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fidc-backtest-engine/docs/evidence/stock-snapshot-field-projection-20260905.json
2026-09-05 02:13:00 +08:00

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{
"schemaVersion": "fidc-stock-snapshot-field-projection/v1",
"measuredAt": "2026-09-05T02:11:00+08:00",
"host": "192.168.31.177",
"engineCommit": "7f17fa1fb427fefe5c70c9170fe98e2a8761e3ac",
"serviceCommit": "9fd5a9e6d5668af57f6942fc3c4127953545d9c6",
"runnerBinarySha256": "0c0ea8629afa789024a6212bcb7ac0e8291f6a88943dd9f7bee16d4902c96be1",
"implementation": {
"description": "compile per-strategy requirements for amount and upper/lower limit-touch fields, then skip their factor-map lookups and fallback calculations when no expression consumes them",
"dynamicFactorMapStillLoadsAllFields": true,
"explicitActionsStillLoadAllFields": true,
"factorValuesCached": false,
"selectionResultsCached": false,
"pitSemanticsChanged": false,
"executionSemanticsChanged": false
},
"primaryFiveYearContract": {
"startDate": "2021-08-23",
"endDate": "2026-08-28",
"frequency": "1d",
"matchingType": "next_bar_open",
"totalReturn": 0.9219861819172002,
"tradeCount": 26088,
"canonicalSha256": "b42fea66237d06eadb24f6b8c9e2760e7319fe3699f315b99e01f433ef2aa234",
"resultStoreSha256": "92343fb369fea68b2544b654151c5c43a935940580b14afbe8eefb3844f72a54",
"processCold": {
"totalSeconds": 18.368,
"dataSeconds": 12.691,
"engineSeconds": 4.952
},
"processHotEngineSeconds": [5.434, 4.762, 5.269, 5.366, 5.356],
"processHotMedianEngineSeconds": 5.356,
"compactKeyBaselineMedianEngineSeconds": 5.734,
"observedMedianImprovementPercent": 6.592256714335544,
"resultConsistent": true,
"terminalAuditStatus": "clean"
},
"secondaryFiveYearContract": {
"totalReturn": 1.1342962298106998,
"tradeCount": 19404,
"canonicalSha256": "0dbd3fad624097c673c4a5ec2f545f95e9c21d1d5337bb2b48ffeb22b16cb2b9",
"resultStoreSha256": "416d2f87241fb4c6b917f6aeecb588f82f6e7d51a103f4c53a74d11971f16839",
"lowContentionEngineSeconds": [4.867, 4.36],
"highContentionEngineSecondsExcluded": [32.561, 24.001],
"resultConsistent": true,
"terminalAuditStatus": "clean"
},
"hardwareCounters": {
"candidateRunId": "btr_1788545432236_3086752_11",
"candidateEngineSeconds": 5.291,
"candidateInstructions": 26663937176,
"candidateBranches": 4751846020,
"candidateBranchMisses": 21422590,
"internedSymbolBaselineInstructions": 27997441984,
"internedSymbolBaselineBranches": 4947191270,
"observedInstructionReductionPercent": 4.762952303864304,
"observedBranchReductionPercent": 3.9486092075029067
},
"profile": {
"runId": "btr_1788545382848_3086752_10",
"engineSeconds": 5.009,
"eventCycles": 13976422355,
"stockStateSelfPercent": 12.52,
"internedSymbolBaselineStockStatePercent": 16.25,
"stockStateRelativeReductionPercent": 22.953846153846154,
"factorMapBTreeGetBaselinePercent": 4.0,
"factorMapBTreeGetPresentInCandidateTopProfile": false
},
"testGate": {
"coreUnitTotal": 421,
"corePassed": 415,
"ignoredManualBenchmarks": 6,
"failed": 0,
"integrationSuitesPassed": true
},
"remoteArtifacts": [
"/srv/fidc/canonical/run/fidc-private/evidence/stock-snapshot-field-projection-primary-20260905.json",
"/srv/fidc/canonical/run/fidc-private/evidence/stock-snapshot-field-projection-secondary-20260905.json",
"/srv/fidc/canonical/run/fidc-private/evidence/stock-snapshot-field-projection-profile-20260905/perf.data",
"/srv/fidc/canonical/run/fidc-private/evidence/stock-snapshot-field-projection-profile-20260905/perf-report.txt",
"/srv/fidc/canonical/run/fidc-private/evidence/stock-snapshot-field-projection-perf-stat-20260905/perf-stat.csv"
],
"acceptance": {
"status": "accepted_generic_compiled_field_projection",
"reason": "two distinct five-year contracts preserve exact business outputs and terminal audits, while the primary low-contention median, hardware counters, and profile all show less work without adding a shared mutable cache"
}
}