{
  "schemaVersion": "fidc-instrument-symbol-id-index-ab/v1",
  "measuredAt": "2026-09-04T14:31:25Z",
  "host": "192.168.31.177",
  "engineCommit": "8ed22897eac506297c9ab4023140fbb6cfa0cc26",
  "serviceCommit": "9fd5a9e6d5668af57f6942fc3c4127953545d9c6",
  "serviceBinarySha256": "24b53421e8724a29963e3254d9dea33c0a2259a81567caa853b98369df7cf704",
  "runnerBinarySha256": "0d314809675544fed19ba0888ae22e0098f87da1672ac692fe38f3dbd3b55c70",
  "implementation": {
    "description": "build one immutable Instrument vector aligned to the existing symbol-id index and use it only at call sites that already own a validated symbol id",
    "stringInstrumentApiPreserved": true,
    "mutableStateShared": false,
    "riskSemanticsChanged": false,
    "executionSemanticsChanged": false
  },
  "componentBenchmark": {
    "rows": 6000,
    "iterations": 1000,
    "hashMapSeconds": 0.09067713,
    "denseVectorSeconds": 0.010526148,
    "speedup": 8.614464664566752,
    "checksum": 600000000,
    "equal": true
  },
  "testGate": {
    "total": 417,
    "passed": 413,
    "ignoredManualBenchmarks": 4,
    "failed": 0
  },
  "backtestContract": {
    "bundleId": "bt_bundle_5baf27b98346123e1a7b",
    "bundleHash": "68571cc2c3082cacf1774e681d6ff82d1beddb4241cebc2179f9235001cd730f",
    "startDate": "2021-08-23",
    "endDate": "2026-08-28",
    "frequency": "1d",
    "matchingType": "next_bar_open",
    "totalReturn": 0.9219861819172002,
    "tradeCount": 26088,
    "tradeDateCount": 1216,
    "canonicalSha256": "b42fea66237d06eadb24f6b8c9e2760e7319fe3699f315b99e01f433ef2aa234",
    "resultStoreSha256": "92343fb369fea68b2544b654151c5c43a935940580b14afbe8eefb3844f72a54"
  },
  "before": {
    "runtime": "5dec29a0d6ee",
    "lowOverheadEngineSeconds": [7.363, 6.922, 6.917],
    "medianEngineSeconds": 6.922
  },
  "after": {
    "processColdRun": {
      "runId": "btr_1788533379797_2361496_0",
      "totalSeconds": 20.534,
      "dataSeconds": 13.02,
      "engineSeconds": 6.377
    },
    "hotRuns": [
      {"runId": "btr_1788533414497_2361496_1", "totalSeconds": 7.182, "engineSeconds": 6.517},
      {"runId": "btr_1788533424201_2361496_2", "totalSeconds": 7.164, "engineSeconds": 6.482},
      {"runId": "btr_1788533436894_2361496_3", "totalSeconds": 7.289, "engineSeconds": 6.48},
      {"runId": "btr_1788533447093_2361496_4", "totalSeconds": 7.367, "engineSeconds": 6.477}
    ],
    "medianHotEngineSeconds": 6.481,
    "medianEngineImprovementPercent": 6.37,
    "lowOverheadProfileRun": {
      "runId": "btr_1788533478319_2361496_5",
      "totalSeconds": 6.917,
      "engineSeconds": 6.251,
      "sampleCount": 332,
      "lostSamples": 0
    },
    "serviceMemoryCurrentBytes": 11426889728,
    "serviceMemoryPeakBytes": 11434971136
  },
  "artifacts": [
    {
      "path": "/srv/fidc/canonical/run/fidc-private/evidence/instrument-symbol-id-profile-20260904/hot-five-year-perf.data",
      "sha256": "a3d788f8e6ad799604b83019a4403fee509d6c955606f46bd721960e3d38433b"
    },
    {
      "path": "/srv/fidc/canonical/run/fidc-private/evidence/instrument-symbol-id-profile-20260904/hot-five-year-perf-report.txt",
      "sha256": "dbd3004b6ab2719e67b34ca4c6d98f908053f6f28f617bd1c1969552b0f14291"
    },
    {
      "path": "/srv/fidc/canonical/run/fidc-private/evidence/instrument-symbol-id-profile-20260904/hot-five-year-run.json",
      "sha256": "092276999525532005a815ab9d2588ee8865b4652c11367ca9ffe52b6a601557"
    }
  ]
}