ec2afe9c936f8937fe1153d0682eadf9815ad275
Worker-local XY column cache uses deterministic 4-way sets at LOD3-8: LOD4 misses 8,224 -> 1,437, conflicts 7,407 -> 0 (direct-map control: 6.62 s / 43.5 worker-s vs 4.24 s / 21.7). Exact LOD0 lattice gradients memoized per tile: MC-exclusive 242 -> 201 ns/sample, two-pass loop unchanged. Hashes identical, no recipe bump. Primary cold trace 4.24 s full set, ring 0.45 s, 75/75 at 40 m/s; a repeat ran uniformly ~40% slower on every LOD (machine contention suspected); tick p95 to re-check on an idle machine. CVars voxel.CoreColumnCacheDirectMapped / voxel.CoreMCGradientMemoization. Report: Standalone/Research/WorldAssemblerM3/Round18. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MmSoF64BbRFmk9C3p1VsBJ
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