_some_error",
                    "verification_nanoseconds": 19583
                  },
                  {
                    "bytecode_blocks": 17,
                    "bytecode_instructions": 58,
                    "cranelift_ir_blocks": 106,
                    "cranelift_ir_instructions": 1686,
                    "define_nanoseconds": 2193042,
                    "lowering_nanoseconds": 138417,
                    "name": "jsonl_next",
                    "verification_nanoseconds": 156541
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 298250,
                    "lowering_nanoseconds": 46334,
                    "name": "jsonl_close",
                    "verification_nanoseconds": 30459
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 212: Add",
                    "name": "main",
                    "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                    "reason_code": "text_append_to_local"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: ReadText",
                    "name": "fs_read_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                    "name": "fs_exists",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                    "name": "fs_kind",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                    "name": "fs_size",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                    "name": "fs_modified_ms",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                    "name": "fs_list_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                    "name": "fs_make_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                    "name": "fs_remove",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                    "name": "fs_remove_all",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                    "name": "fs_rename",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                    "name": "fs_copy",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                    "name": "fs_temp_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                    "name": "fs_temp_file",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_null",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_real",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                    "name": "today_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                    "name": "parse_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                    "name": "format_utc_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                    "name": "resolve_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                    "name": "time_zone_data_version",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                    "name": "json_get_text_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                    "name": "json_get_int_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                    "name": "json_index_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                    "name": "json_stringify_pairs",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                    "name": "json_bool_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                    "name": "json_float_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_scalar",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_bytes",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": null,
                    "name": "text_split",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseInt",
                    "name": "text_parse_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                    "name": "text_parse_decimal",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": "unicode_casefold",
                    "blocking_instruction": "Call at bytecode instruction 1",
                    "name": "text_casefold",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": "unicode_normalize",
                    "blocking_instruction": "Call at bytecode instruction 2",
                    "name": "text_normalize",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                    "name": "unicode_casefold",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TextNormalize",
                    "name": "unicode_normalize",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 71871625,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile_enabled": false
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 0.07990145904477686,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 711375,
              "cli_to_report_excluding_process_startup_ns": 73954292,
              "compiler_pipeline": {
                "compile_program_ns": 331333,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 6,
                    "import_resolution_ns": 3334,
                    "parse_ns": 182167,
                    "path_validation_ns": 18625,
                    "source_bytes": 8820,
                    "source_name": "main.gu",
                    "source_read_ns": 15667
                  },
                  {
                    "import_count": 1,
                    "import_resolution_ns": 375,
                    "parse_ns": 53375,
                    "path_validation_ns": 16125,
                    "source_bytes": 1883,
                    "source_name": "std:fs",
                    "source_read_ns": 23792
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 5291,
                    "path_validation_ns": 14500,
                    "source_bytes": 271,
                    "source_name": "std:http_types",
                    "source_read_ns": 14542
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 22583,
                    "path_validation_ns": 13167,
                    "source_bytes": 1025,
                    "source_name": "std:json",
                    "source_read_ns": 13792
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 416,
                    "parse_ns": 31167,
                    "path_validation_ns": 13208,
                    "source_bytes": 1378,
                    "source_name": "std:jsonl",
                    "source_read_ns": 19958
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 458,
                    "parse_ns": 26625,
                    "path_validation_ns": 11875,
                    "source_bytes": 1276,
                    "source_name": "std:text",
                    "source_read_ns": 15458
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 24625,
                    "path_validation_ns": 14541,
                    "source_bytes": 1585,
                    "source_name": "std:time",
                    "source_read_ns": 16458
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 667,
                    "parse_ns": 31125,
                    "path_validation_ns": 17333,
                    "source_bytes": 1116,
                    "source_name": "std:types",
                    "source_read_ns": 17333
                  },
                  {
                    "import_count": 1,
                    "import_resolution_ns": 250,
                    "parse_ns": 6583,
                    "path_validation_ns": 13334,
                    "source_bytes": 337,
                    "source_name": "std:unicode",
                    "source_read_ns": 13708
                  }
                ],
                "rust_compiler_compile_ns": 1271500
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 18333,
                "functions": [
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 346000,
                    "lowering_nanoseconds": 71625,
                    "name": "fs_open_lines",
                    "verification_nanoseconds": 40042
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 206208,
                    "lowering_nanoseconds": 26417,
                    "name": "fs_close_reader",
                    "verification_nanoseconds": 21459
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 247000,
                    "lowering_nanoseconds": 27375,
                    "name": "jsonl_open",
                    "verification_nanoseconds": 25125
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 173500,
                    "lowering_nanoseconds": 22292,
                    "name": "jsonl_no_line",
                    "verification_nanoseconds": 24166
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 152583,
                    "lowering_nanoseconds": 20167,
                    "name": "jsonl_no_value",
                    "verification_nanoseconds": 18584
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 144166,
                    "lowering_nanoseconds": 18375,
                    "name": "jsonl_no_error",
                    "verification_nanoseconds": 18500
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 210,
                    "define_nanoseconds": 175584,
                    "lowering_nanoseconds": 22125,
                    "name": "jsonl_some_line",
                    "verification_nanoseconds": 20042
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 203,
                    "define_nanoseconds": 152375,
                    "lowering_nanoseconds": 19541,
                    "name": "jsonl_some_value",
                    "verification_nanoseconds": 19042
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 209,
                    "define_nanoseconds": 171125,
                    "lowering_nanoseconds": 20250,
                    "name": "jsonl_some_error",
                    "verification_nanoseconds": 19458
                  },
                  {
                    "bytecode_blocks": 17,
                    "bytecode_instructions": 58,
                    "cranelift_ir_blocks": 106,
                    "cranelift_ir_instructions": 1686,
                    "define_nanoseconds": 1937084,
                    "lowering_nanoseconds": 136292,
                    "name": "jsonl_next",
                    "verification_nanoseconds": 158666
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 253459,
                    "lowering_nanoseconds": 27500,
                    "name": "jsonl_close",
                    "verification_nanoseconds": 27375
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 212: Add",
                    "name": "main",
                    "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                    "reason_code": "text_append_to_local"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: ReadText",
                    "name": "fs_read_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                    "name": "fs_exists",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                    "name": "fs_kind",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                    "name": "fs_size",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                    "name": "fs_modified_ms",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                    "name": "fs_list_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                    "name": "fs_make_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                    "name": "fs_remove",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                    "name": "fs_remove_all",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                    "name": "fs_rename",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                    "name": "fs_copy",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                    "name": "fs_temp_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                    "name": "fs_temp_file",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_null",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_real",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                    "name": "today_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                    "name": "parse_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                    "name": "format_utc_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                    "name": "resolve_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                    "name": "time_zone_data_version",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                    "name": "json_get_text_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                    "name": "json_get_int_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                    "name": "json_index_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                    "name": "json_stringify_pairs",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                    "name": "json_bool_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                    "name": "json_float_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_scalar",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_bytes",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": null,
                    "name": "text_split",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseInt",
                    "name": "text_parse_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                    "name": "text_parse_decimal",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": "unicode_casefold",
                    "blocking_instruction": "Call at bytecode instruction 1",
                    "name": "text_casefold",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": "unicode_normalize",
                    "blocking_instruction": "Call at bytecode instruction 2",
                    "name": "text_normalize",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                    "name": "unicode_casefold",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TextNormalize",
                    "name": "unicode_normalize",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 71663500,
              "source_compile_or_cache_ns": 1366750
            },
            "runtime_profile_enabled": false
          }
        },
        "python_data": {
          "median_seconds": 0.11978804197860882,
          "p95_seconds_nearest_rank": 0.12297824997222051,
          "samples_seconds": [
            0.11997054197127,
            0.11977549997391179,
            0.11963254195870832,
            0.11851295799715444,
            0.11954195896396413,
            0.11980058398330584,
            0.12297824997222051,
            0.12292279198300093,
            0.12027579196728766,
            0.11874683300266042,
            0.11893191694980487,
            0.12044112500734627,
            0.11934333300450817,
            0.120562499971129,
            0.11958508298266679,
            0.12069308297941461
          ]
        },
        "python_sqlite_native": {
          "median_seconds": 0.1366983545012772,
          "p95_seconds_nearest_rank": 0.1456648749881424,
          "samples_seconds": [
            0.13671445898944512,
            0.13624479196732864,
            0.13677104201633483,
            0.13632687501376495,
            0.13703658402664587,
            0.1376059579779394,
            0.1366822500131093,
            0.1456648749881424,
            0.13650108297588304,
            0.13668112503364682,
            0.13455399998929352,
            0.13621529197553173,
            0.1363003339502029,
            0.13842066598590463,
            0.1371132910135202,
            0.14259333402151242
          ]
        },
        "python_warm": {
          "median_seconds": 0.07788519160239957,
          "p95_seconds_nearest_rank": 0.07870765819679945,
          "samples_seconds": [
            0.0780853584059514,
            0.0768906500074081,
            0.07817388320108876,
            0.0778939999989234,
            0.07749439160106704,
            0.07870765819679945,
            0.07765219999710098,
            0.07831035000272095,
            0.07695349160348997,
            0.07732585819903762,
            0.07720566659700126,
            0.07818250000709667,
            0.0784011831972748,
            0.07787638320587575,
            0.07796921679982916,
            0.07785331659251823
          ]
        },
        "rows": 20000,
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "miss",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ],
          "guion_warm_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ]
        },
        "timed_trials_per_candidate": 16
      },
      "jsonl-summary-data-200000": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact_over_python": {
            "ci95_percentile": [
              0.7658993426938681,
              0.7712867293981551
            ],
            "median_ratio": 0.7686539994529826,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_artifact_over_sqlite_native": {
            "ci95_percentile": [
              0.6109607698658877,
              0.6170183065402132
            ],
            "median_ratio": 0.6140313036660008,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_over_python": {
            "ci95_percentile": [
              0.7657802187806653,
              0.775978141104405
            ],
            "median_ratio": 0.7707611029622978,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached_over_python": {
            "ci95_percentile": [
              0.7653760300908333,
              0.7708264042398436
            ],
            "median_ratio": 0.767997111633469,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "generator_seed": 20261025,
        "guion_artifact": {
          "median_seconds": 0.5911959375371225,
          "p95_seconds_nearest_rank": 0.5947998330229893,
          "samples_seconds": [
            0.589238291955553,
            0.5935225409921259,
            0.5867525829817168,
            0.5900119169964455,
            0.5843227080185898,
            0.5894818330416456,
            0.5927914999774657,
            0.5868852499988861,
            0.5924795420141891,
            0.5902069580042735,
            0.5947998330229893,
            0.5946807080181316,
            0.5929379590088502,
            0.5904163340455852,
            0.5921915419748984,
            0.5919755410286598
          ]
        },
        "guion_source": {
          "median_seconds": 0.5919931454991456,
          "p95_seconds_nearest_rank": 0.6014108749805018,
          "samples_seconds": [
            0.6014108749805018,
            0.5952927499893121,
            0.5888182920170948,
            0.5899900419753976,
            0.5925062499591149,
            0.5855739170219749,
            0.5914800410391763,
            0.5902294170227833,
            0.5925518340081908,
            0.598878082993906,
            0.5989673750009388,
            0.5999108749674633,
            0.5846837920253165,
            0.5991739580058493,
            0.5910674590268172,
            0.5910365000017919
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.5913242504757363,
          "p95_seconds_nearest_rank": 0.5970560000278056,
          "samples_seconds": [
            0.5939282919862308,
            0.5877866250229999,
            0.5970560000278056,
            0.5887157089891843,
            0.5904709169990383,
            0.5966910829884,
            0.5866744589875452,
            0.5952601669705473,
            0.5930129159823991,
            0.5954754169797525,
            0.5928800000110641,
            0.586082499998156,
            0.5885237500187941,
            0.5870117080048658,
            0.5921775839524344,
            0.5890080420067534
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 29,
            "bytecode_instructions": 85,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 15167,
              "functions": [
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 400000,
                  "lowering_nanoseconds": 84750,
                  "name": "fs_open_lines",
                  "verification_nanoseconds": 42667
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 217166,
                  "lowering_nanoseconds": 43375,
                  "name": "fs_close_reader",
                  "verification_nanoseconds": 22375
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 260666,
                  "lowering_nanoseconds": 32167,
                  "name": "jsonl_open",
                  "verification_nanoseconds": 27125
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 211875,
                  "lowering_nanoseconds": 24083,
                  "name": "jsonl_no_line",
                  "verification_nanoseconds": 20667
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 219667,
                  "lowering_nanoseconds": 35292,
                  "name": "jsonl_no_value",
                  "verification_nanoseconds": 25250
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 183959,
                  "lowering_nanoseconds": 24000,
                  "name": "jsonl_no_error",
                  "verification_nanoseconds": 19209
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 210,
                  "define_nanoseconds": 200500,
                  "lowering_nanoseconds": 35083,
                  "name": "jsonl_some_line",
                  "verification_nanoseconds": 21333
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 203,
                  "define_nanoseconds": 186208,
                  "lowering_nanoseconds": 22917,
                  "name": "jsonl_some_value",
                  "verification_nanoseconds": 19833
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 209,
                  "define_nanoseconds": 174125,
                  "lowering_nanoseconds": 22167,
                  "name": "jsonl_some_error",
                  "verification_nanoseconds": 19750
                },
                {
                  "bytecode_blocks": 17,
                  "bytecode_instructions": 58,
                  "cranelift_ir_blocks": 106,
                  "cranelift_ir_instructions": 1686,
                  "define_nanoseconds": 1985125,
                  "lowering_nanoseconds": 160292,
                  "name": "jsonl_next",
                  "verification_nanoseconds": 159834
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 249166,
                  "lowering_nanoseconds": 29209,
                  "name": "jsonl_close",
                  "verification_nanoseconds": 27417
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 212: Add",
                  "name": "main",
                  "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                  "reason_code": "text_append_to_local"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: ReadText",
                  "name": "fs_read_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                  "name": "fs_exists",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                  "name": "fs_kind",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                  "name": "fs_size",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                  "name": "fs_modified_ms",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                  "name": "fs_list_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                  "name": "fs_make_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                  "name": "fs_remove",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                  "name": "fs_remove_all",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                  "name": "fs_rename",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                  "name": "fs_copy",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                  "name": "fs_temp_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                  "name": "fs_temp_file",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                  "name": "json_get_text_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                  "name": "json_get_int_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                  "name": "json_index_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                  "name": "json_stringify_pairs",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                  "name": "json_bool_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                  "name": "json_float_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "fs_open_lines",
              "fs_close_reader",
              "jsonl_open",
              "jsonl_no_line",
              "jsonl_no_value",
              "jsonl_no_error",
              "jsonl_some_line",
              "jsonl_some_value",
              "jsonl_some_error",
              "jsonl_next",
              "jsonl_close"
            ],
            "cranelift_ir_blocks": 256,
            "cranelift_ir_instructions": 3850,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 29,
            "bytecode_instructions": 85,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 15083,
              "functions": [
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 353292,
                  "lowering_nanoseconds": 87792,
                  "name": "fs_open_lines",
                  "verification_nanoseconds": 40291
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 202334,
                  "lowering_nanoseconds": 34750,
                  "name": "fs_close_reader",
                  "verification_nanoseconds": 21917
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 251166,
                  "lowering_nanoseconds": 31750,
                  "name": "jsonl_open",
                  "verification_nanoseconds": 25333
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 171625,
                  "lowering_nanoseconds": 22083,
                  "name": "jsonl_no_line",
                  "verification_nanoseconds": 20125
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 157250,
                  "lowering_nanoseconds": 19875,
                  "name": "jsonl_no_value",
                  "verification_nanoseconds": 18667
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 144875,
                  "lowering_nanoseconds": 19250,
                  "name": "jsonl_no_error",
                  "verification_nanoseconds": 18541
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 210,
                  "define_nanoseconds": 184000,
                  "lowering_nanoseconds": 23292,
                  "name": "jsonl_some_line",
                  "verification_nanoseconds": 20667
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 203,
                  "define_nanoseconds": 153625,
                  "lowering_nanoseconds": 20292,
                  "name": "jsonl_some_value",
                  "verification_nanoseconds": 22917
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 209,
                  "define_nanoseconds": 166875,
                  "lowering_nanoseconds": 20333,
                  "name": "jsonl_some_error",
                  "verification_nanoseconds": 19541
                },
                {
                  "bytecode_blocks": 17,
                  "bytecode_instructions": 58,
                  "cranelift_ir_blocks": 106,
                  "cranelift_ir_instructions": 1686,
                  "define_nanoseconds": 1927958,
                  "lowering_nanoseconds": 152250,
                  "name": "jsonl_next",
                  "verification_nanoseconds": 158541
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 246250,
                  "lowering_nanoseconds": 27792,
                  "name": "jsonl_close",
                  "verification_nanoseconds": 26916
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 212: Add",
                  "name": "main",
                  "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                  "reason_code": "text_append_to_local"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: ReadText",
                  "name": "fs_read_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                  "name": "fs_exists",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                  "name": "fs_kind",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                  "name": "fs_size",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                  "name": "fs_modified_ms",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                  "name": "fs_list_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                  "name": "fs_make_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                  "name": "fs_remove",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                  "name": "fs_remove_all",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                  "name": "fs_rename",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                  "name": "fs_copy",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                  "name": "fs_temp_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                  "name": "fs_temp_file",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                  "name": "json_get_text_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                  "name": "json_get_int_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                  "name": "json_index_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                  "name": "json_stringify_pairs",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                  "name": "json_bool_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                  "name": "json_float_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "fs_open_lines",
              "fs_close_reader",
              "jsonl_open",
              "jsonl_no_line",
              "jsonl_no_value",
              "jsonl_no_error",
              "jsonl_some_line",
              "jsonl_some_value",
              "jsonl_some_error",
              "jsonl_next",
              "jsonl_close"
            ],
            "cranelift_ir_blocks": 256,
            "cranelift_ir_instructions": 3850,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 29,
            "bytecode_instructions": 85,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 12625,
              "functions": [
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 341084,
                  "lowering_nanoseconds": 67625,
                  "name": "fs_open_lines",
                  "verification_nanoseconds": 41625
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 218,
                  "define_nanoseconds": 201083,
                  "lowering_nanoseconds": 26833,
                  "name": "fs_close_reader",
                  "verification_nanoseconds": 21333
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 261875,
                  "lowering_nanoseconds": 30958,
                  "name": "jsonl_open",
                  "verification_nanoseconds": 26292
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 189791,
                  "lowering_nanoseconds": 23625,
                  "name": "jsonl_no_line",
                  "verification_nanoseconds": 20083
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 157834,
                  "lowering_nanoseconds": 20500,
                  "name": "jsonl_no_value",
                  "verification_nanoseconds": 18583
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 2,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 200,
                  "define_nanoseconds": 149750,
                  "lowering_nanoseconds": 21125,
                  "name": "jsonl_no_error",
                  "verification_nanoseconds": 19542
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 210,
                  "define_nanoseconds": 182500,
                  "lowering_nanoseconds": 32916,
                  "name": "jsonl_some_line",
                  "verification_nanoseconds": 20083
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 14,
                  "cranelift_ir_instructions": 203,
                  "define_nanoseconds": 157250,
                  "lowering_nanoseconds": 20625,
                  "name": "jsonl_some_value",
                  "verification_nanoseconds": 19208
                },
                {
                  "bytecode_blocks": 1,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 15,
                  "cranelift_ir_instructions": 209,
                  "define_nanoseconds": 174750,
                  "lowering_nanoseconds": 20250,
                  "name": "jsonl_some_error",
                  "verification_nanoseconds": 19541
                },
                {
                  "bytecode_blocks": 17,
                  "bytecode_instructions": 58,
                  "cranelift_ir_blocks": 106,
                  "cranelift_ir_instructions": 1686,
                  "define_nanoseconds": 2082166,
                  "lowering_nanoseconds": 191334,
                  "name": "jsonl_next",
                  "verification_nanoseconds": 177667
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 3,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 253,
                  "define_nanoseconds": 255000,
                  "lowering_nanoseconds": 31750,
                  "name": "jsonl_close",
                  "verification_nanoseconds": 27917
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 212: Add",
                  "name": "main",
                  "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                  "reason_code": "text_append_to_local"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: ReadText",
                  "name": "fs_read_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                  "name": "fs_exists",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                  "name": "fs_kind",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                  "name": "fs_size",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                  "name": "fs_modified_ms",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                  "name": "fs_list_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                  "name": "fs_make_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                  "name": "fs_remove",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                  "name": "fs_remove_all",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                  "name": "fs_rename",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                  "name": "fs_copy",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                  "name": "fs_temp_dir",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                  "name": "fs_temp_file",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                  "name": "json_get_text_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                  "name": "json_get_int_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                  "name": "json_index_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                  "name": "json_stringify_pairs",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                  "name": "json_bool_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                  "name": "json_float_safe",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "fs_open_lines",
              "fs_close_reader",
              "jsonl_open",
              "jsonl_no_line",
              "jsonl_no_value",
              "jsonl_no_error",
              "jsonl_some_line",
              "jsonl_some_value",
              "jsonl_some_error",
              "jsonl_next",
              "jsonl_close"
            ],
            "cranelift_ir_blocks": 256,
            "cranelift_ir_instructions": 3850,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "python_data",
            "guion_source",
            "python_sqlite_native",
            "guion_source_uncached",
            "guion_artifact"
          ],
          [
            "python_sqlite_native",
            "python_data",
            "guion_source_uncached",
            "guion_artifact",
            "guion_source"
          ],
          [
            "guion_source_uncached",
            "python_sqlite_native",
            "python_data",
            "guion_artifact",
            "guion_source"
          ],
          [
            "guion_source_uncached",
            "python_sqlite_native",
            "guion_artifact",
            "guion_source",
            "python_data"
          ],
          [
            "python_data",
            "guion_artifact",
            "guion_source_uncached",
            "python_sqlite_native",
            "guion_source"
          ],
          [
            "guion_artifact",
            "guion_source",
            "python_sqlite_native",
            "guion_source_uncached",
            "python_data"
          ],
          [
            "python_data",
            "guion_source_uncached",
            "python_sqlite_native",
            "guion_artifact",
            "guion_source"
          ],
          [
            "guion_source",
            "guion_artifact",
            "guion_source_uncached",
            "python_data",
            "python_sqlite_native"
          ],
          [
            "guion_source",
            "guion_artifact",
            "python_data",
            "python_sqlite_native",
            "guion_source_uncached"
          ],
          [
            "python_data",
            "python_sqlite_native",
            "guion_source_uncached",
            "guion_artifact",
            "guion_source"
          ],
          [
            "guion_artifact",
            "python_data",
            "guion_source_uncached",
            "guion_source",
            "python_sqlite_native"
          ],
          [
            "guion_source",
            "python_data",
            "guion_source_uncached",
            "python_sqlite_native",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_data",
            "guion_artifact",
            "python_sqlite_native"
          ],
          [
            "guion_source_uncached",
            "python_data",
            "guion_artifact",
            "python_sqlite_native",
            "guion_source"
          ],
          [
            "guion_artifact",
            "python_sqlite_native",
            "python_data",
            "guion_source_uncached",
            "guion_source"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_data",
            "guion_artifact",
            "python_sqlite_native"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 6.917742583027575,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 699167,
              "cli_to_report_excluding_process_startup_ns": 6911783334,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 60958,
              "native_compilation": {
                "finalize_nanoseconds": 11167,
                "functions": [
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 356375,
                    "lowering_nanoseconds": 67333,
                    "name": "fs_open_lines",
                    "verification_nanoseconds": 39125
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 204208,
                    "lowering_nanoseconds": 34833,
                    "name": "fs_close_reader",
                    "verification_nanoseconds": 21625
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 252792,
                    "lowering_nanoseconds": 30791,
                    "name": "jsonl_open",
                    "verification_nanoseconds": 25333
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 171209,
                    "lowering_nanoseconds": 23209,
                    "name": "jsonl_no_line",
                    "verification_nanoseconds": 20166
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 153875,
                    "lowering_nanoseconds": 20709,
                    "name": "jsonl_no_value",
                    "verification_nanoseconds": 18750
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 145167,
                    "lowering_nanoseconds": 19458,
                    "name": "jsonl_no_error",
                    "verification_nanoseconds": 18500
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 210,
                    "define_nanoseconds": 178125,
                    "lowering_nanoseconds": 22291,
                    "name": "jsonl_some_line",
                    "verification_nanoseconds": 20000
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 203,
                    "define_nanoseconds": 154333,
                    "lowering_nanoseconds": 20625,
                    "name": "jsonl_some_value",
                    "verification_nanoseconds": 18916
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 209,
                    "define_nanoseconds": 166709,
                    "lowering_nanoseconds": 20959,
                    "name": "jsonl_some_error",
                    "verification_nanoseconds": 19584
                  },
                  {
                    "bytecode_blocks": 17,
                    "bytecode_instructions": 58,
                    "cranelift_ir_blocks": 106,
                    "cranelift_ir_instructions": 1689,
                    "define_nanoseconds": 1926542,
                    "lowering_nanoseconds": 137959,
                    "name": "jsonl_next",
                    "verification_nanoseconds": 158041
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 248250,
                    "lowering_nanoseconds": 28333,
                    "name": "jsonl_close",
                    "verification_nanoseconds": 27250
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 212: Add",
                    "name": "main",
                    "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                    "reason_code": "text_append_to_local"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: ReadText",
                    "name": "fs_read_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                    "name": "fs_exists",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                    "name": "fs_kind",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                    "name": "fs_size",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                    "name": "fs_modified_ms",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                    "name": "fs_list_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                    "name": "fs_make_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                    "name": "fs_remove",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                    "name": "fs_remove_all",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                    "name": "fs_rename",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                    "name": "fs_copy",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                    "name": "fs_temp_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                    "name": "fs_temp_file",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_null",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_real",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                    "name": "today_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                    "name": "parse_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                    "name": "format_utc_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                    "name": "resolve_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                    "name": "time_zone_data_version",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                    "name": "json_get_text_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                    "name": "json_get_int_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                    "name": "json_index_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                    "name": "json_stringify_pairs",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                    "name": "json_bool_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                    "name": "json_float_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_scalar",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_bytes",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": null,
                    "name": "text_split",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseInt",
                    "name": "text_parse_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                    "name": "text_parse_decimal",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": "unicode_casefold",
                    "blocking_instruction": "Call at bytecode instruction 1",
                    "name": "text_casefold",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": "unicode_normalize",
                    "blocking_instruction": "Call at bytecode instruction 2",
                    "name": "text_normalize",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                    "name": "unicode_casefold",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TextNormalize",
                    "name": "unicode_normalize",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 6910661041,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile": {
              "dynamic_guest_conditional_branch_executions": 4173319,
              "estimated_guest_allocation_budget_charges": {
                "estimated_gross_bytes": 812049492,
                "estimated_net_bytes": 812049492,
                "estimated_refunded_bytes": 0,
                "successful_events": 13695837
              },
              "function_call_counts": {
                "jsonl_close": 1,
                "jsonl_next": 200948,
                "jsonl_no_error": 198426,
                "jsonl_no_line": 1,
                "jsonl_no_value": 2521,
                "jsonl_open": 1,
                "jsonl_some_error": 2521,
                "jsonl_some_line": 200947,
                "jsonl_some_value": 198426
              },
              "function_loop_backedge_counts": {
                "main": 201095
              },
              "host_operations": {
                "counts": {
                  "Args": 1,
                  "FileClose": 1,
                  "FileNextLine": 200948,
                  "FileOpenLines": 1,
                  "JsonArray": 2,
                  "JsonGet": 420,
                  "JsonInt": 202151,
                  "JsonObject": 3900,
                  "JsonParse": 200947,
                  "JsonPushLocal": 3759,
                  "JsonSetLocal": 205283,
                  "JsonStringify": 1,
                  "JsonText": 2710,
                  "JsonTryGet": 985575,
                  "JsonTryInt": 588723,
                  "JsonTryText": 396852,
                  "TextCollapseWhitespace": 200947,
                  "TimeFormatUtc": 196381,
                  "TimeParseTimestamp": 196381,
                  "WriteTextAtomic": 1
                },
                "inclusive_nanoseconds": {
                  "Args": 6084,
                  "FileClose": 12167,
                  "FileNextLine": 29230613,
                  "FileOpenLines": 76625,
                  "JsonArray": 1584,
                  "JsonGet": 24087,
                  "JsonInt": 21239889,
                  "JsonObject": 211356,
                  "JsonParse": 72217790,
                  "JsonPushLocal": 186144,
                  "JsonSetLocal": 26213827,
                  "JsonStringify": 279417,
                  "JsonText": 223660,
                  "JsonTryGet": 45073252,
                  "JsonTryInt": 31335017,
                  "JsonTryText": 14782163,
                  "TextCollapseWhitespace": 13770295,
                  "TimeFormatUtc": 35757133,
                  "TimeParseTimestamp": 10182628,
                  "WriteTextAtomic": 9159583
                },
                "sample_rate_operations": 1,
                "timings_are_sampled": false
              },
              "json_phase_nanoseconds": {
                "parse_and_reserved_key_handling": 37712460,
                "post_parse_metrics_traversal": 16214655
              },
              "json_set": {
                "copy_on_write_copies": 196241,
                "estimated_copy_bytes": 94786273,
                "operations": 205283
              },
              "list_set": {
                "copy_on_write_copies": 0,
                "copy_size_histogram": {
                  "buckets": {
                    "0-8": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    },
                    "129+": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    },
                    "33-128": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    },
                    "9-32": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    }
                  },
                  "unit": "elements"
                },
                "estimated_copy_bytes": 0,
                "in_place_updates": 0,
                "operations": 0
              },
              "map_record_update": {
                "copy_on_write_copies": 0,
                "estimated_map_copy_bytes": 0,
                "estimated_record_copy_bytes": 0,
                "in_place_updates": 0,
                "operations": 0,
                "reads": 0
              },
              "map_set": {
                "copy_on_write_copies": 0,
                "estimated_copy_bytes": 0,
                "in_place_updates": 392762,
                "operations": 392762
              },
              "metric_limits": {
                "allocation": "estimated guest-data budget charges, not host allocator calls",
                "branches": "executed guest conditional branches, not hardware branch-misprediction counts",
                "function_calls": "exact function call counts",
                "host_operation_time": "inclusive time at host-op boundary; nested parse/metrics timers overlap and must not be summed",
                "opcode_counts": "exact executed opcode counts",
                "opcode_transitions": "exact adjacent opcode transitions attributed to the current function",
                "vm_instruction_counts": "exact executed instruction count",
                "vm_sampled_time": "sampled wall time includes host calls and inline fast-forwarded guest children; sampled_functions subtracts both to estimate exclusive guest time; deterministic hash sampling targets one in 1024 frames and always includes the first frame; attribution only, not final benchmark timing"
              },
              "opcode_executions": {
                "Add": 1967441,
                "Args": 1,
                "Call": 803792,
                "Const": 4753063,
                "Equal": 196386,
                "FileNextLine": 200948,
                "GetError": 2521,
                "GetField": 1600465,
                "Greater": 196241,
                "Index": 2356722,
                "IsOk": 1590885,
                "IsSome": 601896,
                "JsonArray": 2,
                "JsonGet": 420,
                "JsonInt": 202151,
                "JsonObject": 3900,
                "JsonParse": 200947,
                "JsonPushLocal": 3759,
                "JsonSetLocal": 205283,
                "JsonStringify": 1,
                "JsonText": 2710,
                "JsonTryGet": 985575,
                "JsonTryInt": 588723,
                "JsonTryText": 396852,
                "Jump": 806915,
                "JumpIfFalse": 4173319,
                "Length": 156,
                "Less": 196397,
                "Load": 14069209,
                "MakeNone": 200948,
                "MakeOk": 200948,
                "MakeRecord": 400947,
                "MakeSome": 401894,
                "MakeTypedMap": 196383,
                "MapHas": 392762,
                "MapKeys": 6,
                "MapSet": 392762,
                "Not": 2392783,
                "NotEqual": 397329,
                "Return": 803791,
                "Store": 5955380,
                "TextChars": 196381,
                "TextCollapseWhitespace": 200947,
                "TimeFormatUtc": 196381,
                "TimeParseTimestamp": 196381,
                "Unwrap": 3560465,
                "WriteTextAtomic": 1
              },
              "opcode_transition_counts": {
                "jsonl_next::Call->Call": 198426,
                "jsonl_next::Call->Load": 2521,
                "jsonl_next::Call->MakeOk": 200948,
                "jsonl_next::Call->MakeRecord": 200947,
                "jsonl_next::FileNextLine->Store": 200948,
                "jsonl_next::GetError->Call": 2521,
                "jsonl_next::GetField->Call": 2521,
                "jsonl_next::GetField->JsonParse": 200947,
                "jsonl_next::GetField->Load": 399373,
                "jsonl_next::IsOk->JumpIfFalse": 200947,
                "jsonl_next::IsOk->Not": 200948,
                "jsonl_next::IsSome->Not": 200948,
                "jsonl_next::JsonParse->Store": 200947,
                "jsonl_next::JumpIfFalse->Call": 1,
                "jsonl_next::JumpIfFalse->Load": 198426,
                "jsonl_next::Load->FileNextLine": 200948,
                "jsonl_next::Load->GetError": 2521,
                "jsonl_next::Load->GetField": 602841,
                "jsonl_next::Load->IsOk": 401895,
                "jsonl_next::Load->IsSome": 200948,
                "jsonl_next::Load->Unwrap": 600321,
                "jsonl_next::MakeOk->Return": 200948,
                "jsonl_next::MakeRecord->Call": 200947,
                "jsonl_next::Not->JumpIfFalse": 401896,
                "jsonl_next::Store->Load": 803790,
                "jsonl_next::Unwrap->Call": 198426,
                "jsonl_next::Unwrap->Store": 401895,
                "main::Add->Index": 2,
                "main::Add->JsonInt": 196241,
                "main::Add->Load": 1571050,
                "main::Add->Store": 200147,
                "main::Add->WriteTextAtomic": 1,
                "main::Args->Store": 1,
                "main::Const->Add": 200012,
                "main::Const->Const": 140,
                "main::Const->Equal": 196386,
                "main::Const->Index": 1963810,
                "main::Const->JsonGet": 420,
                "main::Const->JsonInt": 140,
                "main::Const->JsonTryGet": 985575,
                "main::Const->Jump": 4090,
                "main::Const->JumpIfFalse": 196383,
                "main::Const->Load": 205143,
                "main::Const->MakeRecord": 200000,
                "main::Const->NotEqual": 397329,
                "main::Const->Return": 1,
                "main::Const->Store": 403634,
                "main::Equal->JumpIfFalse": 196386,
                "main::GetField->IsSome": 200000,
                "main::GetField->JsonInt": 5769,
                "main::GetField->Load": 392482,
                "main::GetField->TextCollapseWhitespace": 200947,
                "main::GetField->Unwrap": 198426,
                "main::Greater->JumpIfFalse": 196241,
                "main::Index->Add": 1767429,
                "main::Index->Const": 3,
                "main::Index->Load": 196381,
                "main::Index->Store": 392909,
                "main::IsOk->Not": 1188990,
                "main::IsSome->Not": 400948,
                "main::JsonArray->Store": 2,
                "main::JsonGet->JsonSetLocal": 420,
                "main::JsonInt->JsonSetLocal": 202151,
                "main::JsonObject->Store": 3900,
                "main::JsonPushLocal->Load": 3759,
                "main::JsonSetLocal->Const": 3272,
                "main::JsonSetLocal->Jump": 1870,
                "main::JsonSetLocal->Load": 200141,
                "main::JsonStringify->Const": 1,
                "main::JsonText->JsonSetLocal": 2710,
                "main::JsonTryGet->Store": 396852,
                "main::JsonTryGet->Unwrap": 588723,
                "main::JsonTryInt->Store": 588723,
                "main::JsonTryText->Store": 396852,
                "main::Jump->Jump": 200000,
                "main::Jump->Load": 198246,
                "main::JumpIfFalse->Const": 209580,
                "main::JumpIfFalse->JsonObject": 3619,
                "main::JumpIfFalse->Load": 593716,
                "main::Length->Less": 156,
                "main::Less->Jump": 2,
                "main::Less->JumpIfFalse": 196395,
                "main::Load->Call": 200950,
                "main::Load->Const": 3149959,
                "main::Load->GetField": 997624,
                "main::Load->Index": 392910,
                "main::Load->IsOk": 1188990,
                "main::Load->IsSome": 200948,
                "main::Load->JsonInt": 1,
                "main::Load->JsonPushLocal": 3759,
                "main::Load->JsonSetLocal": 2,
                "main::Load->JsonStringify": 1,
                "main::Load->JsonText": 2710,
                "main::Load->JumpIfFalse": 1,
                "main::Load->Length": 156,
                "main::Load->Load": 1571353,
                "main::Load->MapHas": 392762,
                "main::Load->MapKeys": 6,
                "main::Load->MapSet": 392762,
                "main::Load->Not": 400949,
                "main::Load->Store": 196241,
                "main::Load->TextChars": 196381,
                "main::Load->TimeFormatUtc": 196381,
                "main::Load->Unwrap": 2172995,
                "main::MakeRecord->Store": 200000,
                "main::MakeTypedMap->Store": 196383,
                "main::MapHas->JumpIfFalse": 392762,
                "main::MapKeys->Store": 6,
                "main::MapSet->Store": 392762,
                "main::Not->JumpIfFalse": 1990887,
                "main::NotEqual->JumpIfFalse": 397329,
                "main::Store->Const": 600155,
                "main::Store->JsonArray": 1,
                "main::Store->JsonObject": 140,
                "main::Store->Jump": 596384,
                "main::Store->Load": 3758528,
                "main::Store->MakeTypedMap": 196382,
                "main::TextChars->Store": 196381,
                "main::TextCollapseWhitespace->Const": 200947,
                "main::TimeFormatUtc->Store": 196381,
                "main::TimeParseTimestamp->Store": 196381,
                "main::Unwrap->Const": 392622,
                "main::Unwrap->Greater": 196241,
                "main::Unwrap->JsonTryInt": 588723,
                "main::Unwrap->JsonTryText": 396852,
                "main::Unwrap->Less": 196241,
                "main::Unwrap->Store": 993084,
                "main::Unwrap->TimeParseTimestamp": 196381,
                "main::WriteTextAtomic->Store": 1
              },
              "profile_detail": "detailed",
              "record_charges": {
                "estimated_bytes": 36922163,
                "events": 400947
              },
              "scope": "latest guest invocation",
              "vm_interpreter": {
                "frames": 1004741,
                "instructions": 52193169,
                "instructions_are_sampled": false,
                "list_index_load_fast_paths": 0,
                "record_field_load_fast_paths": 1600465,
                "result_option_probe_fast_paths": 1992781,
                "result_option_unwrap_fast_paths": 2773316,
                "sample_rate_frames": 1024,
                "sampled_frames": 979,
                "sampled_functions": {
                  "jsonl_next": {
                    "sampled_child_nanoseconds": 79409,
                    "sampled_frames": 190,
                    "sampled_guest_nanoseconds": 1027140,
                    "sampled_host_nanoseconds": 125202,
                    "sampled_instructions": 6840,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 1231751
                  },
                  "jsonl_no_error": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 202,
                    "sampled_guest_nanoseconds": 23796,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 404,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 23796
                  },
                  "jsonl_no_value": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 2,
                    "sampled_guest_nanoseconds": 250,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 4,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 250
                  },
                  "jsonl_some_error": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 4,
                    "sampled_guest_nanoseconds": 749,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 12,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 749
                  },
                  "jsonl_some_line": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 187,
                    "sampled_guest_nanoseconds": 39378,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 561,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 39378
                  },
                  "jsonl_some_value": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 206,
                    "sampled_guest_nanoseconds": 32090,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 618,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 32090
                  },
                  "main": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 188,
                    "sampled_guest_nanoseconds": 5489750,
                    "sampled_host_nanoseconds": 441797,
                    "sampled_instructions": 40638,
                    "sampled_loop_backedges": 189,
                    "sampled_wall_nanoseconds": 5931547
                  }
                },
                "sampled_instructions": 49077,
                "sampled_nanoseconds": 7259561,
                "sampled_wall_time_is_inclusive_of_host_operations": true,
                "text_chars_concat_fast_paths": 196381
              }
            },
            "runtime_profile_enabled": true
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 6.91388637496857,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 682250,
              "cli_to_report_excluding_process_startup_ns": 6907984833,
              "compiler_pipeline": {
                "compile_program_ns": 324833,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 6,
                    "import_resolution_ns": 3292,
                    "parse_ns": 177333,
                    "path_validation_ns": 19000,
                    "source_bytes": 8820,
                    "source_name": "main.gu",
                    "source_read_ns": 15542
                  },
                  {
                    "import_count": 1,
                    "import_resolution_ns": 375,
                    "parse_ns": 51583,
                    "path_validation_ns": 19000,
                    "source_bytes": 1883,
                    "source_name": "std:fs",
                    "source_read_ns": 15916
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 5250,
                    "path_validation_ns": 14833,
                    "source_bytes": 271,
                    "source_name": "std:http_types",
                    "source_read_ns": 14125
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 24500,
                    "path_validation_ns": 13083,
                    "source_bytes": 1025,
                    "source_name": "std:json",
                    "source_read_ns": 13500
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 418,
                    "parse_ns": 31459,
                    "path_validation_ns": 13416,
                    "source_bytes": 1378,
                    "source_name": "std:jsonl",
                    "source_read_ns": 16959
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 376,
                    "parse_ns": 26125,
                    "path_validation_ns": 11833,
                    "source_bytes": 1276,
                    "source_name": "std:text",
                    "source_read_ns": 15208
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 24417,
                    "path_validation_ns": 14084,
                    "source_bytes": 1585,
                    "source_name": "std:time",
                    "source_read_ns": 16208
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 625,
                    "parse_ns": 31458,
                    "path_validation_ns": 14833,
                    "source_bytes": 1116,
                    "source_name": "std:types",
                    "source_read_ns": 14458
                  },
                  {
                    "import_count": 1,
                    "import_resolution_ns": 166,
                    "parse_ns": 6042,
                    "path_validation_ns": 13000,
                    "source_bytes": 337,
                    "source_name": "std:unicode",
                    "source_read_ns": 13250
                  }
                ],
                "rust_compiler_compile_ns": 1237750
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 10875,
                "functions": [
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 338958,
                    "lowering_nanoseconds": 67666,
                    "name": "fs_open_lines",
                    "verification_nanoseconds": 39792
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 218,
                    "define_nanoseconds": 205291,
                    "lowering_nanoseconds": 26333,
                    "name": "fs_close_reader",
                    "verification_nanoseconds": 21542
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 249375,
                    "lowering_nanoseconds": 27292,
                    "name": "jsonl_open",
                    "verification_nanoseconds": 25041
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 170959,
                    "lowering_nanoseconds": 23667,
                    "name": "jsonl_no_line",
                    "verification_nanoseconds": 20084
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 153500,
                    "lowering_nanoseconds": 20250,
                    "name": "jsonl_no_value",
                    "verification_nanoseconds": 18708
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 2,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 200,
                    "define_nanoseconds": 144625,
                    "lowering_nanoseconds": 18541,
                    "name": "jsonl_no_error",
                    "verification_nanoseconds": 18542
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 210,
                    "define_nanoseconds": 178625,
                    "lowering_nanoseconds": 22416,
                    "name": "jsonl_some_line",
                    "verification_nanoseconds": 20042
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 14,
                    "cranelift_ir_instructions": 203,
                    "define_nanoseconds": 153292,
                    "lowering_nanoseconds": 20292,
                    "name": "jsonl_some_value",
                    "verification_nanoseconds": 19041
                  },
                  {
                    "bytecode_blocks": 1,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 15,
                    "cranelift_ir_instructions": 209,
                    "define_nanoseconds": 165500,
                    "lowering_nanoseconds": 20500,
                    "name": "jsonl_some_error",
                    "verification_nanoseconds": 20292
                  },
                  {
                    "bytecode_blocks": 17,
                    "bytecode_instructions": 58,
                    "cranelift_ir_blocks": 106,
                    "cranelift_ir_instructions": 1689,
                    "define_nanoseconds": 1924334,
                    "lowering_nanoseconds": 136000,
                    "name": "jsonl_next",
                    "verification_nanoseconds": 163791
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 3,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 253,
                    "define_nanoseconds": 247041,
                    "lowering_nanoseconds": 27875,
                    "name": "jsonl_close",
                    "verification_nanoseconds": 27125
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 212: Add",
                    "name": "main",
                    "reason": "the VM appends to a text local in place; native handles can be shared, so native code would copy the whole text on every append",
                    "reason_code": "text_append_to_local"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: ReadText",
                    "name": "fs_read_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Exists)",
                    "name": "fs_exists",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Kind)",
                    "name": "fs_kind",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Size)",
                    "name": "fs_size",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ModifiedMs)",
                    "name": "fs_modified_ms",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(ListDir)",
                    "name": "fs_list_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(MakeDir)",
                    "name": "fs_make_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(Remove)",
                    "name": "fs_remove",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(RemoveAll)",
                    "name": "fs_remove_all",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Rename)",
                    "name": "fs_rename",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Fs(Copy)",
                    "name": "fs_copy",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempDir)",
                    "name": "fs_temp_dir",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: Fs(TempFile)",
                    "name": "fs_temp_file",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_null",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_real",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                    "name": "today_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                    "name": "parse_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                    "name": "format_utc_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                    "name": "resolve_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                    "name": "time_zone_data_version",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetText",
                    "name": "json_get_text_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryGetInt",
                    "name": "json_get_int_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: JsonTryIndex",
                    "name": "json_index_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 3: JsonStringifyPairs",
                    "name": "json_stringify_pairs",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryBool",
                    "name": "json_bool_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: JsonTryFloat",
                    "name": "json_float_safe",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_scalar",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_bytes",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": null,
                    "name": "text_split",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseInt",
                    "name": "text_parse_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                    "name": "text_parse_decimal",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": "unicode_casefold",
                    "blocking_instruction": "Call at bytecode instruction 1",
                    "name": "text_casefold",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": "unicode_normalize",
                    "blocking_instruction": "Call at bytecode instruction 2",
                    "name": "text_normalize",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                    "name": "unicode_casefold",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TextNormalize",
                    "name": "unicode_normalize",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 6905633417,
              "source_compile_or_cache_ns": 1333166
            },
            "runtime_profile": {
              "dynamic_guest_conditional_branch_executions": 4173319,
              "estimated_guest_allocation_budget_charges": {
                "estimated_gross_bytes": 812049492,
                "estimated_net_bytes": 812049492,
                "estimated_refunded_bytes": 0,
                "successful_events": 13695837
              },
              "function_call_counts": {
                "jsonl_close": 1,
                "jsonl_next": 200948,
                "jsonl_no_error": 198426,
                "jsonl_no_line": 1,
                "jsonl_no_value": 2521,
                "jsonl_open": 1,
                "jsonl_some_error": 2521,
                "jsonl_some_line": 200947,
                "jsonl_some_value": 198426
              },
              "function_loop_backedge_counts": {
                "main": 201095
              },
              "host_operations": {
                "counts": {
                  "Args": 1,
                  "FileClose": 1,
                  "FileNextLine": 200948,
                  "FileOpenLines": 1,
                  "JsonArray": 2,
                  "JsonGet": 420,
                  "JsonInt": 202151,
                  "JsonObject": 3900,
                  "JsonParse": 200947,
                  "JsonPushLocal": 3759,
                  "JsonSetLocal": 205283,
                  "JsonStringify": 1,
                  "JsonText": 2710,
                  "JsonTryGet": 985575,
                  "JsonTryInt": 588723,
                  "JsonTryText": 396852,
                  "TextCollapseWhitespace": 200947,
                  "TimeFormatUtc": 196381,
                  "TimeParseTimestamp": 196381,
                  "WriteTextAtomic": 1
                },
                "inclusive_nanoseconds": {
                  "Args": 6292,
                  "FileClose": 14583,
                  "FileNextLine": 29170664,
                  "FileOpenLines": 71666,
                  "JsonArray": 1292,
                  "JsonGet": 17951,
                  "JsonInt": 20843075,
                  "JsonObject": 195341,
                  "JsonParse": 71870313,
                  "JsonPushLocal": 210110,
                  "JsonSetLocal": 27040215,
                  "JsonStringify": 475959,
                  "JsonText": 217216,
                  "JsonTryGet": 44391268,
                  "JsonTryInt": 30462567,
                  "JsonTryText": 14725202,
                  "TextCollapseWhitespace": 13610216,
                  "TimeFormatUtc": 35990719,
                  "TimeParseTimestamp": 10090865,
                  "WriteTextAtomic": 7288125
                },
                "sample_rate_operations": 1,
                "timings_are_sampled": false
              },
              "json_phase_nanoseconds": {
                "parse_and_reserved_key_handling": 37686323,
                "post_parse_metrics_traversal": 16129059
              },
              "json_set": {
                "copy_on_write_copies": 196241,
                "estimated_copy_bytes": 94786273,
                "operations": 205283
              },
              "list_set": {
                "copy_on_write_copies": 0,
                "copy_size_histogram": {
                  "buckets": {
                    "0-8": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    },
                    "129+": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    },
                    "33-128": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    },
                    "9-32": {
                      "copies": 0,
                      "estimated_copy_bytes": 0
                    }
                  },
                  "unit": "elements"
                },
                "estimated_copy_bytes": 0,
                "in_place_updates": 0,
                "operations": 0
              },
              "map_record_update": {
                "copy_on_write_copies": 0,
                "estimated_map_copy_bytes": 0,
                "estimated_record_copy_bytes": 0,
                "in_place_updates": 0,
                "operations": 0,
                "reads": 0
              },
              "map_set": {
                "copy_on_write_copies": 0,
                "estimated_copy_bytes": 0,
                "in_place_updates": 392762,
                "operations": 392762
              },
              "metric_limits": {
                "allocation": "estimated guest-data budget charges, not host allocator calls",
                "branches": "executed guest conditional branches, not hardware branch-misprediction counts",
                "function_calls": "exact function call counts",
                "host_operation_time": "inclusive time at host-op boundary; nested parse/metrics timers overlap and must not be summed",
                "opcode_counts": "exact executed opcode counts",
                "opcode_transitions": "exact adjacent opcode transitions attributed to the current function",
                "vm_instruction_counts": "exact executed instruction count",
                "vm_sampled_time": "sampled wall time includes host calls and inline fast-forwarded guest children; sampled_functions subtracts both to estimate exclusive guest time; deterministic hash sampling targets one in 1024 frames and always includes the first frame; attribution only, not final benchmark timing"
              },
              "opcode_executions": {
                "Add": 1967441,
                "Args": 1,
                "Call": 803792,
                "Const": 4753063,
                "Equal": 196386,
                "FileNextLine": 200948,
                "GetError": 2521,
                "GetField": 1600465,
                "Greater": 196241,
                "Index": 2356722,
                "IsOk": 1590885,
                "IsSome": 601896,
                "JsonArray": 2,
                "JsonGet": 420,
                "JsonInt": 202151,
                "JsonObject": 3900,
                "JsonParse": 200947,
                "JsonPushLocal": 3759,
                "JsonSetLocal": 205283,
                "JsonStringify": 1,
                "JsonText": 2710,
                "JsonTryGet": 985575,
                "JsonTryInt": 588723,
                "JsonTryText": 396852,
                "Jump": 806915,
                "JumpIfFalse": 4173319,
                "Length": 156,
                "Less": 196397,
                "Load": 14069209,
                "MakeNone": 200948,
                "MakeOk": 200948,
                "MakeRecord": 400947,
                "MakeSome": 401894,
                "MakeTypedMap": 196383,
                "MapHas": 392762,
                "MapKeys": 6,
                "MapSet": 392762,
                "Not": 2392783,
                "NotEqual": 397329,
                "Return": 803791,
                "Store": 5955380,
                "TextChars": 196381,
                "TextCollapseWhitespace": 200947,
                "TimeFormatUtc": 196381,
                "TimeParseTimestamp": 196381,
                "Unwrap": 3560465,
                "WriteTextAtomic": 1
              },
              "opcode_transition_counts": {
                "jsonl_next::Call->Call": 198426,
                "jsonl_next::Call->Load": 2521,
                "jsonl_next::Call->MakeOk": 200948,
                "jsonl_next::Call->MakeRecord": 200947,
                "jsonl_next::FileNextLine->Store": 200948,
                "jsonl_next::GetError->Call": 2521,
                "jsonl_next::GetField->Call": 2521,
                "jsonl_next::GetField->JsonParse": 200947,
                "jsonl_next::GetField->Load": 399373,
                "jsonl_next::IsOk->JumpIfFalse": 200947,
                "jsonl_next::IsOk->Not": 200948,
                "jsonl_next::IsSome->Not": 200948,
                "jsonl_next::JsonParse->Store": 200947,
                "jsonl_next::JumpIfFalse->Call": 1,
                "jsonl_next::JumpIfFalse->Load": 198426,
                "jsonl_next::Load->FileNextLine": 200948,
                "jsonl_next::Load->GetError": 2521,
                "jsonl_next::Load->GetField": 602841,
                "jsonl_next::Load->IsOk": 401895,
                "jsonl_next::Load->IsSome": 200948,
                "jsonl_next::Load->Unwrap": 600321,
                "jsonl_next::MakeOk->Return": 200948,
                "jsonl_next::MakeRecord->Call": 200947,
                "jsonl_next::Not->JumpIfFalse": 401896,
                "jsonl_next::Store->Load": 803790,
                "jsonl_next::Unwrap->Call": 198426,
                "jsonl_next::Unwrap->Store": 401895,
                "main::Add->Index": 2,
                "main::Add->JsonInt": 196241,
                "main::Add->Load": 1571050,
                "main::Add->Store": 200147,
                "main::Add->WriteTextAtomic": 1,
                "main::Args->Store": 1,
                "main::Const->Add": 200012,
                "main::Const->Const": 140,
                "main::Const->Equal": 196386,
                "main::Const->Index": 1963810,
                "main::Const->JsonGet": 420,
                "main::Const->JsonInt": 140,
                "main::Const->JsonTryGet": 985575,
                "main::Const->Jump": 4090,
                "main::Const->JumpIfFalse": 196383,
                "main::Const->Load": 205143,
                "main::Const->MakeRecord": 200000,
                "main::Const->NotEqual": 397329,
                "main::Const->Return": 1,
                "main::Const->Store": 403634,
                "main::Equal->JumpIfFalse": 196386,
                "main::GetField->IsSome": 200000,
                "main::GetField->JsonInt": 5769,
                "main::GetField->Load": 392482,
                "main::GetField->TextCollapseWhitespace": 200947,
                "main::GetField->Unwrap": 198426,
                "main::Greater->JumpIfFalse": 196241,
                "main::Index->Add": 1767429,
                "main::Index->Const": 3,
                "main::Index->Load": 196381,
                "main::Index->Store": 392909,
                "main::IsOk->Not": 1188990,
                "main::IsSome->Not": 400948,
                "main::JsonArray->Store": 2,
                "main::JsonGet->JsonSetLocal": 420,
                "main::JsonInt->JsonSetLocal": 202151,
                "main::JsonObject->Store": 3900,
                "main::JsonPushLocal->Load": 3759,
                "main::JsonSetLocal->Const": 3272,
                "main::JsonSetLocal->Jump": 1870,
                "main::JsonSetLocal->Load": 200141,
                "main::JsonStringify->Const": 1,
                "main::JsonText->JsonSetLocal": 2710,
                "main::JsonTryGet->Store": 396852,
                "main::JsonTryGet->Unwrap": 588723,
                "main::JsonTryInt->Store": 588723,
                "main::JsonTryText->Store": 396852,
                "main::Jump->Jump": 200000,
                "main::Jump->Load": 198246,
                "main::JumpIfFalse->Const": 209580,
                "main::JumpIfFalse->JsonObject": 3619,
                "main::JumpIfFalse->Load": 593716,
                "main::Length->Less": 156,
                "main::Less->Jump": 2,
                "main::Less->JumpIfFalse": 196395,
                "main::Load->Call": 200950,
                "main::Load->Const": 3149959,
                "main::Load->GetField": 997624,
                "main::Load->Index": 392910,
                "main::Load->IsOk": 1188990,
                "main::Load->IsSome": 200948,
                "main::Load->JsonInt": 1,
                "main::Load->JsonPushLocal": 3759,
                "main::Load->JsonSetLocal": 2,
                "main::Load->JsonStringify": 1,
                "main::Load->JsonText": 2710,
                "main::Load->JumpIfFalse": 1,
                "main::Load->Length": 156,
                "main::Load->Load": 1571353,
                "main::Load->MapHas": 392762,
                "main::Load->MapKeys": 6,
                "main::Load->MapSet": 392762,
                "main::Load->Not": 400949,
                "main::Load->Store": 196241,
                "main::Load->TextChars": 196381,
                "main::Load->TimeFormatUtc": 196381,
                "main::Load->Unwrap": 2172995,
                "main::MakeRecord->Store": 200000,
                "main::MakeTypedMap->Store": 196383,
                "main::MapHas->JumpIfFalse": 392762,
                "main::MapKeys->Store": 6,
                "main::MapSet->Store": 392762,
                "main::Not->JumpIfFalse": 1990887,
                "main::NotEqual->JumpIfFalse": 397329,
                "main::Store->Const": 600155,
                "main::Store->JsonArray": 1,
                "main::Store->JsonObject": 140,
                "main::Store->Jump": 596384,
                "main::Store->Load": 3758528,
                "main::Store->MakeTypedMap": 196382,
                "main::TextChars->Store": 196381,
                "main::TextCollapseWhitespace->Const": 200947,
                "main::TimeFormatUtc->Store": 196381,
                "main::TimeParseTimestamp->Store": 196381,
                "main::Unwrap->Const": 392622,
                "main::Unwrap->Greater": 196241,
                "main::Unwrap->JsonTryInt": 588723,
                "main::Unwrap->JsonTryText": 396852,
                "main::Unwrap->Less": 196241,
                "main::Unwrap->Store": 993084,
                "main::Unwrap->TimeParseTimestamp": 196381,
                "main::WriteTextAtomic->Store": 1
              },
              "profile_detail": "detailed",
              "record_charges": {
                "estimated_bytes": 36922163,
                "events": 400947
              },
              "scope": "latest guest invocation",
              "vm_interpreter": {
                "frames": 1004741,
                "instructions": 52193169,
                "instructions_are_sampled": false,
                "list_index_load_fast_paths": 0,
                "record_field_load_fast_paths": 1600465,
                "result_option_probe_fast_paths": 1992781,
                "result_option_unwrap_fast_paths": 2773316,
                "sample_rate_frames": 1024,
                "sampled_frames": 979,
                "sampled_functions": {
                  "jsonl_next": {
                    "sampled_child_nanoseconds": 79007,
                    "sampled_frames": 190,
                    "sampled_guest_nanoseconds": 1024373,
                    "sampled_host_nanoseconds": 128757,
                    "sampled_instructions": 6840,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 1232137
                  },
                  "jsonl_no_error": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 202,
                    "sampled_guest_nanoseconds": 25491,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 404,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 25491
                  },
                  "jsonl_no_value": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 2,
                    "sampled_guest_nanoseconds": 334,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 4,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 334
                  },
                  "jsonl_some_error": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 4,
                    "sampled_guest_nanoseconds": 791,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 12,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 791
                  },
                  "jsonl_some_line": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 187,
                    "sampled_guest_nanoseconds": 40959,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 561,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 40959
                  },
                  "jsonl_some_value": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 206,
                    "sampled_guest_nanoseconds": 31706,
                    "sampled_host_nanoseconds": 0,
                    "sampled_instructions": 618,
                    "sampled_loop_backedges": 0,
                    "sampled_wall_nanoseconds": 31706
                  },
                  "main": {
                    "sampled_child_nanoseconds": 0,
                    "sampled_frames": 188,
                    "sampled_guest_nanoseconds": 5565056,
                    "sampled_host_nanoseconds": 456319,
                    "sampled_instructions": 40638,
                    "sampled_loop_backedges": 189,
                    "sampled_wall_nanoseconds": 6021375
                  }
                },
                "sampled_instructions": 49077,
                "sampled_nanoseconds": 7352793,
                "sampled_wall_time_is_inclusive_of_host_operations": true,
                "text_chars_concat_fast_paths": 196381
              }
            },
            "runtime_profile_enabled": true
          }
        },
        "python_data": {
          "median_seconds": 0.7696260419907048,
          "p95_seconds_nearest_rank": 0.7800819160183892,
          "samples_seconds": [
            0.766703708039131,
            0.7662520000012591,
            0.7800819160183892,
            0.7678531249985099,
            0.7724030410172418,
            0.7696596669848077,
            0.7750414999900386,
            0.7649751249700785,
            0.769592416996602,
            0.7754571250407025,
            0.7718869170057587,
            0.7710241669556126,
            0.7660978329950012,
            0.7631027500028722,
            0.7645344579941593,
            0.7700259999837726
          ]
        },
        "python_sqlite_native": {
          "median_seconds": 0.9612660620186944,
          "p95_seconds_nearest_rank": 0.9685612919856794,
          "samples_seconds": [
            0.9656293329899199,
            0.9660445839981548,
            0.96776858397061,
            0.9605632080347277,
            0.9605612920131534,
            0.9648440000019036,
            0.9587905830121599,
            0.9612142080441117,
            0.9653727500117384,
            0.961317915993277,
            0.9685612919856794,
            0.9573591670487076,
            0.9609730420052074,
            0.956489333009813,
            0.9666642089723609,
            0.9559072090196423
          ]
        },
        "repetitions_per_process": 1,
        "rows": 200000,
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ]
        },
        "timed_trials_per_candidate": 16
      },
      "mandelbrot-image": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by prior correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact": {
            "ci95_percentile": [
              0.2625182962391606,
              0.27236988017312613
            ],
            "median_ratio": 0.2683590378768674,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source": {
            "ci95_percentile": [
              0.28757890720870277,
              0.29938055206606995
            ],
            "median_ratio": 0.2928120269588148,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached": {
            "ci95_percentile": [
              0.2660334726673165,
              0.2872683097302842
            ],
            "median_ratio": 0.2792299438991331,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_warm_artifact": {
            "ci95_percentile": [
              0.1911287383729559,
              0.19800930353872245
            ],
            "median_ratio": 0.19331032166525633,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "guion_artifact": {
          "median_seconds": 0.010097999998833984,
          "p95_seconds_nearest_rank": 0.012276833993382752,
          "samples_seconds": [
            0.010227165999822319,
            0.010153540992178023,
            0.009413167019374669,
            0.010095250036101788,
            0.012276833993382752,
            0.010274500004015863,
            0.00973158300621435,
            0.010097999998833984,
            0.010025832976680249,
            0.009994874999392778,
            0.01029554201522842,
            0.00977983302436769,
            0.010764957987703383,
            0.00997216603718698,
            0.01012545800767839
          ]
        },
        "guion_source": {
          "median_seconds": 0.01107295899419114,
          "p95_seconds_nearest_rank": 0.011778791958931834,
          "samples_seconds": [
            0.010564666998106986,
            0.011355915979947895,
            0.011435499996878207,
            0.010557625035289675,
            0.011778791958931834,
            0.011537292040884495,
            0.011180417030118406,
            0.01107295899419114,
            0.010724957974161953,
            0.010366209025960416,
            0.011109999963082373,
            0.010521624993998557,
            0.01158808299805969,
            0.011051375011447817,
            0.011055624985601753
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.010540916002355516,
          "p95_seconds_nearest_rank": 0.011217541003134102,
          "samples_seconds": [
            0.011191374971531332,
            0.010540916002355516,
            0.009776165999937803,
            0.010560958995483816,
            0.01048470800742507,
            0.009999750007409602,
            0.011217541003134102,
            0.010352334007620811,
            0.010869166988413781,
            0.009991750004701316,
            0.010868915996979922,
            0.010835083026904613,
            0.010630832985043526,
            0.01033241703407839,
            0.009895625000353903
          ]
        },
        "guion_warm_artifact": {
          "median_seconds": 0.003908799996133893,
          "p95_seconds_nearest_rank": 0.004218074993696063,
          "samples_seconds": [
            0.004090724990237504,
            0.00387319999281317,
            0.0038066749926656484,
            0.003986808401532471,
            0.0038926666020415723,
            0.003949241794180125,
            0.0038525583921000363,
            0.0038005833979696036,
            0.003870391601230949,
            0.003966274997219443,
            0.004008383199106902,
            0.003908799996133893,
            0.004218074993696063,
            0.003842025005724281,
            0.003996158402878791
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 19,
            "bytecode_instructions": 133,
            "calls": 6146,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 7209,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 49,
                  "cranelift_ir_blocks": 34,
                  "cranelift_ir_instructions": 425,
                  "define_nanoseconds": 692250,
                  "lowering_nanoseconds": 115458,
                  "name": "escape_steps",
                  "verification_nanoseconds": 65917
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 72,
                  "cranelift_ir_blocks": 47,
                  "cranelift_ir_instructions": 761,
                  "define_nanoseconds": 1034417,
                  "lowering_nanoseconds": 120000,
                  "name": "calculate",
                  "verification_nanoseconds": 78958
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 12,
                  "cranelift_ir_blocks": 20,
                  "cranelift_ir_instructions": 286,
                  "define_nanoseconds": 316875,
                  "lowering_nanoseconds": 35167,
                  "name": "main",
                  "verification_nanoseconds": 31292
                }
              ],
              "rejected_functions": []
            },
            "compiled_functions": [
              "escape_steps",
              "calculate",
              "main"
            ],
            "cranelift_ir_blocks": 101,
            "cranelift_ir_instructions": 1472,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 19,
            "bytecode_instructions": 133,
            "calls": 6146,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 7625,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 49,
                  "cranelift_ir_blocks": 34,
                  "cranelift_ir_instructions": 425,
                  "define_nanoseconds": 689166,
                  "lowering_nanoseconds": 113250,
                  "name": "escape_steps",
                  "verification_nanoseconds": 66042
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 72,
                  "cranelift_ir_blocks": 47,
                  "cranelift_ir_instructions": 761,
                  "define_nanoseconds": 1044917,
                  "lowering_nanoseconds": 115459,
                  "name": "calculate",
                  "verification_nanoseconds": 78417
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 12,
                  "cranelift_ir_blocks": 20,
                  "cranelift_ir_instructions": 286,
                  "define_nanoseconds": 312667,
                  "lowering_nanoseconds": 33875,
                  "name": "main",
                  "verification_nanoseconds": 29958
                }
              ],
              "rejected_functions": []
            },
            "compiled_functions": [
              "escape_steps",
              "calculate",
              "main"
            ],
            "cranelift_ir_blocks": 101,
            "cranelift_ir_instructions": 1472,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 19,
            "bytecode_instructions": 133,
            "calls": 6146,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 8167,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 49,
                  "cranelift_ir_blocks": 34,
                  "cranelift_ir_instructions": 425,
                  "define_nanoseconds": 649208,
                  "lowering_nanoseconds": 110209,
                  "name": "escape_steps",
                  "verification_nanoseconds": 62042
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 72,
                  "cranelift_ir_blocks": 47,
                  "cranelift_ir_instructions": 761,
                  "define_nanoseconds": 1025375,
                  "lowering_nanoseconds": 122083,
                  "name": "calculate",
                  "verification_nanoseconds": 78333
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 12,
                  "cranelift_ir_blocks": 20,
                  "cranelift_ir_instructions": 286,
                  "define_nanoseconds": 318333,
                  "lowering_nanoseconds": 32334,
                  "name": "main",
                  "verification_nanoseconds": 31250
                }
              ],
              "rejected_functions": []
            },
            "compiled_functions": [
              "escape_steps",
              "calculate",
              "main"
            ],
            "cranelift_ir_blocks": 101,
            "cranelift_ir_instructions": 1472,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_warm_artifact": {
            "bytecode_blocks": 27,
            "bytecode_instructions": 155,
            "calls": 30731,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 7542,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 49,
                  "cranelift_ir_blocks": 34,
                  "cranelift_ir_instructions": 425,
                  "define_nanoseconds": 698000,
                  "lowering_nanoseconds": 120208,
                  "name": "escape_steps",
                  "verification_nanoseconds": 65833
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 72,
                  "cranelift_ir_blocks": 47,
                  "cranelift_ir_instructions": 761,
                  "define_nanoseconds": 1042041,
                  "lowering_nanoseconds": 117416,
                  "name": "calculate",
                  "verification_nanoseconds": 79084
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 12,
                  "cranelift_ir_blocks": 20,
                  "cranelift_ir_instructions": 286,
                  "define_nanoseconds": 314708,
                  "lowering_nanoseconds": 34333,
                  "name": "benchmark_once",
                  "verification_nanoseconds": 31416
                },
                {
                  "bytecode_blocks": 8,
                  "bytecode_instructions": 22,
                  "cranelift_ir_blocks": 29,
                  "cranelift_ir_instructions": 374,
                  "define_nanoseconds": 384500,
                  "lowering_nanoseconds": 41041,
                  "name": "main",
                  "verification_nanoseconds": 39292
                }
              ],
              "rejected_functions": []
            },
            "compiled_functions": [
              "escape_steps",
              "calculate",
              "benchmark_once",
              "main"
            ],
            "cranelift_ir_blocks": 130,
            "cranelift_ir_instructions": 1846,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "guion_warm_artifact",
            "python_warm",
            "guion_source_uncached",
            "python_reference",
            "guion_artifact",
            "guion_source"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "guion_warm_artifact",
            "guion_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "python_warm",
            "guion_source",
            "guion_warm_artifact"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact"
          ],
          [
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached"
          ],
          [
            "python_reference",
            "guion_source",
            "guion_warm_artifact",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_warm_artifact",
            "guion_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "python_reference",
            "guion_artifact",
            "guion_warm_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm"
          ],
          [
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm",
            "guion_source",
            "guion_source_uncached"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 0.010113625030498952,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 60167,
              "cli_to_report_excluding_process_startup_ns": 5240292,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 18291,
              "native_compilation": {
                "finalize_nanoseconds": 7250,
                "functions": [
                  {
                    "bytecode_blocks": 7,
                    "bytecode_instructions": 49,
                    "cranelift_ir_blocks": 34,
                    "cranelift_ir_instructions": 425,
                    "define_nanoseconds": 684667,
                    "lowering_nanoseconds": 109209,
                    "name": "escape_steps",
                    "verification_nanoseconds": 65875
                  },
                  {
                    "bytecode_blocks": 10,
                    "bytecode_instructions": 72,
                    "cranelift_ir_blocks": 47,
                    "cranelift_ir_instructions": 761,
                    "define_nanoseconds": 1029458,
                    "lowering_nanoseconds": 118000,
                    "name": "calculate",
                    "verification_nanoseconds": 78708
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 12,
                    "cranelift_ir_blocks": 20,
                    "cranelift_ir_instructions": 286,
                    "define_nanoseconds": 316542,
                    "lowering_nanoseconds": 34917,
                    "name": "main",
                    "verification_nanoseconds": 31375
                  }
                ],
                "rejected_functions": []
              },
              "program_execute_ns": 5008542,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile_enabled": false
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 0.009948374994564801,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 49875,
              "cli_to_report_excluding_process_startup_ns": 5504083,
              "compiler_pipeline": {
                "compile_program_ns": 157959,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 48041,
                    "path_validation_ns": 17750,
                    "source_bytes": 1060,
                    "source_name": "main.gu",
                    "source_read_ns": 14875
                  }
                ],
                "rust_compiler_compile_ns": 295834
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 6375,
                "functions": [
                  {
                    "bytecode_blocks": 7,
                    "bytecode_instructions": 49,
                    "cranelift_ir_blocks": 34,
                    "cranelift_ir_instructions": 425,
                    "define_nanoseconds": 655709,
                    "lowering_nanoseconds": 100792,
                    "name": "escape_steps",
                    "verification_nanoseconds": 59250
                  },
                  {
                    "bytecode_blocks": 10,
                    "bytecode_instructions": 72,
                    "cranelift_ir_blocks": 47,
                    "cranelift_ir_instructions": 761,
                    "define_nanoseconds": 1026458,
                    "lowering_nanoseconds": 116875,
                    "name": "calculate",
                    "verification_nanoseconds": 79042
                  },
                  {
                    "bytecode_blocks": 2,
                    "bytecode_instructions": 12,
                    "cranelift_ir_blocks": 20,
                    "cranelift_ir_instructions": 286,
                    "define_nanoseconds": 313208,
                    "lowering_nanoseconds": 32333,
                    "name": "main",
                    "verification_nanoseconds": 30208
                  }
                ],
                "rejected_functions": []
              },
              "program_execute_ns": 4965875,
              "source_compile_or_cache_ns": 372042
            },
            "runtime_profile_enabled": false
          }
        },
        "python_reference": {
          "median_seconds": 0.037367124983575195,
          "p95_seconds_nearest_rank": 0.0404647919931449,
          "samples_seconds": [
            0.03895791701506823,
            0.03793137497268617,
            0.03723883396014571,
            0.037367124983575195,
            0.0404647919931449,
            0.03711995796766132,
            0.03818291600327939,
            0.037074583990033716,
            0.037244000006467104,
            0.0390339579898864,
            0.03863287495914847,
            0.037300625001080334,
            0.03765708295395598,
            0.03715979203116149,
            0.03719691699370742
          ]
        },
        "python_warm": {
          "median_seconds": 0.020125724992249162,
          "p95_seconds_nearest_rank": 0.02087629180168733,
          "samples_seconds": [
            0.02087629180168733,
            0.02026487500406802,
            0.02038175839697942,
            0.020036458398681133,
            0.020687441609334202,
            0.02003880840493366,
            0.020227208198048175,
            0.02007440000306815,
            0.02002164999721572,
            0.020125724992249162,
            0.02024340840289369,
            0.02032427500234917,
            0.019891725003253667,
            0.020071274996735156,
            0.020029208401683717
          ]
        },
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "miss",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ],
          "guion_warm_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ]
        }
      },
      "nbody-numeric": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by prior correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact": {
            "ci95_percentile": [
              0.14417405417976512,
              0.1458037043839728
            ],
            "median_ratio": 0.14479400200299747,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source": {
            "ci95_percentile": [
              0.1478712256887773,
              0.15334585184017732
            ],
            "median_ratio": 0.1494301676926493,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached": {
            "ci95_percentile": [
              0.14531746845283622,
              0.14732367335259508
            ],
            "median_ratio": 0.14611631998679925,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_warm_artifact": {
            "ci95_percentile": [
              0.09612023394383695,
              0.09691129808128282
            ],
            "median_ratio": 0.09642455563548198,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "guion_artifact": {
          "median_seconds": 0.02816808398347348,
          "p95_seconds_nearest_rank": 0.02925554197281599,
          "samples_seconds": [
            0.02816808398347348,
            0.02905008301604539,
            0.02925554197281599,
            0.028441333968658,
            0.027978707978036255,
            0.028741042013280094,
            0.0282176670152694,
            0.028117624984588474,
            0.027772000001277775,
            0.028098917042370886,
            0.027749374974519014,
            0.02814362500794232,
            0.028188625001348555,
            0.028139500005636364,
            0.028189458011183888
          ]
        },
        "guion_source": {
          "median_seconds": 0.0290235829888843,
          "p95_seconds_nearest_rank": 0.030322042002808303,
          "samples_seconds": [
            0.02919500001007691,
            0.029807499959133565,
            0.030313124996609986,
            0.02872579195536673,
            0.029656499973498285,
            0.028831917035859078,
            0.028818459017202258,
            0.028856416989583522,
            0.028869542002212256,
            0.0290235829888843,
            0.030322042002808303,
            0.029142834013327956,
            0.029184042010456324,
            0.02880937501322478,
            0.02891645801719278
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.028511499986052513,
          "p95_seconds_nearest_rank": 0.02950583299389109,
          "samples_seconds": [
            0.028348541993182153,
            0.028579792007803917,
            0.02950583299389109,
            0.02838529198197648,
            0.028780416992958635,
            0.027931958029512316,
            0.028654207999352366,
            0.028513750003185123,
            0.028567458037286997,
            0.028206749993842095,
            0.028511499986052513,
            0.028421249997336417,
            0.0291320409742184,
            0.02831183298258111,
            0.028044666978530586
          ]
        },
        "guion_warm_artifact": {
          "median_seconds": 0.017383591597899796,
          "p95_seconds_nearest_rank": 0.018283700000029057,
          "samples_seconds": [
            0.017790891602635382,
            0.01778345840284601,
            0.018283700000029057,
            0.01747979159699753,
            0.017383591597899796,
            0.017360133200418203,
            0.017448133404832332,
            0.01737150000408292,
            0.017429191793780774,
            0.01736308339750394,
            0.017486266803462058,
            0.01735043339431286,
            0.017306808207649738,
            0.017314183397684247,
            0.017328700004145502
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 21,
            "bytecode_instructions": 541,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 15333,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 135,
                  "cranelift_ir_blocks": 76,
                  "cranelift_ir_instructions": 963,
                  "define_nanoseconds": 1693750,
                  "lowering_nanoseconds": 259083,
                  "name": "energy",
                  "verification_nanoseconds": 126708
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 224,
                  "cranelift_ir_blocks": 119,
                  "cranelift_ir_instructions": 1495,
                  "define_nanoseconds": 2257667,
                  "lowering_nanoseconds": 368083,
                  "name": "advance",
                  "verification_nanoseconds": 159708
                },
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 182,
                  "cranelift_ir_blocks": 68,
                  "cranelift_ir_instructions": 959,
                  "define_nanoseconds": 1278583,
                  "lowering_nanoseconds": 196375,
                  "name": "initial_system",
                  "verification_nanoseconds": 98542
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": "advance",
                  "blocking_instruction": "Call at bytecode instruction 8",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "compiled_functions": [
              "energy",
              "advance",
              "initial_system"
            ],
            "cranelift_ir_blocks": 263,
            "cranelift_ir_instructions": 3417,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 21,
            "bytecode_instructions": 541,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 11500,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 135,
                  "cranelift_ir_blocks": 76,
                  "cranelift_ir_instructions": 963,
                  "define_nanoseconds": 1600666,
                  "lowering_nanoseconds": 246125,
                  "name": "energy",
                  "verification_nanoseconds": 121834
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 224,
                  "cranelift_ir_blocks": 119,
                  "cranelift_ir_instructions": 1495,
                  "define_nanoseconds": 2231834,
                  "lowering_nanoseconds": 353000,
                  "name": "advance",
                  "verification_nanoseconds": 153250
                },
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 182,
                  "cranelift_ir_blocks": 68,
                  "cranelift_ir_instructions": 959,
                  "define_nanoseconds": 1282584,
                  "lowering_nanoseconds": 193541,
                  "name": "initial_system",
                  "verification_nanoseconds": 97417
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": "advance",
                  "blocking_instruction": "Call at bytecode instruction 8",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "compiled_functions": [
              "energy",
              "advance",
              "initial_system"
            ],
            "cranelift_ir_blocks": 263,
            "cranelift_ir_instructions": 3417,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 21,
            "bytecode_instructions": 541,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 19916,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 135,
                  "cranelift_ir_blocks": 76,
                  "cranelift_ir_instructions": 963,
                  "define_nanoseconds": 1594959,
                  "lowering_nanoseconds": 231000,
                  "name": "energy",
                  "verification_nanoseconds": 119084
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 224,
                  "cranelift_ir_blocks": 119,
                  "cranelift_ir_instructions": 1495,
                  "define_nanoseconds": 2269500,
                  "lowering_nanoseconds": 426000,
                  "name": "advance",
                  "verification_nanoseconds": 159917
                },
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 182,
                  "cranelift_ir_blocks": 68,
                  "cranelift_ir_instructions": 959,
                  "define_nanoseconds": 1297709,
                  "lowering_nanoseconds": 195583,
                  "name": "initial_system",
                  "verification_nanoseconds": 98334
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": "advance",
                  "blocking_instruction": "Call at bytecode instruction 8",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "compiled_functions": [
              "energy",
              "advance",
              "initial_system"
            ],
            "cranelift_ir_blocks": 263,
            "cranelift_ir_instructions": 3417,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_warm_artifact": {
            "bytecode_blocks": 21,
            "bytecode_instructions": 541,
            "calls": 20,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 13166,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 135,
                  "cranelift_ir_blocks": 76,
                  "cranelift_ir_instructions": 963,
                  "define_nanoseconds": 1565791,
                  "lowering_nanoseconds": 246750,
                  "name": "energy",
                  "verification_nanoseconds": 120625
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 224,
                  "cranelift_ir_blocks": 119,
                  "cranelift_ir_instructions": 1495,
                  "define_nanoseconds": 2205041,
                  "lowering_nanoseconds": 351125,
                  "name": "advance",
                  "verification_nanoseconds": 154125
                },
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 182,
                  "cranelift_ir_blocks": 68,
                  "cranelift_ir_instructions": 959,
                  "define_nanoseconds": 1284709,
                  "lowering_nanoseconds": 194500,
                  "name": "initial_system",
                  "verification_nanoseconds": 97375
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": "advance",
                  "blocking_instruction": "Call at bytecode instruction 8",
                  "name": "benchmark_once",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "benchmark_once",
                  "blocking_instruction": "Call at bytecode instruction 6",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "compiled_functions": [
              "energy",
              "advance",
              "initial_system"
            ],
            "cranelift_ir_blocks": 263,
            "cranelift_ir_instructions": 3417,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "guion_warm_artifact",
            "python_warm",
            "guion_source_uncached",
            "python_reference",
            "guion_artifact",
            "guion_source"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "guion_warm_artifact",
            "guion_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "python_warm",
            "guion_source",
            "guion_warm_artifact"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact"
          ],
          [
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached"
          ],
          [
            "python_reference",
            "guion_source",
            "guion_warm_artifact",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_warm_artifact",
            "guion_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "python_reference",
            "guion_artifact",
            "guion_warm_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm"
          ],
          [
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm",
            "guion_source",
            "guion_source_uncached"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 0.02765158301917836,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 265583,
              "cli_to_report_excluding_process_startup_ns": 22873875,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 30375,
              "native_compilation": {
                "finalize_nanoseconds": 11792,
                "functions": [
                  {
                    "bytecode_blocks": 7,
                    "bytecode_instructions": 135,
                    "cranelift_ir_blocks": 76,
                    "cranelift_ir_instructions": 963,
                    "define_nanoseconds": 1605458,
                    "lowering_nanoseconds": 246000,
                    "name": "energy",
                    "verification_nanoseconds": 119500
                  },
                  {
                    "bytecode_blocks": 10,
                    "bytecode_instructions": 224,
                    "cranelift_ir_blocks": 119,
                    "cranelift_ir_instructions": 1495,
                    "define_nanoseconds": 2206042,
                    "lowering_nanoseconds": 355291,
                    "name": "advance",
                    "verification_nanoseconds": 155042
                  },
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 182,
                    "cranelift_ir_blocks": 68,
                    "cranelift_ir_instructions": 959,
                    "define_nanoseconds": 1281750,
                    "lowering_nanoseconds": 193709,
                    "name": "initial_system",
                    "verification_nanoseconds": 97375
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": "advance",
                    "blocking_instruction": "Call at bytecode instruction 8",
                    "name": "main",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  }
                ]
              },
              "program_execute_ns": 22431375,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile_enabled": false
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 0.028303499973844737,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 258666,
              "cli_to_report_excluding_process_startup_ns": 23317292,
              "compiler_pipeline": {
                "compile_program_ns": 199458,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 133792,
                    "path_validation_ns": 17792,
                    "source_bytes": 4207,
                    "source_name": "main.gu",
                    "source_read_ns": 16291
                  }
                ],
                "rust_compiler_compile_ns": 448542
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 12792,
                "functions": [
                  {
                    "bytecode_blocks": 7,
                    "bytecode_instructions": 135,
                    "cranelift_ir_blocks": 76,
                    "cranelift_ir_instructions": 963,
                    "define_nanoseconds": 1551083,
                    "lowering_nanoseconds": 233792,
                    "name": "energy",
                    "verification_nanoseconds": 120042
                  },
                  {
                    "bytecode_blocks": 10,
                    "bytecode_instructions": 224,
                    "cranelift_ir_blocks": 119,
                    "cranelift_ir_instructions": 1495,
                    "define_nanoseconds": 2197083,
                    "lowering_nanoseconds": 346792,
                    "name": "advance",
                    "verification_nanoseconds": 156000
                  },
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 182,
                    "cranelift_ir_blocks": 68,
                    "cranelift_ir_instructions": 959,
                    "define_nanoseconds": 1280000,
                    "lowering_nanoseconds": 192167,
                    "name": "initial_system",
                    "verification_nanoseconds": 97416
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": "advance",
                    "blocking_instruction": "Call at bytecode instruction 8",
                    "name": "main",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  }
                ]
              },
              "program_execute_ns": 22388125,
              "source_compile_or_cache_ns": 532625
            },
            "runtime_profile_enabled": false
          }
        },
        "python_reference": {
          "median_seconds": 0.19406133302254602,
          "p95_seconds_nearest_rank": 0.19610545900650322,
          "samples_seconds": [
            0.19537554203998297,
            0.19399320799857378,
            0.19484441698295996,
            0.19522287498693913,
            0.1933961670147255,
            0.19384362496202812,
            0.19610545900650322,
            0.19429370801663026,
            0.1959582909476012,
            0.19406133302254602,
            0.19364870799472556,
            0.1936197920003906,
            0.19333270797505975,
            0.19482745800632983,
            0.1940416669822298
          ]
        },
        "python_warm": {
          "median_seconds": 0.18043579179793595,
          "p95_seconds_nearest_rank": 0.18216290000127627,
          "samples_seconds": [
            0.18216290000127627,
            0.18143833320355043,
            0.1813152250018902,
            0.18042793340282515,
            0.18015422499738634,
            0.17996978340670466,
            0.18116024999180808,
            0.18015639159129931,
            0.18135294179664924,
            0.1801350999972783,
            0.18043579179793595,
            0.18146750000305473,
            0.1820969668100588,
            0.18013047500280663,
            0.18008276680484414
          ]
        },
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "miss",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ],
          "guion_warm_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ]
        }
      },
      "parallel-cpu-20000": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by prior correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact_over_python_processes": {
            "ci95_percentile": [
              0.04368359525267615,
              0.048065696646497354
            ],
            "median_ratio": 0.04678907531055935,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_artifact_over_python_serial": {
            "ci95_percentile": [
              0.11498079955597668,
              0.12852402156187895
            ],
            "median_ratio": 0.12352799904982777,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_artifact_over_python_threads": {
            "ci95_percentile": [
              0.11469228306258457,
              0.1243659022256921
            ],
            "median_ratio": 0.12250651198848295,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_over_python_serial": {
            "ci95_percentile": [
              0.14065645269697277,
              0.14591106794017314
            ],
            "median_ratio": 0.1429630501885252,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached_over_python_serial": {
            "ci95_percentile": [
              0.12184619326377433,
              0.1351865801636798
            ],
            "median_ratio": 0.12887798372195652,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_warm_over_python_serial": {
            "ci95_percentile": [
              0.12551090081687907,
              0.1320752880845576
            ],
            "median_ratio": 0.13037549774562385,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "guion_artifact": {
          "median_seconds": 0.006637041049543768,
          "p95_seconds_nearest_rank": 0.007248291978612542,
          "samples_seconds": [
            0.007248291978612542,
            0.006144458020571619,
            0.0060830829897895455,
            0.006883916968945414,
            0.006504957971628755,
            0.006008291034959257,
            0.006821791990660131,
            0.006753249967005104,
            0.006819082947913557,
            0.006620041967835277,
            0.00615229201503098,
            0.00706708402140066,
            0.006082667037844658,
            0.006966415967326611,
            0.006637041049543768
          ]
        },
        "guion_source": {
          "median_seconds": 0.007732000027317554,
          "p95_seconds_nearest_rank": 0.008237959002144635,
          "samples_seconds": [
            0.008028416021261364,
            0.007520249986555427,
            0.007500040985178202,
            0.00766408396884799,
            0.007407290977425873,
            0.008237959002144635,
            0.00770520803052932,
            0.0075348750106059015,
            0.007749499985948205,
            0.007927792030386627,
            0.007164707989431918,
            0.007760915963444859,
            0.007732000027317554,
            0.007981083006598055,
            0.008052791992668062
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.006865000003017485,
          "p95_seconds_nearest_rank": 0.007929540995974094,
          "samples_seconds": [
            0.007929540995974094,
            0.006052916985936463,
            0.00713775004260242,
            0.006491624983027577,
            0.007155874976888299,
            0.006865000003017485,
            0.006450625020079315,
            0.006706917018163949,
            0.006837334018200636,
            0.006438958051148802,
            0.007381250034086406,
            0.0070875000092200935,
            0.007231792027596384,
            0.006774208042770624,
            0.0070950419758446515
          ]
        },
        "guion_warm_artifact": {
          "median_seconds": 0.0018157582031562924,
          "p95_seconds_nearest_rank": 0.001981125003658235,
          "samples_seconds": [
            0.0018220250029116869,
            0.0018292499938979746,
            0.0018130250042304396,
            0.0018298999988473953,
            0.0017439000075682998,
            0.0016366916010156275,
            0.0018179917940869927,
            0.0017797915963456035,
            0.0018157582031562924,
            0.0016839500050991774,
            0.0017252166057005526,
            0.0018311750027351081,
            0.001724591595120728,
            0.001981125003658235,
            0.0018582582008093596
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 5583,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 487583,
                  "lowering_nanoseconds": 82833,
                  "name": "work",
                  "verification_nanoseconds": 52583
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "main",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 5917,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 483292,
                  "lowering_nanoseconds": 84000,
                  "name": "work",
                  "verification_nanoseconds": 48958
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "main",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 8084,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 505917,
                  "lowering_nanoseconds": 85083,
                  "name": "work",
                  "verification_nanoseconds": 52541
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "main",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_warm_artifact": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 20,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 8792,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 518917,
                  "lowering_nanoseconds": 91834,
                  "name": "work",
                  "verification_nanoseconds": 53459
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "benchmark_once",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "benchmark_once",
                  "blocking_instruction": "Call at bytecode instruction 6",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "python_serial",
            "guion_source_uncached",
            "python_threads",
            "python_warm",
            "guion_artifact",
            "guion_source",
            "python_processes",
            "guion_warm_artifact"
          ],
          [
            "guion_artifact",
            "guion_source_uncached",
            "python_serial",
            "guion_warm_artifact",
            "python_warm",
            "python_processes",
            "python_threads",
            "guion_source"
          ],
          [
            "guion_artifact",
            "python_processes",
            "python_threads",
            "guion_source",
            "python_warm",
            "guion_source_uncached",
            "python_serial",
            "guion_warm_artifact"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_processes",
            "guion_artifact",
            "guion_warm_artifact",
            "python_threads",
            "python_warm",
            "python_serial"
          ],
          [
            "python_threads",
            "guion_artifact",
            "guion_warm_artifact",
            "guion_source",
            "python_processes",
            "python_warm",
            "guion_source_uncached",
            "python_serial"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "guion_source",
            "python_processes",
            "python_threads",
            "python_serial"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "guion_warm_artifact",
            "python_processes",
            "python_warm",
            "guion_artifact",
            "python_serial",
            "python_threads"
          ],
          [
            "guion_artifact",
            "guion_source_uncached",
            "python_serial",
            "python_threads",
            "guion_warm_artifact",
            "python_warm",
            "python_processes",
            "guion_source"
          ],
          [
            "python_serial",
            "python_warm",
            "guion_source_uncached",
            "python_processes",
            "guion_artifact",
            "python_threads",
            "guion_warm_artifact",
            "guion_source"
          ],
          [
            "guion_source_uncached",
            "guion_warm_artifact",
            "python_threads",
            "guion_source",
            "python_serial",
            "python_warm",
            "python_processes",
            "guion_artifact"
          ],
          [
            "guion_source",
            "python_threads",
            "guion_source_uncached",
            "guion_artifact",
            "guion_warm_artifact",
            "python_warm",
            "python_processes",
            "python_serial"
          ],
          [
            "guion_artifact",
            "python_processes",
            "guion_source_uncached",
            "python_warm",
            "guion_warm_artifact",
            "python_threads",
            "guion_source",
            "python_serial"
          ],
          [
            "python_serial",
            "guion_source",
            "guion_artifact",
            "guion_warm_artifact",
            "guion_source_uncached",
            "python_processes",
            "python_threads",
            "python_warm"
          ],
          [
            "python_serial",
            "python_warm",
            "guion_artifact",
            "python_threads",
            "guion_warm_artifact",
            "guion_source",
            "guion_source_uncached",
            "python_processes"
          ],
          [
            "guion_warm_artifact",
            "guion_source",
            "python_processes",
            "python_warm",
            "python_threads",
            "python_serial",
            "guion_source_uncached",
            "guion_artifact"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 0.006454791990108788,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 55291,
              "cli_to_report_excluding_process_startup_ns": 1651291,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 13583,
              "native_compilation": {
                "finalize_nanoseconds": 7000,
                "functions": [
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 21,
                    "cranelift_ir_blocks": 24,
                    "cranelift_ir_instructions": 304,
                    "define_nanoseconds": 480583,
                    "lowering_nanoseconds": 90083,
                    "name": "work",
                    "verification_nanoseconds": 46166
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                    "name": "main",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 1435041,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile_enabled": false
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 0.007523165957536548,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 43750,
              "cli_to_report_excluding_process_startup_ns": 2073666,
              "compiler_pipeline": {
                "compile_program_ns": 172458,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 35208,
                    "path_validation_ns": 18542,
                    "source_bytes": 582,
                    "source_name": "main.gu",
                    "source_read_ns": 14208
                  }
                ],
                "rust_compiler_compile_ns": 299583
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 6500,
                "functions": [
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 21,
                    "cranelift_ir_blocks": 24,
                    "cranelift_ir_instructions": 304,
                    "define_nanoseconds": 498833,
                    "lowering_nanoseconds": 91292,
                    "name": "work",
                    "verification_nanoseconds": 50833
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                    "name": "main",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 1506375,
              "source_compile_or_cache_ns": 391125
            },
            "runtime_profile_enabled": false
          }
        },
        "python_processes": {
          "median_seconds": 0.14147595799295232,
          "p95_seconds_nearest_rank": 0.14558775001205504,
          "samples_seconds": [
            0.14558775001205504,
            0.14034691697452217,
            0.14147595799295232,
            0.1432189159677364,
            0.13972387503599748,
            0.1405437919893302,
            0.14374624995980412,
            0.13949245802359655,
            0.14516133401775733,
            0.1414869159925729,
            0.14083758398192003,
            0.13866337499348447,
            0.1393454580102116,
            0.14199991698842496,
            0.14431612502085045
          ]
        },
        "python_serial": {
          "median_seconds": 0.0537290420033969,
          "p95_seconds_nearest_rank": 0.05593066697474569,
          "samples_seconds": [
            0.05593066697474569,
            0.053465374978259206,
            0.05279924999922514,
            0.053277208004146814,
            0.05291733401827514,
            0.05571320798480883,
            0.05389649997232482,
            0.05442424997454509,
            0.053056875010952353,
            0.054333040956407785,
            0.053507125005126,
            0.054347625002264977,
            0.05463616701308638,
            0.05256295797880739,
            0.0537290420033969
          ]
        },
        "python_threads": {
          "median_seconds": 0.05372520798118785,
          "p95_seconds_nearest_rank": 0.05778324999846518,
          "samples_seconds": [
            0.05734799994388595,
            0.053736041008960456,
            0.053801917005330324,
            0.05535212502581999,
            0.05309887503972277,
            0.053530791017692536,
            0.05670075002126396,
            0.052997916005551815,
            0.05297066597267985,
            0.0534348749788478,
            0.053420416021253914,
            0.054652666964102536,
            0.05303466698387638,
            0.05778324999846518,
            0.05372520798118785
          ]
        },
        "python_warm": {
          "median_seconds": 0.013738750002812595,
          "p95_seconds_nearest_rank": 0.014516866591293365,
          "samples_seconds": [
            0.014516866591293365,
            0.013987033406738191,
            0.013727208401542157,
            0.013886241801083088,
            0.01351390000199899,
            0.013587483402807266,
            0.013944275001995266,
            0.013504633400589227,
            0.013505116594024003,
            0.014041575009468944,
            0.014136983396019787,
            0.01367109160637483,
            0.013584549992810935,
            0.013738750002812595,
            0.014343541802372784
          ]
        },
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "miss",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ],
          "guion_warm_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ]
        }
      },
      "parallel-cpu-200000": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by prior correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact_over_python_processes": {
            "ci95_percentile": [
              0.07344676269702842,
              0.07654814122322438
            ],
            "median_ratio": 0.07483915020580423,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_artifact_over_python_serial": {
            "ci95_percentile": [
              0.1346803639955139,
              0.14226968590424305
            ],
            "median_ratio": 0.13988066409299735,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_artifact_over_python_threads": {
            "ci95_percentile": [
              0.13648224144981216,
              0.14100512507319976
            ],
            "median_ratio": 0.13864816136639788,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_over_python_serial": {
            "ci95_percentile": [
              0.1446220613837301,
              0.15293723977694443
            ],
            "median_ratio": 0.14851905029427795,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached_over_python_serial": {
            "ci95_percentile": [
              0.14234014083881583,
              0.15720296797549618
            ],
            "median_ratio": 0.1448609368573085,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_warm_over_python_serial": {
            "ci95_percentile": [
              0.15417903416844922,
              0.17225499601924066
            ],
            "median_ratio": 0.15734042058508108,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "guion_artifact": {
          "median_seconds": 0.011278041987679899,
          "p95_seconds_nearest_rank": 0.01560466701630503,
          "samples_seconds": [
            0.01139129197690636,
            0.011110165971331298,
            0.01109783397987485,
            0.012723208987154067,
            0.011329457978717983,
            0.011068166990298778,
            0.011354707996360958,
            0.010958667029626667,
            0.01560466701630503,
            0.011704291042406112,
            0.01032025000313297,
            0.011322040983941406,
            0.011278041987679899,
            0.01093595800921321,
            0.010574124986305833
          ]
        },
        "guion_source": {
          "median_seconds": 0.011898834025487304,
          "p95_seconds_nearest_rank": 0.016998292005155236,
          "samples_seconds": [
            0.011526541959028691,
            0.011876208009198308,
            0.012045042007230222,
            0.012746041000355035,
            0.016998292005155236,
            0.01125520805362612,
            0.011898834025487304,
            0.01199337502475828,
            0.012157207995187491,
            0.011580708029214293,
            0.011765582952648401,
            0.011819375038612634,
            0.012199708027765155,
            0.013530291966162622,
            0.011542749998625368
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.011746041011065245,
          "p95_seconds_nearest_rank": 0.013702250027563423,
          "samples_seconds": [
            0.01320099999429658,
            0.013702250027563423,
            0.011343666992615908,
            0.011666707985568792,
            0.012118457991164178,
            0.011798833031207323,
            0.01276083302218467,
            0.010883875016588718,
            0.012472375005017966,
            0.011146832956001163,
            0.01152175001334399,
            0.012684167013503611,
            0.011746041011065245,
            0.011288082983810455,
            0.011589166999328882
          ]
        },
        "guion_warm_artifact": {
          "median_seconds": 0.006386941601522267,
          "p95_seconds_nearest_rank": 0.008352375007234514,
          "samples_seconds": [
            0.006417858402710408,
            0.006238500005565584,
            0.008352375007234514,
            0.00693374159745872,
            0.006362208200152963,
            0.005976974999066442,
            0.0065662499982863665,
            0.006512799998745322,
            0.006386941601522267,
            0.006301983399316669,
            0.007262475008610636,
            0.006277791596949101,
            0.006216141593176872,
            0.007493166800122708,
            0.006288624997250736
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 8125,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 463292,
                  "lowering_nanoseconds": 76708,
                  "name": "work",
                  "verification_nanoseconds": 51083
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "main",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 5834,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 457584,
                  "lowering_nanoseconds": 78834,
                  "name": "work",
                  "verification_nanoseconds": 51250
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "main",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 4,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 9042,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 503833,
                  "lowering_nanoseconds": 88209,
                  "name": "work",
                  "verification_nanoseconds": 51292
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "main",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_warm_artifact": {
            "bytecode_blocks": 4,
            "bytecode_instructions": 21,
            "calls": 20,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 5458,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 21,
                  "cranelift_ir_blocks": 24,
                  "cranelift_ir_instructions": 304,
                  "define_nanoseconds": 511250,
                  "lowering_nanoseconds": 89750,
                  "name": "work",
                  "verification_nanoseconds": 52083
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                  "name": "benchmark_once",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "benchmark_once",
                  "blocking_instruction": "Call at bytecode instruction 6",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "compiled_functions": [
              "work"
            ],
            "cranelift_ir_blocks": 24,
            "cranelift_ir_instructions": 304,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "python_serial",
            "guion_source_uncached",
            "python_threads",
            "python_warm",
            "guion_artifact",
            "guion_source",
            "python_processes",
            "guion_warm_artifact"
          ],
          [
            "guion_artifact",
            "guion_source_uncached",
            "python_serial",
            "guion_warm_artifact",
            "python_warm",
            "python_processes",
            "python_threads",
            "guion_source"
          ],
          [
            "guion_artifact",
            "python_processes",
            "python_threads",
            "guion_source",
            "python_warm",
            "guion_source_uncached",
            "python_serial",
            "guion_warm_artifact"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_processes",
            "guion_artifact",
            "guion_warm_artifact",
            "python_threads",
            "python_warm",
            "python_serial"
          ],
          [
            "python_threads",
            "guion_artifact",
            "guion_warm_artifact",
            "guion_source",
            "python_processes",
            "python_warm",
            "guion_source_uncached",
            "python_serial"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "guion_source",
            "python_processes",
            "python_threads",
            "python_serial"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "guion_warm_artifact",
            "python_processes",
            "python_warm",
            "guion_artifact",
            "python_serial",
            "python_threads"
          ],
          [
            "guion_artifact",
            "guion_source_uncached",
            "python_serial",
            "python_threads",
            "guion_warm_artifact",
            "python_warm",
            "python_processes",
            "guion_source"
          ],
          [
            "python_serial",
            "python_warm",
            "guion_source_uncached",
            "python_processes",
            "guion_artifact",
            "python_threads",
            "guion_warm_artifact",
            "guion_source"
          ],
          [
            "guion_source_uncached",
            "guion_warm_artifact",
            "python_threads",
            "guion_source",
            "python_serial",
            "python_warm",
            "python_processes",
            "guion_artifact"
          ],
          [
            "guion_source",
            "python_threads",
            "guion_source_uncached",
            "guion_artifact",
            "guion_warm_artifact",
            "python_warm",
            "python_processes",
            "python_serial"
          ],
          [
            "guion_artifact",
            "python_processes",
            "guion_source_uncached",
            "python_warm",
            "guion_warm_artifact",
            "python_threads",
            "guion_source",
            "python_serial"
          ],
          [
            "python_serial",
            "guion_source",
            "guion_artifact",
            "guion_warm_artifact",
            "guion_source_uncached",
            "python_processes",
            "python_threads",
            "python_warm"
          ],
          [
            "python_serial",
            "python_warm",
            "guion_artifact",
            "python_threads",
            "guion_warm_artifact",
            "guion_source",
            "guion_source_uncached",
            "python_processes"
          ],
          [
            "guion_warm_artifact",
            "guion_source",
            "python_processes",
            "python_warm",
            "python_threads",
            "python_serial",
            "guion_source_uncached",
            "guion_artifact"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 0.012148457986768335,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 52958,
              "cli_to_report_excluding_process_startup_ns": 7219333,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 13416,
              "native_compilation": {
                "finalize_nanoseconds": 5542,
                "functions": [
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 21,
                    "cranelift_ir_blocks": 24,
                    "cranelift_ir_instructions": 304,
                    "define_nanoseconds": 489916,
                    "lowering_nanoseconds": 81500,
                    "name": "work",
                    "verification_nanoseconds": 50167
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                    "name": "main",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 7010709,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile_enabled": false
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 0.014607290970161557,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 46250,
              "cli_to_report_excluding_process_startup_ns": 9066500,
              "compiler_pipeline": {
                "compile_program_ns": 163750,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 38167,
                    "path_validation_ns": 19000,
                    "source_bytes": 586,
                    "source_name": "main.gu",
                    "source_read_ns": 17916
                  }
                ],
                "rust_compiler_compile_ns": 299000
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 6583,
                "functions": [
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 21,
                    "cranelift_ir_blocks": 24,
                    "cranelift_ir_instructions": 304,
                    "define_nanoseconds": 496833,
                    "lowering_nanoseconds": 88000,
                    "name": "work",
                    "verification_nanoseconds": 50958
                  }
                ],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 8: ParallelMap(0)",
                    "name": "main",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 8485167,
              "source_compile_or_cache_ns": 392583
            },
            "runtime_profile_enabled": false
          }
        },
        "python_processes": {
          "median_seconds": 0.14994437497807667,
          "p95_seconds_nearest_rank": 0.1529061670298688,
          "samples_seconds": [
            0.1522103330353275,
            0.1474429169902578,
            0.14940987504087389,
            0.1507103749900125,
            0.14873112499481067,
            0.15069645800394937,
            0.15038745902711526,
            0.1467785409768112,
            0.15253916702931747,
            0.14787491597235203,
            0.14901216595899314,
            0.1479074580129236,
            0.1529061670298688,
            0.15040091698756441,
            0.14994437497807667
          ]
        },
        "python_serial": {
          "median_seconds": 0.08088387502357364,
          "p95_seconds_nearest_rank": 0.08323191700037569,
          "samples_seconds": [
            0.08134408300975338,
            0.07951429096283391,
            0.07969408296048641,
            0.08099420805228874,
            0.08088387502357364,
            0.08218099997611716,
            0.0811742499936372,
            0.08010829100385308,
            0.08320491702761501,
            0.08007566700689495,
            0.07953662500949576,
            0.07958154199877754,
            0.07976937497733161,
            0.08252366696251556,
            0.08323191700037569
          ]
        },
        "python_threads": {
          "median_seconds": 0.08062545902794227,
          "p95_seconds_nearest_rank": 0.08443979197181761,
          "samples_seconds": [
            0.08206012501614168,
            0.08013208297779784,
            0.08097995800198987,
            0.08135499997297302,
            0.08136620803270489,
            0.08081216603750363,
            0.08052691695047542,
            0.08443979197181761,
            0.0800990000134334,
            0.08018900000024587,
            0.08006883302005008,
            0.08062545902794227,
            0.08168183302041143,
            0.08012733299983665,
            0.08045558305457234
          ]
        },
        "python_warm": {
          "median_seconds": 0.04025277500040829,
          "p95_seconds_nearest_rank": 0.041368191596120596,
          "samples_seconds": [
            0.04042274160310626,
            0.040462699998170135,
            0.040118341601919384,
            0.04025277500040829,
            0.041368191596120596,
            0.04014769160421565,
            0.040601091599091886,
            0.040296858199872075,
            0.040787883393932134,
            0.040053174993954596,
            0.04025227500824258,
            0.040160741610452536,
            0.04070494159823283,
            0.04019908319460228,
            0.04020127500407398
          ]
        },
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "miss",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ],
          "guion_warm_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ]
        }
      },
      "richards-scheduler": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by prior correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact": {
            "ci95_percentile": [
              0.4193501985242582,
              0.42983138050339026
            ],
            "median_ratio": 0.4252256523985322,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source": {
            "ci95_percentile": [
              0.434557180462053,
              0.4456749342655094
            ],
            "median_ratio": 0.44226745666243406,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached": {
            "ci95_percentile": [
              0.4261050022661422,
              0.43962645406372414
            ],
            "median_ratio": 0.43342370403294145,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_warm_artifact": {
            "ci95_percentile": [
              0.22679772439692839,
              0.23043528419604237
            ],
            "median_ratio": 0.2277396152495691,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "guion_artifact": {
          "median_seconds": 0.02737641701241955,
          "p95_seconds_nearest_rank": 0.028485124988947064,
          "samples_seconds": [
            0.026851915987208486,
            0.0272412920021452,
            0.027547750039957464,
            0.027026625000871718,
            0.027349667041562498,
            0.027508415980264544,
            0.027923292014747858,
            0.027728250017389655,
            0.028485124988947064,
            0.02720354200573638,
            0.02735120797296986,
            0.026915416005067527,
            0.02788033301476389,
            0.02762595796957612,
            0.02737641701241955
          ]
        },
        "guion_source": {
          "median_seconds": 0.028519792016595602,
          "p95_seconds_nearest_rank": 0.029904750001151115,
          "samples_seconds": [
            0.02833479200489819,
            0.0287864159909077,
            0.028519792016595602,
            0.028360125026665628,
            0.028794166981242597,
            0.029545624973252416,
            0.028867832967080176,
            0.027869292011018842,
            0.02835816703736782,
            0.0286916249897331,
            0.028321332996711135,
            0.028351332992315292,
            0.029904750001151115,
            0.028890041983686388,
            0.028473583981394768
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.02802824997343123,
          "p95_seconds_nearest_rank": 0.02934158395510167,
          "samples_seconds": [
            0.02829254197422415,
            0.02934158395510167,
            0.02802824997343123,
            0.02759270800743252,
            0.02826429100241512,
            0.02787958300905302,
            0.02825441601453349,
            0.02864937495905906,
            0.028154709027148783,
            0.02799187501659617,
            0.027541583054699004,
            0.027793665998615324,
            0.027726084052119404,
            0.028643875033594668,
            0.027727540989872068
          ]
        },
        "guion_warm_artifact": {
          "median_seconds": 0.009145349997561425,
          "p95_seconds_nearest_rank": 0.009416258393321187,
          "samples_seconds": [
            0.00925123339984566,
            0.00912343340460211,
            0.00911229159682989,
            0.009246816800441593,
            0.009265433403197677,
            0.00931255000177771,
            0.009209333208855242,
            0.009145349997561425,
            0.009083058405667543,
            0.00910662499954924,
            0.009121724998112767,
            0.009063116798643023,
            0.009416258393321187,
            0.009179158404003828,
            0.009070649999193848
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 126,
            "bytecode_instructions": 944,
            "calls": 37547,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 36708,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 11,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 248,
                  "define_nanoseconds": 362167,
                  "lowering_nanoseconds": 81042,
                  "name": "next_worker_count",
                  "verification_nanoseconds": 45500
                },
                {
                  "bytecode_blocks": 9,
                  "bytecode_instructions": 46,
                  "cranelift_ir_blocks": 28,
                  "cranelift_ir_instructions": 351,
                  "define_nanoseconds": 412209,
                  "lowering_nanoseconds": 66542,
                  "name": "xor_d008",
                  "verification_nanoseconds": 40041
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 91,
                  "cranelift_ir_blocks": 42,
                  "cranelift_ir_instructions": 692,
                  "define_nanoseconds": 774625,
                  "lowering_nanoseconds": 136333,
                  "name": "route_packet",
                  "verification_nanoseconds": 68625
                },
                {
                  "bytecode_blocks": 103,
                  "bytecode_instructions": 796,
                  "cranelift_ir_blocks": 282,
                  "cranelift_ir_instructions": 4568,
                  "define_nanoseconds": 7252250,
                  "lowering_nanoseconds": 1769917,
                  "name": "main",
                  "verification_nanoseconds": 455667
                }
              ],
              "rejected_functions": []
            },
            "compiled_functions": [
              "next_worker_count",
              "xor_d008",
              "route_packet",
              "main"
            ],
            "cranelift_ir_blocks": 369,
            "cranelift_ir_instructions": 5859,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 126,
            "bytecode_instructions": 944,
            "calls": 37547,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 21708,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 11,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 248,
                  "define_nanoseconds": 347708,
                  "lowering_nanoseconds": 72291,
                  "name": "next_worker_count",
                  "verification_nanoseconds": 42375
                },
                {
                  "bytecode_blocks": 9,
                  "bytecode_instructions": 46,
                  "cranelift_ir_blocks": 28,
                  "cranelift_ir_instructions": 351,
                  "define_nanoseconds": 401833,
                  "lowering_nanoseconds": 62958,
                  "name": "xor_d008",
                  "verification_nanoseconds": 39875
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 91,
                  "cranelift_ir_blocks": 42,
                  "cranelift_ir_instructions": 692,
                  "define_nanoseconds": 784500,
                  "lowering_nanoseconds": 132375,
                  "name": "route_packet",
                  "verification_nanoseconds": 68250
                },
                {
                  "bytecode_blocks": 103,
                  "bytecode_instructions": 796,
                  "cranelift_ir_blocks": 282,
                  "cranelift_ir_instructions": 4568,
                  "define_nanoseconds": 7260542,
                  "lowering_nanoseconds": 1690250,
                  "name": "main",
                  "verification_nanoseconds": 457291
                }
              ],
              "rejected_functions": []
            },
            "compiled_functions": [
              "next_worker_count",
              "xor_d008",
              "route_packet",
              "main"
            ],
            "cranelift_ir_blocks": 369,
            "cranelift_ir_instructions": 5859,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 126,
            "bytecode_instructions": 944,
            "calls": 37547,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 21542,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 11,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 248,
                  "define_nanoseconds": 345333,
                  "lowering_nanoseconds": 67375,
                  "name": "next_worker_count",
                  "verification_nanoseconds": 41500
                },
                {
                  "bytecode_blocks": 9,
                  "bytecode_instructions": 46,
                  "cranelift_ir_blocks": 28,
                  "cranelift_ir_instructions": 351,
                  "define_nanoseconds": 395458,
                  "lowering_nanoseconds": 61917,
                  "name": "xor_d008",
                  "verification_nanoseconds": 38167
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 91,
                  "cranelift_ir_blocks": 42,
                  "cranelift_ir_instructions": 692,
                  "define_nanoseconds": 773917,
                  "lowering_nanoseconds": 131500,
                  "name": "route_packet",
                  "verification_nanoseconds": 68709
                },
                {
                  "bytecode_blocks": 103,
                  "bytecode_instructions": 796,
                  "cranelift_ir_blocks": 282,
                  "cranelift_ir_instructions": 4568,
                  "define_nanoseconds": 7288708,
                  "lowering_nanoseconds": 1702917,
                  "name": "main",
                  "verification_nanoseconds": 452000
                }
              ],
              "rejected_functions": []
            },
            "compiled_functions": [
              "next_worker_count",
              "xor_d008",
              "route_packet",
              "main"
            ],
            "cranelift_ir_blocks": 369,
            "cranelift_ir_instructions": 5859,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_warm_artifact": {
            "bytecode_blocks": 126,
            "bytecode_instructions": 944,
            "calls": 187735,
            "compilations": 1,
            "compile_profile": {
              "finalize_nanoseconds": 22708,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 11,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 248,
                  "define_nanoseconds": 342666,
                  "lowering_nanoseconds": 70750,
                  "name": "next_worker_count",
                  "verification_nanoseconds": 42792
                },
                {
                  "bytecode_blocks": 9,
                  "bytecode_instructions": 46,
                  "cranelift_ir_blocks": 28,
                  "cranelift_ir_instructions": 351,
                  "define_nanoseconds": 407500,
                  "lowering_nanoseconds": 67375,
                  "name": "xor_d008",
                  "verification_nanoseconds": 41000
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 91,
                  "cranelift_ir_blocks": 42,
                  "cranelift_ir_instructions": 692,
                  "define_nanoseconds": 774667,
                  "lowering_nanoseconds": 133458,
                  "name": "route_packet",
                  "verification_nanoseconds": 68417
                },
                {
                  "bytecode_blocks": 103,
                  "bytecode_instructions": 796,
                  "cranelift_ir_blocks": 282,
                  "cranelift_ir_instructions": 4568,
                  "define_nanoseconds": 7182000,
                  "lowering_nanoseconds": 1693167,
                  "name": "benchmark_once",
                  "verification_nanoseconds": 453666
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": "benchmark_once",
                  "blocking_instruction": "Call at bytecode instruction 6",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "compiled_functions": [
              "next_worker_count",
              "xor_d008",
              "route_packet",
              "benchmark_once"
            ],
            "cranelift_ir_blocks": 369,
            "cranelift_ir_instructions": 5859,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "guion_warm_artifact",
            "python_warm",
            "guion_source_uncached",
            "python_reference",
            "guion_artifact",
            "guion_source"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "guion_warm_artifact",
            "guion_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "python_warm",
            "guion_source",
            "guion_warm_artifact"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact"
          ],
          [
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached"
          ],
          [
            "python_reference",
            "guion_source",
            "guion_warm_artifact",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_warm_artifact",
            "guion_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "python_reference",
            "guion_artifact",
            "guion_warm_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm"
          ],
          [
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm",
            "guion_source",
            "guion_source_uncached"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 0.027200750017073005,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 696167,
              "cli_to_report_excluding_process_startup_ns": 21823458,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 44000,
              "native_compilation": {
                "finalize_nanoseconds": 18667,
                "functions": [
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 11,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 248,
                    "define_nanoseconds": 335250,
                    "lowering_nanoseconds": 68625,
                    "name": "next_worker_count",
                    "verification_nanoseconds": 42125
                  },
                  {
                    "bytecode_blocks": 9,
                    "bytecode_instructions": 46,
                    "cranelift_ir_blocks": 28,
                    "cranelift_ir_instructions": 351,
                    "define_nanoseconds": 406083,
                    "lowering_nanoseconds": 64416,
                    "name": "xor_d008",
                    "verification_nanoseconds": 39834
                  },
                  {
                    "bytecode_blocks": 10,
                    "bytecode_instructions": 91,
                    "cranelift_ir_blocks": 42,
                    "cranelift_ir_instructions": 692,
                    "define_nanoseconds": 773375,
                    "lowering_nanoseconds": 135541,
                    "name": "route_packet",
                    "verification_nanoseconds": 68792
                  },
                  {
                    "bytecode_blocks": 103,
                    "bytecode_instructions": 796,
                    "cranelift_ir_blocks": 282,
                    "cranelift_ir_instructions": 4568,
                    "define_nanoseconds": 7200250,
                    "lowering_nanoseconds": 1709084,
                    "name": "main",
                    "verification_nanoseconds": 453666
                  }
                ],
                "rejected_functions": []
              },
              "program_execute_ns": 20921500,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile_enabled": false
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 0.028010749956592917,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 703875,
              "cli_to_report_excluding_process_startup_ns": 22962084,
              "compiler_pipeline": {
                "compile_program_ns": 253458,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 223500,
                    "path_validation_ns": 18584,
                    "source_bytes": 12104,
                    "source_name": "main.gu",
                    "source_read_ns": 14834
                  }
                ],
                "rust_compiler_compile_ns": 627584
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 21625,
                "functions": [
                  {
                    "bytecode_blocks": 4,
                    "bytecode_instructions": 11,
                    "cranelift_ir_blocks": 17,
                    "cranelift_ir_instructions": 248,
                    "define_nanoseconds": 343667,
                    "lowering_nanoseconds": 65958,
                    "name": "next_worker_count",
                    "verification_nanoseconds": 41166
                  },
                  {
                    "bytecode_blocks": 9,
                    "bytecode_instructions": 46,
                    "cranelift_ir_blocks": 28,
                    "cranelift_ir_instructions": 351,
                    "define_nanoseconds": 405209,
                    "lowering_nanoseconds": 61459,
                    "name": "xor_d008",
                    "verification_nanoseconds": 38834
                  },
                  {
                    "bytecode_blocks": 10,
                    "bytecode_instructions": 91,
                    "cranelift_ir_blocks": 42,
                    "cranelift_ir_instructions": 692,
                    "define_nanoseconds": 805209,
                    "lowering_nanoseconds": 138834,
                    "name": "route_packet",
                    "verification_nanoseconds": 71125
                  },
                  {
                    "bytecode_blocks": 103,
                    "bytecode_instructions": 796,
                    "cranelift_ir_blocks": 282,
                    "cranelift_ir_instructions": 4568,
                    "define_nanoseconds": 7316709,
                    "lowering_nanoseconds": 1910292,
                    "name": "main",
                    "verification_nanoseconds": 459084
                  }
                ],
                "rejected_functions": []
              },
              "program_execute_ns": 21398750,
              "source_compile_or_cache_ns": 716542
            },
            "runtime_profile_enabled": false
          }
        },
        "python_reference": {
          "median_seconds": 0.0647008329979144,
          "p95_seconds_nearest_rank": 0.06774329097243026,
          "samples_seconds": [
            0.06533458299236372,
            0.0647008329979144,
            0.0640896669938229,
            0.06526212499011308,
            0.06361712503712624,
            0.06389283400494605,
            0.06774329097243026,
            0.06516754097538069,
            0.06429770798422396,
            0.06458316597854719,
            0.065222833014559,
            0.06428441597381607,
            0.06506866595009342,
            0.06482312502339482,
            0.06438091601012275
          ]
        },
        "python_warm": {
          "median_seconds": 0.040149275003932415,
          "p95_seconds_nearest_rank": 0.04053885000757873,
          "samples_seconds": [
            0.04053885000757873,
            0.04024809999391436,
            0.040380891598761084,
            0.04012760820332915,
            0.0399437665939331,
            0.040149275003932415,
            0.040522825007792564,
            0.040049224998801945,
            0.04051098320633173,
            0.03994199999142438,
            0.040053308196365836,
            0.0399612333974801,
            0.04011940819909796,
            0.04031219159951434,
            0.04040998339187354
          ]
        },
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "miss",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ],
          "guion_warm_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ]
        }
      },
      "text-processing": {
        "cache_policy": {
          "cached_source": "fresh Guion process; source cache warmed by prior correctness-checked calls",
          "uncached_source": "--no-cache bypasses the Guion compilation cache; OS file cache uncontrolled"
        },
        "comparison": {
          "guion_artifact": {
            "ci95_percentile": [
              0.560894119249511,
              0.5796607666404505
            ],
            "median_ratio": 0.5744157048359158,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source": {
            "ci95_percentile": [
              0.5850258056792267,
              0.599402885871568
            ],
            "median_ratio": 0.5948403603948547,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_source_uncached": {
            "ci95_percentile": [
              0.5734358248767603,
              0.5954749737002838
            ],
            "median_ratio": 0.5841617879394067,
            "ties_or_regressions": 0,
            "win": true
          },
          "guion_warm_artifact": {
            "ci95_percentile": [
              0.7188041759804036,
              0.7283416607709126
            ],
            "median_ratio": 0.7237981107779026,
            "ties_or_regressions": 0,
            "win": true
          }
        },
        "guion_artifact": {
          "median_seconds": 0.029008332989178598,
          "p95_seconds_nearest_rank": 0.030940166034270078,
          "samples_seconds": [
            0.030940166034270078,
            0.029398040962405503,
            0.029195250011980534,
            0.0290405839914456,
            0.02895562502089888,
            0.029037208994850516,
            0.02997304202290252,
            0.028629040985833853,
            0.02885816595517099,
            0.02863725001225248,
            0.02884933300083503,
            0.02883812499931082,
            0.029118083009961993,
            0.029008332989178598,
            0.02865495899459347
          ]
        },
        "guion_source": {
          "median_seconds": 0.03004470799351111,
          "p95_seconds_nearest_rank": 0.03096233302494511,
          "samples_seconds": [
            0.030062709003686905,
            0.03024033398833126,
            0.03042749996529892,
            0.030289540998637676,
            0.03004470799351111,
            0.029578708054032177,
            0.03084262495394796,
            0.029760874982457608,
            0.029983208049088717,
            0.029590459016617388,
            0.03082666703267023,
            0.029884207993745804,
            0.03096233302494511,
            0.029777832969557494,
            0.03003966703545302
          ]
        },
        "guion_source_uncached": {
          "median_seconds": 0.029683042026590556,
          "p95_seconds_nearest_rank": 0.03105370799312368,
          "samples_seconds": [
            0.030374417023267597,
            0.029510041989851743,
            0.029691207979340106,
            0.030586459033656865,
            0.029497875017113984,
            0.029683042026590556,
            0.0294460830045864,
            0.029941832995973527,
            0.029937207989860326,
            0.029138916986994445,
            0.02916991600068286,
            0.029470957990270108,
            0.03105370799312368,
            0.02987666701665148,
            0.029634332982823253
          ]
        },
        "guion_warm_artifact": {
          "median_seconds": 0.02386814160272479,
          "p95_seconds_nearest_rank": 0.024568041798193007,
          "samples_seconds": [
            0.024024933204054834,
            0.023726333398371935,
            0.02386814160272479,
            0.023903150006663054,
            0.02387184159597382,
            0.02411725840065628,
            0.023869399994146077,
            0.023695141600910574,
            0.023716291598975658,
            0.023699900007341058,
            0.02368347500450909,
            0.024568041798193007,
            0.023987191601190717,
            0.023729191604070367,
            0.023706258402671664
          ]
        },
        "native_backend_reports": {
          "guion_artifact": {
            "bytecode_blocks": 0,
            "bytecode_instructions": 0,
            "calls": 0,
            "compilations": 0,
            "compile_profile": {
              "finalize_nanoseconds": 0,
              "functions": [],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "loop backedge at bytecode instruction 84",
                  "name": "main",
                  "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                  "reason_code": "native_loop_value_arena_retention"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [],
            "cranelift_ir_blocks": 0,
            "cranelift_ir_instructions": 0,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source": {
            "bytecode_blocks": 0,
            "bytecode_instructions": 0,
            "calls": 0,
            "compilations": 0,
            "compile_profile": {
              "finalize_nanoseconds": 0,
              "functions": [],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "loop backedge at bytecode instruction 84",
                  "name": "main",
                  "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                  "reason_code": "native_loop_value_arena_retention"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [],
            "cranelift_ir_blocks": 0,
            "cranelift_ir_instructions": 0,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_source_uncached": {
            "bytecode_blocks": 0,
            "bytecode_instructions": 0,
            "calls": 0,
            "compilations": 0,
            "compile_profile": {
              "finalize_nanoseconds": 0,
              "functions": [],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "loop backedge at bytecode instruction 84",
                  "name": "main",
                  "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                  "reason_code": "native_loop_value_arena_retention"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [],
            "cranelift_ir_blocks": 0,
            "cranelift_ir_instructions": 0,
            "deoptimization_sites": [],
            "deoptimizations": 0
          },
          "guion_warm_artifact": {
            "bytecode_blocks": 0,
            "bytecode_instructions": 0,
            "calls": 0,
            "compilations": 0,
            "compile_profile": {
              "finalize_nanoseconds": 0,
              "functions": [],
              "rejected_functions": [
                {
                  "blocking_callee": null,
                  "blocking_instruction": "loop backedge at bytecode instruction 84",
                  "name": "benchmark_once",
                  "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                  "reason_code": "native_loop_value_arena_retention"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "loop backedge at bytecode instruction 19",
                  "name": "main",
                  "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                  "reason_code": "native_loop_value_arena_retention"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_scalar",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: Less",
                  "name": "text_compare_bytes",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": null,
                  "name": "text_split",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseInt",
                  "name": "text_parse_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                  "name": "text_parse_decimal",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": "unicode_casefold",
                  "blocking_instruction": "Call at bytecode instruction 1",
                  "name": "text_casefold",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": "unicode_normalize",
                  "blocking_instruction": "Call at bytecode instruction 2",
                  "name": "text_normalize",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                  "name": "unicode_casefold",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TextNormalize",
                  "name": "unicode_normalize",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_null",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_integer",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_real",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 5: BytesFromText",
                  "name": "sql_text",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                  "name": "today_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                  "name": "parse_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                  "name": "format_utc_date",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                  "name": "resolve_local",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                },
                {
                  "blocking_callee": null,
                  "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                  "name": "time_zone_data_version",
                  "reason": "native type inference could not prove the function's stack and control-flow types",
                  "reason_code": "unsupported_types_or_control_flow"
                }
              ]
            },
            "compiled_functions": [],
            "cranelift_ir_blocks": 0,
            "cranelift_ir_instructions": 0,
            "deoptimization_sites": [],
            "deoptimizations": 0
          }
        },
        "paired_trial_order": [
          [
            "guion_warm_artifact",
            "python_warm",
            "guion_source_uncached",
            "python_reference",
            "guion_artifact",
            "guion_source"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "guion_warm_artifact",
            "guion_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "python_warm",
            "guion_source",
            "guion_warm_artifact"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact"
          ],
          [
            "python_reference",
            "guion_source_uncached",
            "guion_warm_artifact",
            "guion_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact"
          ],
          [
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached"
          ],
          [
            "python_reference",
            "guion_source",
            "guion_warm_artifact",
            "guion_source_uncached",
            "python_warm",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "python_warm",
            "guion_source_uncached",
            "guion_artifact"
          ],
          [
            "guion_source",
            "guion_source_uncached",
            "python_warm",
            "guion_warm_artifact",
            "guion_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "guion_artifact",
            "python_reference",
            "guion_warm_artifact",
            "python_warm",
            "guion_source"
          ],
          [
            "python_warm",
            "guion_source_uncached",
            "guion_artifact",
            "guion_source",
            "guion_warm_artifact",
            "python_reference"
          ],
          [
            "guion_source_uncached",
            "python_warm",
            "guion_source",
            "python_reference",
            "guion_artifact",
            "guion_warm_artifact"
          ],
          [
            "guion_source_uncached",
            "guion_source",
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm"
          ],
          [
            "guion_warm_artifact",
            "python_reference",
            "guion_artifact",
            "python_warm",
            "guion_source",
            "guion_source_uncached"
          ]
        ],
        "phase_profiles": {
          "prebuilt_artifact": {
            "cache_status": "not_applicable",
            "elapsed_seconds_including_process_startup": 0.029019417008385062,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 117167,
              "cli_to_report_excluding_process_startup_ns": 23594667,
              "compiler_pipeline": null,
              "input_artifact_decode_ns": 29875,
              "native_compilation": {
                "finalize_nanoseconds": 0,
                "functions": [],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "loop backedge at bytecode instruction 84",
                    "name": "main",
                    "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                    "reason_code": "native_loop_value_arena_retention"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_scalar",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_bytes",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": null,
                    "name": "text_split",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseInt",
                    "name": "text_parse_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                    "name": "text_parse_decimal",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": "unicode_casefold",
                    "blocking_instruction": "Call at bytecode instruction 1",
                    "name": "text_casefold",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": "unicode_normalize",
                    "blocking_instruction": "Call at bytecode instruction 2",
                    "name": "text_normalize",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                    "name": "unicode_casefold",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TextNormalize",
                    "name": "unicode_normalize",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_null",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_real",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                    "name": "today_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                    "name": "parse_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                    "name": "format_utc_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                    "name": "resolve_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                    "name": "time_zone_data_version",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 23189125,
              "source_compile_or_cache_ns": null
            },
            "runtime_profile_enabled": false
          },
          "uncached_source": {
            "cache_status": "bypassed",
            "elapsed_seconds_including_process_startup": 0.02935516700381413,
            "reported_phase_timings_ns": {
              "artifact_runtime_load_ns": 102791,
              "cli_to_report_excluding_process_startup_ns": 24066291,
              "compiler_pipeline": {
                "compile_program_ns": 203500,
                "compiler_backend": "rust",
                "modules": [
                  {
                    "import_count": 1,
                    "import_resolution_ns": 1875,
                    "parse_ns": 52375,
                    "path_validation_ns": 18250,
                    "source_bytes": 1020,
                    "source_name": "main.gu",
                    "source_read_ns": 14167
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 6625,
                    "path_validation_ns": 13916,
                    "source_bytes": 271,
                    "source_name": "std:http_types",
                    "source_read_ns": 13292
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 583,
                    "parse_ns": 36792,
                    "path_validation_ns": 14833,
                    "source_bytes": 1276,
                    "source_name": "std:text",
                    "source_read_ns": 15166
                  },
                  {
                    "import_count": 0,
                    "import_resolution_ns": 0,
                    "parse_ns": 25958,
                    "path_validation_ns": 12666,
                    "source_bytes": 1585,
                    "source_name": "std:time",
                    "source_read_ns": 13458
                  },
                  {
                    "import_count": 2,
                    "import_resolution_ns": 583,
                    "parse_ns": 31958,
                    "path_validation_ns": 15000,
                    "source_bytes": 1116,
                    "source_name": "std:types",
                    "source_read_ns": 16916
                  },
                  {
                    "import_count": 1,
                    "import_resolution_ns": 292,
                    "parse_ns": 7166,
                    "path_validation_ns": 15542,
                    "source_bytes": 337,
                    "source_name": "std:unicode",
                    "source_read_ns": 14334
                  }
                ],
                "rust_compiler_compile_ns": 664583
              },
              "input_artifact_decode_ns": null,
              "native_compilation": {
                "finalize_nanoseconds": 0,
                "functions": [],
                "rejected_functions": [
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "loop backedge at bytecode instruction 84",
                    "name": "main",
                    "reason": "native arena handles are retained for the invocation, so loops that allocate JSON, file, or text values must stay in the VM until the native arena can retire dead handles",
                    "reason_code": "native_loop_value_arena_retention"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_scalar",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: Less",
                    "name": "text_compare_bytes",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": null,
                    "name": "text_split",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseInt",
                    "name": "text_parse_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextParseFloat",
                    "name": "text_parse_decimal",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": "unicode_casefold",
                    "blocking_instruction": "Call at bytecode instruction 1",
                    "name": "text_casefold",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": "unicode_normalize",
                    "blocking_instruction": "Call at bytecode instruction 2",
                    "name": "text_normalize",
                    "reason": "function calls a callee that is not available in the native subset",
                    "reason_code": "callee_requires_vm"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TextCaseFold",
                    "name": "unicode_casefold",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TextNormalize",
                    "name": "unicode_normalize",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_null",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_integer",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_real",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 5: BytesFromText",
                    "name": "sql_text",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeTodayLocal",
                    "name": "today_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeParseDate",
                    "name": "parse_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 1: TimeFormatUtcDate",
                    "name": "format_utc_date",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 2: TimeResolveLocal",
                    "name": "resolve_local",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  },
                  {
                    "blocking_callee": null,
                    "blocking_instruction": "bytecode instruction 0: TimeZoneDataVersion",
                    "name": "time_zone_data_version",
                    "reason": "native type inference could not prove the function's stack and control-flow types",
                    "reason_code": "unsupported_types_or_control_flow"
                  }
                ]
              },
              "program_execute_ns": 22982833,
              "source_compile_or_cache_ns": 753375
            },
            "runtime_profile_enabled": false
          }
        },
        "python_reference": {
          "median_seconds": 0.050729667011182755,
          "p95_seconds_nearest_rank": 0.053792708029504865,
          "samples_seconds": [
            0.052782208018470556,
            0.05065916705643758,
            0.0505503750173375,
            0.050341041991487145,
            0.0499527080100961,
            0.053792708029504865,
            0.05145558301592246,
            0.05104179203044623,
            0.05023916601203382,
            0.05057975003728643,
            0.050868666963651776,
            0.05276537500321865,
            0.05205150000983849,
            0.050172834016848356,
            0.050729667011182755
          ]
        },
        "python_warm": {
          "median_seconds": 0.032906416803598404,
          "p95_seconds_nearest_rank": 0.033607533399481325,
          "samples_seconds": [
            0.03342104179318994,
            0.03264655839884654,
            0.032906416803598404,
            0.033254049997776744,
            0.03269218319328502,
            0.03302082500886172,
            0.033227775001432744,
            0.03273722499143332,
            0.03256204179488122,
            0.03298086680006236,
            0.03263907500077039,
            0.03335417500929907,
            0.033607533399481325,
            0.032841425004880874,
            0.03289089999161661
          ]
        },
        "source_cache_states": {
          "guion_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ],
          "guion_source": [
            "miss",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit",
            "hit"
          ],
          "guion_source_uncached": [
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed",
            "bypassed"
          ],
          "guion_warm_artifact": [
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable",
            "not_applicable"
          ]
        }
      }
    }
  },
  "kind": "guion-source-loop-performance-report",
  "manifest": {
    "architecture": "arm64",
    "build_reused": false,
    "cargo_version": "cargo 1.97.1 (c980f4866 2026-06-30)",
    "commands": [
      [
        "cargo",
        "build",
        "--release",
        "--locked",
        "--offline",
        "-p",
        "guion-cli"
      ],
      [
        "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion",
        "--version"
      ],
      [
        "python3",
        "/Users/rmichaelthomas/guion/evaluation/completion/performance/runner.py",
        "--installed",
        "--binary",
        "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion"
      ]
    ],
    "duration_seconds": 274.6624676659703,
    "free_disk_bytes": 49698062336,
    "offline_dependencies_available": true,
    "outcomes": {
      "benchmark_groups": [
        "agent_application_cases",
        "cache_state",
        "existing_correctness_checked_suite",
        "memory_measurement",
        "source_run_lanes",
        "tiny_cli_launch",
        "tiny_source_phase_profile"
      ],
      "status": "passed"
    },
    "platform": "macOS-27.0.1-arm64-arm-64bit-Mach-O",
    "python_version": "3.14.7",
    "release_binary": "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion",
    "release_binary_sha256": "1143282a00aafe9765abd60236489c4dd171637de881bc82e4ff19a11b2847b4",
    "repository_root": "/Users/rmichaelthomas/guion",
    "rustc_version": "rustc 1.97.1 (8bab26f4f 2026-07-14)",
    "scratch_directory": "/Users/rmichaelthomas/guion/target/perf-session",
    "scratch_size_bytes": 1334524363,
    "source_fingerprint": "119bd3ae9f08d3d86207c7114752886a3c109254017f64f0066ae1de405ec24b",
    "source_revision": "e4354bfbfaf410fd0038f7f5e80aeace44ac731f",
    "target": {
      "architecture": "arm64",
      "os": "Darwin"
    },
    "working_directory": "/Users/rmichaelthomas/guion"
  },
  "memory_measurement": {
    "darwin_unit": "bytes",
    "method": "resource.getrusage(resource.RUSAGE_CHILDREN).ru_maxrss",
    "other_platform_unit": "kilobytes, converted to bytes",
    "process_pool_scope": "individual worker peaks; their sum is an upper bound, not a simultaneous process-tree peak",
    "single_process_scope": "direct child process"
  },
  "schema_version": 1,
  "source_run_lanes": {
    "mandelbrot-image": {
      "cache_state": {
        "prebuilt_artifact": "artifact load each process",
        "python_process": "fresh process each sample; OS file cache uncontrolled",
        "source_cache_available": true,
        "source_repeat": "cache hit after first run"
      },
      "cache_status_by_lane": {
        "guion_artifact": [
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable"
        ],
        "guion_source": [
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit"
        ],
        "python_reference": []
      },
      "cold_source_first_run": {
        "cache_bypassed": true,
        "cache_status": "bypassed",
        "command": [
          "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion",
          "run",
          "--json",
          "--no-cache",
          "/Users/rmichaelthomas/guion/target/perf-session/runs/20261105T025930798178Z/source-loop/mandelbrot-image/main.gu"
        ],
        "seconds": 0.01105983299203217
      },
      "paired_trial_order": [
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "guion_artifact",
          "guion_source",
          "python_reference"
        ],
        [
          "python_reference",
          "guion_source",
          "guion_artifact"
        ],
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "python_reference",
          "guion_artifact",
          "guion_source"
        ],
        [
          "guion_source",
          "python_reference",
          "guion_artifact"
        ]
      ],
      "phase_profiles": {
        "prebuilt_artifact": {
          "cache_status": "not_applicable",
          "elapsed_seconds_including_process_startup": 0.010060125030577183,
          "reported_phase_timings_ns": {
            "artifact_runtime_load_ns": 59208,
            "cli_to_report_excluding_process_startup_ns": 5189500,
            "compiler_pipeline": null,
            "input_artifact_decode_ns": 17875,
            "native_compilation": {
              "finalize_nanoseconds": 10667,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 49,
                  "cranelift_ir_blocks": 34,
                  "cranelift_ir_instructions": 425,
                  "define_nanoseconds": 658250,
                  "lowering_nanoseconds": 107166,
                  "name": "escape_steps",
                  "verification_nanoseconds": 61250
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 72,
                  "cranelift_ir_blocks": 47,
                  "cranelift_ir_instructions": 761,
                  "define_nanoseconds": 1035167,
                  "lowering_nanoseconds": 118750,
                  "name": "calculate",
                  "verification_nanoseconds": 79083
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 12,
                  "cranelift_ir_blocks": 20,
                  "cranelift_ir_instructions": 286,
                  "define_nanoseconds": 314791,
                  "lowering_nanoseconds": 33875,
                  "name": "main",
                  "verification_nanoseconds": 31709
                }
              ],
              "rejected_functions": []
            },
            "program_execute_ns": 4970625,
            "source_compile_or_cache_ns": null
          }
        },
        "uncached_source": {
          "cache_status": "bypassed",
          "elapsed_seconds_including_process_startup": 0.01013012503972277,
          "reported_phase_timings_ns": {
            "artifact_runtime_load_ns": 49166,
            "cli_to_report_excluding_process_startup_ns": 5660625,
            "compiler_pipeline": {
              "compile_program_ns": 172666,
              "compiler_backend": "rust",
              "modules": [
                {
                  "import_count": 0,
                  "import_resolution_ns": 0,
                  "parse_ns": 49834,
                  "path_validation_ns": 18500,
                  "source_bytes": 1060,
                  "source_name": "main.gu",
                  "source_read_ns": 14375
                }
              ],
              "rust_compiler_compile_ns": 320500
            },
            "input_artifact_decode_ns": null,
            "native_compilation": {
              "finalize_nanoseconds": 8792,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 49,
                  "cranelift_ir_blocks": 34,
                  "cranelift_ir_instructions": 425,
                  "define_nanoseconds": 673791,
                  "lowering_nanoseconds": 102375,
                  "name": "escape_steps",
                  "verification_nanoseconds": 61917
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 72,
                  "cranelift_ir_blocks": 47,
                  "cranelift_ir_instructions": 761,
                  "define_nanoseconds": 1098541,
                  "lowering_nanoseconds": 121125,
                  "name": "calculate",
                  "verification_nanoseconds": 80875
                },
                {
                  "bytecode_blocks": 2,
                  "bytecode_instructions": 12,
                  "cranelift_ir_blocks": 20,
                  "cranelift_ir_instructions": 286,
                  "define_nanoseconds": 317500,
                  "lowering_nanoseconds": 35208,
                  "name": "main",
                  "verification_nanoseconds": 31041
                }
              ],
              "rejected_functions": []
            },
            "program_execute_ns": 5087333,
            "source_compile_or_cache_ns": 404042
          }
        }
      },
      "python_first_timed_run": {
        "command": [
          "/private/tmp/claude-501/-Users-rmichaelthomas-guion/e58dfaea-845a-457c-9d79-ebbd7a98b583/scratchpad/venv/bin/python",
          "/Users/rmichaelthomas/guion/evaluation/development/famous_benchmarks/mandelbrot.py"
        ],
        "seconds": 0.0372798329917714
      },
      "repeat_and_artifact_lanes": {
        "guion_artifact": {
          "median_seconds": 0.009759708947967738,
          "p95_seconds_nearest_rank": 0.010424124950077385,
          "samples_seconds": [
            0.010424124950077385,
            0.009587167005520314,
            0.009751166042406112,
            0.009759708947967738,
            0.009590541012585163,
            0.010323333030100912,
            0.010141916980501264
          ]
        },
        "guion_source": {
          "median_seconds": 0.01105666602961719,
          "p95_seconds_nearest_rank": 0.01141070801531896,
          "samples_seconds": [
            0.01094229199225083,
            0.01105666602961719,
            0.010930415999609977,
            0.01141070801531896,
            0.011073999979998916,
            0.010721499973442405,
            0.011356208007782698
          ]
        },
        "python_reference": {
          "median_seconds": 0.037246416963171214,
          "p95_seconds_nearest_rank": 0.03772383299656212,
          "samples_seconds": [
            0.037246416963171214,
            0.03727600001730025,
            0.037087999982759356,
            0.037231041002087295,
            0.03772383299656212,
            0.03666775004239753,
            0.03732904099160805
          ]
        }
      }
    },
    "nbody-numeric": {
      "cache_state": {
        "prebuilt_artifact": "artifact load each process",
        "python_process": "fresh process each sample; OS file cache uncontrolled",
        "source_cache_available": true,
        "source_repeat": "cache hit after first run"
      },
      "cache_status_by_lane": {
        "guion_artifact": [
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable"
        ],
        "guion_source": [
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit"
        ],
        "python_reference": []
      },
      "cold_source_first_run": {
        "cache_bypassed": true,
        "cache_status": "bypassed",
        "command": [
          "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion",
          "run",
          "--json",
          "--no-cache",
          "/Users/rmichaelthomas/guion/target/perf-session/runs/20261105T025930798178Z/source-loop/nbody-numeric/main.gu"
        ],
        "seconds": 0.028557875019032508
      },
      "paired_trial_order": [
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "guion_artifact",
          "guion_source",
          "python_reference"
        ],
        [
          "python_reference",
          "guion_source",
          "guion_artifact"
        ],
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "python_reference",
          "guion_artifact",
          "guion_source"
        ],
        [
          "guion_source",
          "python_reference",
          "guion_artifact"
        ]
      ],
      "phase_profiles": {
        "prebuilt_artifact": {
          "cache_status": "not_applicable",
          "elapsed_seconds_including_process_startup": 0.027822291012853384,
          "reported_phase_timings_ns": {
            "artifact_runtime_load_ns": 265292,
            "cli_to_report_excluding_process_startup_ns": 22937042,
            "compiler_pipeline": null,
            "input_artifact_decode_ns": 30791,
            "native_compilation": {
              "finalize_nanoseconds": 11000,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 135,
                  "cranelift_ir_blocks": 76,
                  "cranelift_ir_instructions": 963,
                  "define_nanoseconds": 1537792,
                  "lowering_nanoseconds": 245791,
                  "name": "energy",
                  "verification_nanoseconds": 118125
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 224,
                  "cranelift_ir_blocks": 119,
                  "cranelift_ir_instructions": 1495,
                  "define_nanoseconds": 2229042,
                  "lowering_nanoseconds": 357583,
                  "name": "advance",
                  "verification_nanoseconds": 153625
                },
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 182,
                  "cranelift_ir_blocks": 68,
                  "cranelift_ir_instructions": 959,
                  "define_nanoseconds": 1281292,
                  "lowering_nanoseconds": 194292,
                  "name": "initial_system",
                  "verification_nanoseconds": 97875
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": "advance",
                  "blocking_instruction": "Call at bytecode instruction 8",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "program_execute_ns": 22478500,
            "source_compile_or_cache_ns": null
          }
        },
        "uncached_source": {
          "cache_status": "bypassed",
          "elapsed_seconds_including_process_startup": 0.02799187501659617,
          "reported_phase_timings_ns": {
            "artifact_runtime_load_ns": 251541,
            "cli_to_report_excluding_process_startup_ns": 23338541,
            "compiler_pipeline": {
              "compile_program_ns": 188625,
              "compiler_backend": "rust",
              "modules": [
                {
                  "import_count": 0,
                  "import_resolution_ns": 0,
                  "parse_ns": 127250,
                  "path_validation_ns": 20875,
                  "source_bytes": 4207,
                  "source_name": "main.gu",
                  "source_read_ns": 18833
                }
              ],
              "rust_compiler_compile_ns": 439792
            },
            "input_artifact_decode_ns": null,
            "native_compilation": {
              "finalize_nanoseconds": 15917,
              "functions": [
                {
                  "bytecode_blocks": 7,
                  "bytecode_instructions": 135,
                  "cranelift_ir_blocks": 76,
                  "cranelift_ir_instructions": 963,
                  "define_nanoseconds": 1545750,
                  "lowering_nanoseconds": 229958,
                  "name": "energy",
                  "verification_nanoseconds": 115375
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 224,
                  "cranelift_ir_blocks": 119,
                  "cranelift_ir_instructions": 1495,
                  "define_nanoseconds": 2237792,
                  "lowering_nanoseconds": 342375,
                  "name": "advance",
                  "verification_nanoseconds": 156041
                },
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 182,
                  "cranelift_ir_blocks": 68,
                  "cranelift_ir_instructions": 959,
                  "define_nanoseconds": 1385625,
                  "lowering_nanoseconds": 200250,
                  "name": "initial_system",
                  "verification_nanoseconds": 102625
                }
              ],
              "rejected_functions": [
                {
                  "blocking_callee": "advance",
                  "blocking_instruction": "Call at bytecode instruction 8",
                  "name": "main",
                  "reason": "function calls a callee that is not available in the native subset",
                  "reason_code": "callee_requires_vm"
                }
              ]
            },
            "program_execute_ns": 22433333,
            "source_compile_or_cache_ns": 521583
          }
        }
      },
      "python_first_timed_run": {
        "command": [
          "/private/tmp/claude-501/-Users-rmichaelthomas-guion/e58dfaea-845a-457c-9d79-ebbd7a98b583/scratchpad/venv/bin/python",
          "/Users/rmichaelthomas/guion/evaluation/development/famous_benchmarks/nbody.py"
        ],
        "seconds": 0.19384266599081457
      },
      "repeat_and_artifact_lanes": {
        "guion_artifact": {
          "median_seconds": 0.0278057919931598,
          "p95_seconds_nearest_rank": 0.03033612499712035,
          "samples_seconds": [
            0.027995542041026056,
            0.027729875000659376,
            0.029436459008138627,
            0.02736733399797231,
            0.027666332956869155,
            0.03033612499712035,
            0.0278057919931598
          ]
        },
        "guion_source": {
          "median_seconds": 0.029146542015951127,
          "p95_seconds_nearest_rank": 0.03064787498442456,
          "samples_seconds": [
            0.029146542015951127,
            0.03064787498442456,
            0.029799665964674205,
            0.02870383398840204,
            0.02928404201520607,
            0.028904083999805152,
            0.028589915949851274
          ]
        },
        "python_reference": {
          "median_seconds": 0.1939443750306964,
          "p95_seconds_nearest_rank": 0.1950007500126958,
          "samples_seconds": [
            0.1939443750306964,
            0.19418325001606718,
            0.1950007500126958,
            0.19470375002129003,
            0.1925766670028679,
            0.19363475003046915,
            0.19351695897057652
          ]
        }
      }
    },
    "richards-scheduler": {
      "cache_state": {
        "prebuilt_artifact": "artifact load each process",
        "python_process": "fresh process each sample; OS file cache uncontrolled",
        "source_cache_available": true,
        "source_repeat": "cache hit after first run"
      },
      "cache_status_by_lane": {
        "guion_artifact": [
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable",
          "not_applicable"
        ],
        "guion_source": [
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit",
          "hit"
        ],
        "python_reference": []
      },
      "cold_source_first_run": {
        "cache_bypassed": true,
        "cache_status": "bypassed",
        "command": [
          "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion",
          "run",
          "--json",
          "--no-cache",
          "/Users/rmichaelthomas/guion/target/perf-session/runs/20261105T025930798178Z/source-loop/richards-scheduler/main.gu"
        ],
        "seconds": 0.048898792010731995
      },
      "paired_trial_order": [
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "guion_artifact",
          "guion_source",
          "python_reference"
        ],
        [
          "python_reference",
          "guion_source",
          "guion_artifact"
        ],
        [
          "guion_artifact",
          "python_reference",
          "guion_source"
        ],
        [
          "python_reference",
          "guion_artifact",
          "guion_source"
        ],
        [
          "guion_source",
          "python_reference",
          "guion_artifact"
        ]
      ],
      "phase_profiles": {
        "prebuilt_artifact": {
          "cache_status": "not_applicable",
          "elapsed_seconds_including_process_startup": 0.027108540991321206,
          "reported_phase_timings_ns": {
            "artifact_runtime_load_ns": 727833,
            "cli_to_report_excluding_process_startup_ns": 21879458,
            "compiler_pipeline": null,
            "input_artifact_decode_ns": 42875,
            "native_compilation": {
              "finalize_nanoseconds": 18584,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 11,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 248,
                  "define_nanoseconds": 339666,
                  "lowering_nanoseconds": 70917,
                  "name": "next_worker_count",
                  "verification_nanoseconds": 42416
                },
                {
                  "bytecode_blocks": 9,
                  "bytecode_instructions": 46,
                  "cranelift_ir_blocks": 28,
                  "cranelift_ir_instructions": 351,
                  "define_nanoseconds": 404417,
                  "lowering_nanoseconds": 63542,
                  "name": "xor_d008",
                  "verification_nanoseconds": 39833
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 91,
                  "cranelift_ir_blocks": 42,
                  "cranelift_ir_instructions": 692,
                  "define_nanoseconds": 769667,
                  "lowering_nanoseconds": 137125,
                  "name": "route_packet",
                  "verification_nanoseconds": 68542
                },
                {
                  "bytecode_blocks": 103,
                  "bytecode_instructions": 796,
                  "cranelift_ir_blocks": 282,
                  "cranelift_ir_instructions": 4568,
                  "define_nanoseconds": 7229334,
                  "lowering_nanoseconds": 1710833,
                  "name": "main",
                  "verification_nanoseconds": 455209
                }
              ],
              "rejected_functions": []
            },
            "program_execute_ns": 20947000,
            "source_compile_or_cache_ns": null
          }
        },
        "uncached_source": {
          "cache_status": "bypassed",
          "elapsed_seconds_including_process_startup": 0.027845958014950156,
          "reported_phase_timings_ns": {
            "artifact_runtime_load_ns": 707167,
            "cli_to_report_excluding_process_startup_ns": 22830667,
            "compiler_pipeline": {
              "compile_program_ns": 250459,
              "compiler_backend": "rust",
              "modules": [
                {
                  "import_count": 0,
                  "import_resolution_ns": 0,
                  "parse_ns": 224416,
                  "path_validation_ns": 18125,
                  "source_bytes": 12104,
                  "source_name": "main.gu",
                  "source_read_ns": 14958
                }
              ],
              "rust_compiler_compile_ns": 626167
            },
            "input_artifact_decode_ns": null,
            "native_compilation": {
              "finalize_nanoseconds": 22292,
              "functions": [
                {
                  "bytecode_blocks": 4,
                  "bytecode_instructions": 11,
                  "cranelift_ir_blocks": 17,
                  "cranelift_ir_instructions": 248,
                  "define_nanoseconds": 335375,
                  "lowering_nanoseconds": 67791,
                  "name": "next_worker_count",
                  "verification_nanoseconds": 41292
                },
                {
                  "bytecode_blocks": 9,
                  "bytecode_instructions": 46,
                  "cranelift_ir_blocks": 28,
                  "cranelift_ir_instructions": 351,
                  "define_nanoseconds": 398792,
                  "lowering_nanoseconds": 61667,
                  "name": "xor_d008",
                  "verification_nanoseconds": 38166
                },
                {
                  "bytecode_blocks": 10,
                  "bytecode_instructions": 91,
                  "cranelift_ir_blocks": 42,
                  "cranelift_ir_instructions": 692,
                  "define_nanoseconds": 779500,
                  "lowering_nanoseconds": 134417,
                  "name": "route_packet",
                  "verification_nanoseconds": 67958
                },
                {
                  "bytecode_blocks": 103,
                  "bytecode_instructions": 796,
                  "cranelift_ir_blocks": 282,
                  "cranelift_ir_instructions": 4568,
                  "define_nanoseconds": 7471083,
                  "lowering_nanoseconds": 1705458,
                  "name": "main",
                  "verification_nanoseconds": 467792
                }
              ],
              "rejected_functions": []
            },
            "program_execute_ns": 21275042,
            "source_compile_or_cache_ns": 714833
          }
        }
      },
      "python_first_timed_run": {
        "command": [
          "/private/tmp/claude-501/-Users-rmichaelthomas-guion/e58dfaea-845a-457c-9d79-ebbd7a98b583/scratchpad/venv/bin/python",
          "/Users/rmichaelthomas/guion/evaluation/development/famous_benchmarks/richards_reference.py"
        ],
        "seconds": 0.07903604104649276
      },
      "repeat_and_artifact_lanes": {
        "guion_artifact": {
          "median_seconds": 0.027245665958616883,
          "p95_seconds_nearest_rank": 0.027390292030759156,
          "samples_seconds": [
            0.027390292030759156,
            0.026986291981302202,
            0.027026332973036915,
            0.02690529200481251,
            0.02738408400909975,
            0.027316124993376434,
            0.027245665958616883
          ]
        },
        "guion_source": {
          "median_seconds": 0.028525166970212013,
          "p95_seconds_nearest_rank": 0.030020874983165413,
          "samples_seconds": [
            0.028672499989625067,
            0.028525166970212013,
            0.028745374991558492,
            0.028450375015381724,
            0.030020874983165413,
            0.028042917023412883,
            0.02844766597263515
          ]
        },
        "python_reference": {
          "median_seconds": 0.064649083011318,
          "p95_seconds_nearest_rank": 0.06604825000977144,
          "samples_seconds": [
            0.06461516697891057,
            0.06498133298009634,
            0.064649083011318,
            0.0638322500162758,
            0.06604825000977144,
            0.06545229197945446,
            0.06391170900315046
          ]
        }
      }
    }
  },
  "status": "passed",
  "tiny_cli_launch": {
    "command": [
      "/Users/rmichaelthomas/guion/target/perf-session/cargo/release/guion",
      "--version"
    ],
    "median_seconds": 0.004438042000401765,
    "p95_seconds_nearest_rank": 0.004879334010183811,
    "samples_seconds": [
      0.004845249990466982,
      0.004100374993868172,
      0.004879334010183811,
      0.0040134170558303595,
      0.004100916034076363,
      0.004438042000401765,
      0.004764667013660073
    ],
    "verified_stdout": "guion 0.1.0 (artifact format 61, timezone data 2026c)"
  },
  "tiny_source_phase_profile": {
    "cache_status": "bypassed",
    "elapsed_seconds_including_process_startup": 0.004625667002983391,
    "peak_memory_bytes": 4440064,
    "reported_phase_timings_ns": {
      "artifact_runtime_load_ns": 23542,
      "cli_to_report_excluding_process_startup_ns": 368250,
      "compiler_pipeline": {
        "compile_program_ns": 12292,
        "compiler_backend": "rust",
        "modules": [
          {
            "import_count": 0,
            "import_resolution_ns": 0,
            "parse_ns": 15625,
            "path_validation_ns": 18083,
            "source_bytes": 49,
            "source_name": "main.gu",
            "source_read_ns": 14083
          }
        ],
        "rust_compiler_compile_ns": 113750
      },
      "input_artifact_decode_ns": null,
      "native_compilation": {
        "finalize_nanoseconds": 0,
        "functions": [],
        "rejected_functions": [
          {
            "blocking_callee": null,
            "blocking_instruction": "bytecode instruction 1: Print",
            "name": "main",
            "reason": "native type inference could not prove the function's stack and control-flow types",
            "reason_code": "unsupported_types_or_control_flow"
          }
        ]
      },
      "program_execute_ns": 35459,
      "source_compile_or_cache_ns": 203875
    }
  }
}
