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feat(A.5 T23): BUDGET_OVER flag in [WB-DIAG] / [TERRAIN-DIAG]

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Per Phase A.5 spec §2 acceptance criterion 6: entity dispatcher median
≤ 2.0ms; terrain dispatcher median ≤ 1.0ms at standstill. When the
median exceeds the budget, prefix the DIAG line with " BUDGET_OVER" so
the regression is grep-friendly during perf testing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-05-10 08:28:45 +02:00
parent 3b684db0f1
commit c473feedb3
2 changed files with 10 additions and 2 deletions
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6
src/AcDream.App/Rendering/Wb/WbDrawDispatcher.cs
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@ -583,8 +583,12 @@ public sealed unsafe class WbDrawDispatcher : IDisposable
long cpuP95 = Percentile95Micros(_cpuSamples);
long gpuMed = MedianMicros(_gpuSamples);
long gpuP95 = Percentile95Micros(_gpuSamples);
// A.5 T23: flag when entity dispatcher median exceeds 2.0ms budget
// (Phase A.5 spec §2 acceptance criterion 6). Grep-friendly prefix.
const long BudgetUs = 2000;
string budgetFlag = cpuMed > BudgetUs ? " BUDGET_OVER" : "";
Console.WriteLine(
$"[WB-DIAG] entSeen={_entitiesSeen} entDrawn={_entitiesDrawn} meshMissing={_meshesMissing} drawsIssued={_drawsIssued} instances={_instancesIssued} groups={_groups.Count} " +
$"[WB-DIAG]{budgetFlag} entSeen={_entitiesSeen} entDrawn={_entitiesDrawn} meshMissing={_meshesMissing} drawsIssued={_drawsIssued} instances={_instancesIssued} groups={_groups.Count} " +
$"cpu_us={cpuMed}m/{cpuP95}p95 gpu_us={gpuMed}m/{gpuP95}p95");
_entitiesSeen = _entitiesDrawn = _meshesMissing = _drawsIssued = _instancesIssued = 0;
_lastLogTick = now;