{
  "schemaVersion": "fidc-symbol-id-series-storage/v1",
  "measuredAt": "2026-09-06T06:25:00+08:00",
  "host": "192.168.31.177",
  "engineCommit": "5a7c49a",
  "serviceCommit": "61a478839674ab03356083fb777840342ad4c726",
  "implementation": {
    "description": "build market and adjusted-close series directly in immutable symbol-id vectors and route string helpers through the canonical symbol-id index",
    "removedStructures": [
      "market_series_by_symbol AHashMap",
      "adjusted_close_series_by_symbol AHashMap",
      "second Arc copy from string maps into symbol-id vectors"
    ],
    "publicDataHelpersChanged": false,
    "rollingSemanticsChanged": false,
    "adjustmentSemanticsChanged": false,
    "pitSemanticsChanged": false,
    "selectionResultsCached": false,
    "netSourceLines": -10
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        "dataSeconds": 14.052,
        "datasetConstructSeconds": 4.448
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      {
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        "totalSeconds": 17.858,
        "dataSeconds": 13.878,
        "datasetConstructSeconds": 4.546
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    ],
    "datasetConstructMedianSeconds": 4.497
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  "primaryFiveYearContract": {
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    "totalReturn": 0.9219861819172002,
    "tradeCount": 26088,
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    "resultStoreSha256": "9ccf0c0fc6f5d72e974381ad4cd09a80241d7de99f2649f2b01736f7c80dc2c7",
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    "hotTotalMedianSeconds": 3.402,
    "hotEngineMedianSeconds": 2.792,
    "terminalAuditStatus": "clean",
    "resultConsistent": true
  },
  "secondaryFiveYearContract": {
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    "resultStoreSha256": "dd744dd6710bc28bb4ecd9ca912051292b9a1eefa0056e02c62a38cad85cf435",
    "coldTotalSeconds": 15.292,
    "coldDataSeconds": 12.238,
    "datasetConstructSeconds": 3.895,
    "terminalAuditStatus": "clean",
    "resultConsistent": true
  },
  "genericRankFiveYearContract": {
    "runId": "btr_1788647058500_2773606_8",
    "rankBy": "free_float_cap",
    "totalReturn": 0.7140315244542004,
    "tradeCount": 21876,
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    "resultStoreSha256": "865c00f81d17153285e391eb48ea51487e33fd3bba55a6c2a0ca280b07511077",
    "coldTotalSeconds": 16.739,
    "coldDataSeconds": 11.512,
    "datasetConstructSeconds": 3.663,
    "terminalAuditStatus": "clean",
    "resultConsistent": true
  },
  "minuteContract": {
    "runId": "btr_1788647032685_2773606_6",
    "totalReturn": 0.03473222656500008,
    "tradeCount": 156,
    "canonicalSha256": "457c086b1bca784fe83f447bb22451925e8f022456bb0fc7b54237a7a7886849",
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    "coldTotalSeconds": 0.814,
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    "terminalAuditStatus": "clean",
    "resultConsistent": true
  },
  "performance": {
    "candidateDatasetConstructSeconds": [3.899, 3.895, 3.663],
    "candidateDatasetConstructMedianSeconds": 3.895,
    "datasetConstructMedianImprovementPercent": 13.386702,
    "primaryColdDataImprovementPercent": 7.659605,
    "primaryColdTotalImprovementPercent": 8.601187,
    "wallComparisonsIncludeHostLoadVariance": true
  },
  "memory": {
    "singleDatasetCandidateCurrentBytes": 11495055360,
    "singleDatasetBaselineCurrentBytes": 11470495744,
    "comparison": "within allocator and concurrent workload variance; no memory reduction claimed",
    "repeatedManualCacheClearHighWaterExcluded": true
  },
  "testGate": {
    "corePassed": 538,
    "ignoredManualBenchmarks": 8,
    "failed": 0
  },
  "remoteArtifacts": [
    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-primary-five-year-20260906.json",
    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-secondary-five-year-20260906.json",
    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-generic-rank-five-year-20260906.json",
    "/srv/fidc/canonical/run/fidc-private/evidence/symbol-id-series-minute-20260906.json"
  ],
  "acceptance": {
    "status": "accepted",
    "reason": "three independent cold five-year builds reduce DataSet construction time, four distinct strategy contracts preserve exact canonical outputs, and duplicate string-keyed series indexes are removed rather than hidden behind another cache"
  }
}