From db155e7ad0627b8f8686ce9ec18d5a5707ed4c38 Mon Sep 17 00:00:00 2001
From: boris <shuaibo.zhang@hotmail.com>
Date: Sat, 5 Sep 2026 00:03:53 +0800
Subject: [PATCH] docs: record stock-state calendar index benchmark

---
 ...k-state-calendar-index-reuse-20260905.json | 92 +++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 docs/evidence/stock-state-calendar-index-reuse-20260905.json

diff --git a/docs/evidence/stock-state-calendar-index-reuse-20260905.json b/docs/evidence/stock-state-calendar-index-reuse-20260905.json
new file mode 100644
index 0000000..ecbf245
--- /dev/null
+++ b/docs/evidence/stock-state-calendar-index-reuse-20260905.json
@@ -0,0 +1,92 @@
+{
+  "schemaVersion": "fidc-stock-state-calendar-index-reuse-ab/v1",
+  "measuredAt": "2026-09-05T00:02:00+08:00",
+  "host": "192.168.31.177",
+  "engineCommit": "6d458dbbc6fa3acb1bff0824307281c82170031a",
+  "serviceCommit": "9fd5a9e6d5668af57f6942fc3c4127953545d9c6",
+  "serviceBinarySha256": "bcd918407de2aa3fdc230d8e9976be5cbf5d3b53185f2a528d55beb10f5f1552",
+  "runnerBinarySha256": "e33dd75aa7b481975c0991cf634d07900cdefa51756802e28e64f18b980a83dc",
+  "implementation": {
+    "description": "resolve the trading-calendar index once when the per-day stock-state cache advances, then reuse it for decision and current rolling-series boundaries",
+    "cachedFactorValues": false,
+    "cachedSelectionResults": false,
+    "cachedOrderState": false,
+    "pitSemanticsChanged": false,
+    "adjustmentSemanticsChanged": false,
+    "fallback": "dates outside the indexed calendar retain the existing date-based rolling fallback"
+  },
+  "componentBenchmark": {
+    "samples": 6,
+    "iterationsPerSample": 5000000,
+    "dateLookupSeconds": 0.400282218,
+    "reusedCalendarIndexSeconds": 0.070751718,
+    "speedup": 5.657561813552005,
+    "checksum": 90000000,
+    "equal": true
+  },
+  "testGate": {
+    "coreUnitTotal": 419,
+    "corePassed": 413,
+    "ignoredManualBenchmarks": 6,
+    "failed": 0,
+    "integrationSuitesPassed": true
+  },
+  "primaryFiveYearContract": {
+    "startDate": "2021-08-23",
+    "endDate": "2026-08-28",
+    "frequency": "1d",
+    "matchingType": "next_bar_open",
+    "totalReturn": 0.9219861819172002,
+    "tradeCount": 26088,
+    "canonicalSha256": "b42fea66237d06eadb24f6b8c9e2760e7319fe3699f315b99e01f433ef2aa234",
+    "resultStoreSha256": "92343fb369fea68b2544b654151c5c43a935940580b14afbe8eefb3844f72a54",
+    "beforeEngineSeconds": [6.764, 6.391, 12.387],
+    "beforeMedianEngineSeconds": 6.764,
+    "afterHotEngineSeconds": [6.224, 6.497, 6.405, 6.539, 6.386],
+    "afterMedianEngineSeconds": 6.405,
+    "observedMedianImprovementPercent": 5.307510348905976,
+    "benchmarkSummaryProcessHotMedianSeconds": {
+      "before": 9.389,
+      "after": 6.451
+    },
+    "note": "The explicit all-run medians are reported above. The benchmark tool excludes its first run when calculating processHotMedian; concurrent non-FIDC load makes the tool summary less comparable than the complete sample list."
+  },
+  "secondaryFiveYearContract": {
+    "description": "same frozen source and execution contract with target positions changed from 30 to 20",
+    "totalReturn": 1.1342962298106998,
+    "tradeCount": 19404,
+    "canonicalSha256": "0dbd3fad624097c673c4a5ec2f545f95e9c21d1d5337bb2b48ffeb22b16cb2b9",
+    "resultStoreSha256": "416d2f87241fb4c6b917f6aeecb588f82f6e7d51a103f4c53a74d11971f16839",
+    "engineSeconds": [6.217, 9.279, 10.771],
+    "resultConsistent": true,
+    "performanceClaimed": false,
+    "reason": "two runs overlapped high external host contention; the strategy is retained as cross-strategy semantic evidence only"
+  },
+  "excludedHighContentionBatch": {
+    "hostLoadAverageObserved": [65.08, 44.49, 35.56],
+    "engineSeconds": [11.601, 12.061, 33.904, 23.149, 7.391],
+    "resultConsistent": true,
+    "performanceComparisonExcluded": true,
+    "reason": "independent tan processes and active FIDC symbolic workers caused material host scheduling contention; no external process was modified"
+  },
+  "runtime": {
+    "servicePid": 2548679,
+    "serviceUser": "boris",
+    "serviceState": "active/running",
+    "allowedCpus": "0 2 4 6 8 10 12 14 48 50 52 54 56 58 60 62",
+    "memoryCurrentBytes": 11426254848,
+    "memoryPeakBytes": 11427790848,
+    "maxConcurrentRuns": 1,
+    "runnerThreadsPerRun": 8
+  },
+  "remoteArtifacts": [
+    "/srv/fidc/canonical/run/fidc-private/evidence/calendar-index-before-20260904.json",
+    "/srv/fidc/canonical/run/fidc-private/evidence/calendar-index-after-20260904.json",
+    "/srv/fidc/canonical/run/fidc-private/evidence/calendar-index-after-hot-20260904.json",
+    "/srv/fidc/canonical/run/fidc-private/evidence/calendar-index-secondary-20260905.json"
+  ],
+  "acceptance": {
+    "status": "accepted_component_and_primary_end_to_end_no_regression",
+    "reason": "the component path is materially faster, the stable primary five-year batch improves, and both frozen business contracts preserve exact returns, trade counts, canonical digests, result-store digests, and clean terminal audits"
+  }
+}