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capture(research): A6.P1 scen1 — acdream.log paired with retail.log

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Acdream-side capture for the Holtburg inn doorway walk, paired with
the v4 retail capture committed at 180b4a5. 84,130 lines total.

Probe line distribution (~30 sec session, ~2 sec actual walk):
  [push-back] (adjust_sphere): 8 hits   — vs retail BP5 12 hits
  [push-back-disp] (dispatch): 295      — vs retail BP4 5818 (!)
  [push-back-cell] (other_cells): 5     — vs retail's check_other_cells
  [indoor-bsp]: 26
  [cell-transit]: 30 (cell ID changes)
  [cp-write]: 73,304 (per-field writes) — vs retail BP7 18 fn calls (!)
  [cell-cache]: 540

Two major divergences already visible from this single scenario:

1. DISPATCH FREQUENCY: retail's BSPTREE::find_collisions fires 20×
   more than acdream's BSPQuery.FindCollisions. Could reflect either
   different physics tick rate, different sub-step cadence, or
   different call paths into the dispatcher.

2. CONTACTPLANE LIFECYCLE: acdream writes CP fields 73,304 times
   in 30 seconds (~2,400/sec). Retail calls set_contact_plane 18
   times (~0.6/sec). Even with a 6× field-write multiplier per
   set_contact_plane call, that's ~100 actual CP updates in retail
   vs ~12K in acdream — 100-1000× more frequent in acdream. This
   directly confirms the spec's hypothesis that FindEnvCollisions
   indoor branch is rewriting CP every frame (sub-step?) instead
   of retaining it across frames. Same family as the
   TryFindIndoorWalkablePlane workaround.

Per-call shape comparison (BP5 hit#1):
  Retail: plane=(0,0,1) d=-0.0, sphere=(0.0046,10.31,-0.27) r=0.48,
          mvmt=(0,-0,-0.75), winterp=1.0
  Acdream: plane=(0,0,1) d=-0.0, sphere=(-0.43,11.02,0.46) r=0.48,
           mvmt=Z-down, winterp 1.0→0.96 (small adjust applied)
Identical operation SHAPE (ground plane + vertical step-down probe
+ same radius). XY positions differ because walks were independent.

Scenario 1 complete. Remaining 8 scenarios deferred per user
direction. Python hex→float decoder + A6.P1 handoff doc to follow.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-05-21 20:02:08 +02:00
parent 180b4a5010
commit 8ca718a56d
1 changed files with 84130 additions and 0 deletions
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