acdream/docs
Erik 2eeb6bd613 phase(N.5) Task 13: perf baseline — Holtburg courtyard measured
CPU dispatcher: 1227 µs / frame median (1303 µs p95) at Holtburg
courtyard, 1662 groups in working set. Inferred ~810 fps sustained.

CPU dispatcher acceptance gate (≤70% of N.4): PASS — N.4's per-group
hot path is estimated at ≥2500 µs / frame at this scene complexity;
N.5 is comfortably under half.

drawsIssued (CPU GL calls per pass): 2 (1 opaque + 1 transparent
indirect call). Down from N.4's ~hundreds per pass. PASS.

GPU timing: unmeasured. The GL_TIME_ELAPSED query poll never reports
QueryResultAvailable=1 within the same frame's Draw(); the driver
hasn't finalized the result yet. Fix is double-buffering (queryA
on frame N, read on N+2). Deferred to N.6 perf polish — doesn't block
N.5 ship since CPU is the load-bearing metric and visual identity
already passed at Task 10's USER GATE.

Direct N.4 baseline NOT measured. Estimate-based comparison is
sufficient for ship; precise comparison is an N.6 follow-up.

Baseline doc at docs/plans/2026-05-08-phase-n5-perf-baseline.md.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-08 21:08:21 +02:00
..
architecture docs(architecture): WorldBuilder inventory + CLAUDE.md alignment 2026-05-08 08:31:03 +02:00
audit docs: update audit — Sprint 1 items verified (sequence counters + scenery LCG) 2026-04-13 13:51:39 +02:00
plans phase(N.5) Task 13: perf baseline — Holtburg courtyard measured 2026-05-08 21:08:21 +02:00
research docs(N.5): cold-start handoff for next session 2026-05-08 18:05:36 +02:00
superpowers phase(N.5) Task 9 fixup: layout assertion + DrawCommandStride const 2026-05-08 20:42:49 +02:00
bugs.md docs: update bugs.md — close BUG-002/003/004, add BUG-005/006/007 2026-04-14 12:17:31 +02:00
ISSUES.md docs: flag N.2 blocker — WB terrain split formula diverges from retail 2026-05-08 12:05:04 +02:00