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.
| Host | Duration | Avg Base NPS | Games | WLD | Standard Elo | Ptnml(0-2) | Gamepair Elo |
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| ID | Host | Base NPS | Games | WLD | Standard Elo | Ptnml(0-2) | Gamepair Elo | CLI | PGN |
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| Commit ID | 0c1001c93e694bc84845006ed0ebf452ff208eef |
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| Author | Ciekce |
| Date | 2026-06-06 07:58:43 UTC |
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Disable PEXT on AMD Excavator CPUs
Excavator also supports BMI2, where it has the same microcoded performance implications as on Zen pre-3.
closes https://github.com/official-stockfish/Stockfish/pull/6868
No functional change
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