{
  "header_revision": "cb2b029a657d2bbcd7135265cb3060b2b11cd961",
  "primary_harness_revision": "867d0e683472f0491817489d9e59761b5b366040",
  "compiled_primary_harness_sha256": "60515e6eba56c82304e84c9f4034cacca391aa6005bf8093158e46ab58d5ba2a",
  "compiler": "Apple clang version 21.0.0 (clang-2100.1.1.101)",
  "flags": [
    "-std=c++20",
    "-O3",
    "-g",
    "-DNDEBUG",
    "-Wall",
    "-Wextra",
    "-Werror"
  ],
  "host": "Apple M2 Max",
  "profile_template": "Time Profiler",
  "profile_sample_us": 1000,
  "profile_duration_s": 10,
  "retained_profile_duration_s": 8,
  "selector_checks": {
    "variants": [
      "base",
      "sub32",
      "packed",
      "direct32",
      "direct64"
    ],
    "selections_per_variant": 213460,
    "flags": [
      "-O1",
      "-g",
      "-fsanitize=address,undefined",
      "-Wall",
      "-Wextra",
      "-Werror"
    ],
    "result": "passed"
  },
  "audit": "96 operation-count rows; audit timings discarded",
  "measurement_boundary": "fresh mapped file preparation before warm whole-query timing; no durability barriers",
  "source_notes": "Primary and alternatives executables use the same frozen benchmark source; the size panel adds an explicit return 0 to the included helper main. Header manifests identify every generated header."
}