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VoxelForge/Standalone/Research/WorldAssemblerM3/Linux116/REPORT.md
T
Fr0zkaandClaude Opus 5.5 89504ecc97 research: chord-bound + z-column fine-segment pruning (L116, exact, not merged)
Fine pairs 48.9M -> 38.8M (-21%) with L115-identical hashes, but no readiness change (still
+15..+30% near-ready vs L109). Pair evaluation is not where the regression lives. Kept as patch.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016dhxM43dnWvUu2B5Ph1iG1
2026-10-30 03:04:07 +01:00

1.5 KiB

Linux L116

L116 preserves L115 output: all 18 Clang/GCC hash-matrix cases matched, including all four owner views at W1/W8/W12. The tightened chord bound and z-column cache reduced exact fine-segment/sample evaluations from 48,947,915 in L115 to 38,783,101 (-20.8%). L109 was 19,812,455; L116 still performs 1.96x as many pairs.

Timing used five interleaved L80 runs per version, stratum, and worker count. The pre-run one-minute load was 0.94; top reported 97.1% idle.

Stratum Workers LOD0-2 ready L109 / L115 / L116 (s) L116 vs L109 Whole view L109 / L115 / L116 (s)
0 8 0.770 / 0.908 / 0.947 +23.1% 1.791 / 1.940 / 1.907
0 12 0.788 / 0.917 / 0.930 +18.1% 1.732 / 1.871 / 1.886
1 8 0.951 / 1.236 / 1.235 +29.9% 1.833 / 2.163 / 2.194
1 12 0.906 / 1.174 / 1.174 +29.5% 1.756 / 2.040 / 2.038
2 8 1.015 / 1.264 / 1.248 +22.9% 1.905 / 2.166 / 2.102
2 12 0.940 / 1.177 / 1.173 +24.8% 1.757 / 1.999 / 1.995
3 8 0.882 / 1.011 / 1.016 +15.2% 1.850 / 1.958 / 2.009
3 12 0.796 / 0.933 / 0.950 +19.4% 1.663 / 1.809 / 1.826

The requested near-ready target of about 5% over L109 was not met. Fast tier passed (344.3 s). The Linux VFHostEditor build passed with -NoUBA -MaxParallelActions=4 (71.11 s; no prlimit).

Logs and summaries are under Saved/Linux/l116/; timing summary is timing/summary.json, pair counts are in pairs/summary.json, and the hash result is hashes/summary.json.