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docs: Campaign FW - the FW3.4 perf pair numbers; the stop rule triggers

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Erik 2026-08-30 16:23:03 +02:00
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docs/plans/2026-08-30-campaign-fw-frame-walk.md
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@ -434,6 +434,18 @@ diagnostic read; interiors 3.3 ms) - candidates: collapse the
two-pass walk, batch per-cell shells, cache the outdoor-statics two-pass walk, batch per-cell shells, cache the outdoor-statics
index, cut per-segment rebinds. index, cut per-segment rebinds.
**FW3.4 PERF PAIR (2026-08-30, same session/conditions, exact
binaries):** dense Arwic uncapped, PRE (@87853359, old static path)
vs POST (@3a05d659, walk-driven): CPU p50 23.6 -> 31.6 ms (+33.5%),
p95 36.3 -> 44.3 ms (+21.9%), alloc p50 133 KB -> 1,920 KB/frame
(14x). THE +/-20% STOP RULE TRIGGERS. Sources are the flagged known
costs (two walk passes/frame, per-cell single-segment submissions
with full section rebinds, per-cell record-array copies in the world
data). FW3.4a fixes them (single walk pass; prepare-once/draw-ranges
- the deferred-alpha architecture; pooled record segments), then the
pair re-measures against the SAME baseline; the owner decision only
triggers if it still exceeds 20% after the known fixes.
- **FW3.4 — perf checkpoint + gates.** BASELINE CORRECTION: the - **FW3.4 — perf checkpoint + gates.** BASELINE CORRECTION: the
519.7 fps / 1.869 / 1.096 ms numbers are the Aerlinthe 519.7 fps / 1.869 / 1.096 ms numbers are the Aerlinthe
ordinary-production profile, NOT dense Arwic. Before the cutover ordinary-production profile, NOT dense Arwic. Before the cutover