boris
96 lines
4.2 KiB
JSON
96 lines
4.2 KiB
JSON
{
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"schemaVersion": "fidc-interned-stock-state-symbols/v1",
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"measuredAt": "2026-09-05T01:50:00+08:00",
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"host": "192.168.31.177",
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"engineCommit": "e5646ef80c9a5c6d2d3a1b9b6f330fbbc27aa4ab",
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"runnerBinarySha256": "c2f6f0b8cc194a5e3f668bcc0d54b3712cf037267ccc6c04d5f850d8ccbd6314",
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"implementation": {
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"description": "intern each canonical symbol once in DataSet and clone Arc<str> into per-date StockExpressionState objects instead of allocating a String for every state",
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"rhaiStringBoundaryPreserved": true,
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"crossDateSharedSymbolTested": true,
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"cachedFactorValues": false,
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"cachedSelectionResults": false,
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"pitSemanticsChanged": false
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},
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"primaryFiveYearContract": {
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"startDate": "2021-08-23",
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"endDate": "2026-08-28",
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"frequency": "1d",
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"matchingType": "next_bar_open",
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"totalReturn": 0.9219861819172002,
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"tradeCount": 26088,
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"canonicalSha256": "b42fea66237d06eadb24f6b8c9e2760e7319fe3699f315b99e01f433ef2aa234",
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"resultStoreSha256": "92343fb369fea68b2544b654151c5c43a935940580b14afbe8eefb3844f72a54",
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"lowContentionEngineSeconds": [5.505, 5.748, 5.67, 6.005, 6.497],
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"medianEngineSeconds": 5.748,
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"compactKeyBaselineMedianEngineSeconds": 5.734,
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"resultConsistent": true,
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"terminalAuditStatus": "clean"
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},
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"secondaryFiveYearContract": {
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"totalReturn": 1.1342962298106998,
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"tradeCount": 19404,
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"canonicalSha256": "0dbd3fad624097c673c4a5ec2f545f95e9c21d1d5337bb2b48ffeb22b16cb2b9",
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"resultStoreSha256": "416d2f87241fb4c6b917f6aeecb588f82f6e7d51a103f4c53a74d11971f16839",
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"engineSeconds": [5.648, 5.35, 5.003],
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"medianEngineSeconds": 5.35,
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"resultConsistent": true,
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"terminalAuditStatus": "clean"
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},
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"hardwareCounters": {
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"candidateRunId": "btr_1788544043073_3041540_6",
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"candidateEngineSeconds": 8.227,
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"candidateInstructions": 27997441984,
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"candidateBranches": 4947191270,
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"earlierSharedIndexBaselineInstructions": 28218847364,
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"earlierSharedIndexBaselineBranches": 5024236708,
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"observedInstructionReductionPercent": 0.7846044523842924,
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"observedBranchReductionPercent": 1.533451728719079,
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"attributionNote": "the earlier hardware baseline predates the compact cache-key change, so counters prove the combined structural reduction rather than symbol interning alone"
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},
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"profile": {
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"runId": "btr_1788544253262_3041540_15",
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"totalSeconds": 6.136,
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"engineSeconds": 5.509,
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"eventCycles": 15296376746,
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"stockStatePercent": 16.25,
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"preInternStockStatePercent": 23.86,
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"mallocPercent": 4.22,
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"numericVmPercent": 6.02,
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"adjustedCloseMovingAveragePercent": 5.10
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},
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"excludedHighContentionBatch": {
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"hostLoadAveragePeak": 69.23,
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"engineSeconds": [7.247, 7.094, 7.481, 7.967, 37.981, 44.366],
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"resultConsistent": true,
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"performanceComparisonExcluded": true,
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"reason": "independent tan child processes executed on backtest-reserved CPUs; no external process was modified"
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},
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"memory": {
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"serviceCgroupCurrentBytes": 11485425664,
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"serviceCgroupPeakBytes": 11488174080,
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"processRssKiB": 11196756,
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"processAnonymousKiB": 11180328
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},
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"testGate": {
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"coreUnitTotal": 420,
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"corePassed": 414,
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"ignoredManualBenchmarks": 6,
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"failed": 0,
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"integrationSuitesPassed": true
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},
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"remoteArtifacts": [
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"/srv/fidc/canonical/run/fidc-private/evidence/interned-stock-symbol-20260905.json",
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"/srv/fidc/canonical/run/fidc-private/evidence/interned-stock-symbol-low-contention-20260905.json",
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"/srv/fidc/canonical/run/fidc-private/evidence/interned-stock-symbol-secondary-20260905.json",
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"/srv/fidc/canonical/run/fidc-private/evidence/interned-stock-symbol-perf-stat-20260905/perf-stat.csv",
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"/srv/fidc/canonical/run/fidc-private/evidence/interned-stock-symbol-profile-20260905/perf.data",
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"/srv/fidc/canonical/run/fidc-private/evidence/interned-stock-symbol-profile-20260905/perf-report.txt"
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],
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"acceptance": {
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"status": "accepted_structural_allocation_reduction_no_regression",
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"endToEndSpeedupClaimed": false,
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"reason": "both five-year strategies preserve exact outputs, low-contention wall time is neutral, and the stock-state profile plus hardware counters show less allocation-related work"
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}
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}
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