Dev Builds » 20240608-2132

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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NCM plays each Stockfish dev build 20,000 times against Stockfish 14. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN

Commit

Commit ID f55239b2f374a2f98717e7c361732f7c4510388b
Author Tomasz Sobczyk
Date 2024-06-08 21:32:27 UTC
NumaPolicy fixes and robustness improvements 1. Fix GetProcessGroupAffinity still not getting properly aligned memory sometimes. 2. Fix a very theoretically possible heap corruption if GetActiveProcessorGroupCount changes between calls. 3. Fully determine affinity on Windows 11 and Windows Server 2022. It should only ever be indeterminate in case of an error. 4. Separate isDeterminate for old and new API, as they are &'d together we still can end up with a subset of processors even if one API is indeterminate. 5. likely_used_old_api() that is based on actual affinity that's been detected 6. IMPORTANT: Gather affinities at startup, so that we only later use the affinites set at startup. Not only does this prevent us from our own calls interfering with detection but it also means subsequent setoption NumaPolicy calls should behave as expected. 7. Fix ERROR_INSUFFICIENT_BUFFER from GetThreadSelectedCpuSetMasks being treated like an error. Should resolve https://github.com/vondele/Stockfish/commit/02ff76630b358e5f958793cc93df0009d2da65a5#commitcomment-142790025 closes https://github.com/official-stockfish/Stockfish/pull/5372 Bench: 1231853
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