Erik 05d590cd54 docs(perf): Phase N.6 slice 1 — spec for gpu_us fix + radius=12 baseline ... Brainstormed design for the first slice of Phase N.6 (perf polish). Slice 1 ships two commits: (1) fix the GPU timing query double-buffering in WbDrawDispatcher (cross-vendor ring of 3, read-before-overwrite), (2) add an env-gated surface-format histogram dump + capture the radius=12 perf baseline at Holtburg. Slice 2 (TextureCache cleanup + shader migration + optional persistent-mapped buffers) is deferred until after C.1.5 (PES emitter wiring), with the next-phase decision to be made on the baseline numbers slice 1 produces. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>		2026-05-11 11:03:44 +02:00
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plans	docs(post-A.5 #53): Tier 1 cache — implementation plan (writing-plans)	2026-05-10 17:06:42 +02:00
specs	docs(perf): Phase N.6 slice 1 — spec for gpu_us fix + radius=12 baseline	2026-05-11 11:03:44 +02:00