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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/GameWindow.cs
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@ -8847,8 +8847,12 @@ public sealed class GameWindow : IDisposable
long cpuP95HundredthsUs = TerrainDiagPercentile95Micros(_terrainCpuSamples);
double cpuMedUs = cpuMedHundredthsUs / 100.0;
double cpuP95Us = cpuP95HundredthsUs / 100.0;
// A.5 T23: flag when terrain dispatcher median exceeds 1.0ms budget
// (Phase A.5 spec §2 acceptance criterion 6). Grep-friendly prefix.
const double TerrainBudgetUs = 1000.0;
string terrainBudgetFlag = cpuMedUs > TerrainBudgetUs ? " BUDGET_OVER" : "";
Console.WriteLine(
$"[TERRAIN-DIAG] cpu_us={cpuMedUs:F2}m/{cpuP95Us:F2}p95 " +
$"[TERRAIN-DIAG]{terrainBudgetFlag} cpu_us={cpuMedUs:F2}m/{cpuP95Us:F2}p95 " +
$"draws={_terrain?.VisibleSlots ?? 0}/frame " +
$"visible={_terrain?.VisibleSlots ?? 0} " +
$"loaded={_terrain?.LoadedSlots ?? 0} " +