Dev Builds » 20260716-0628

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	1c384d3a8774ec9906e2e85b5005b22e27489044
Author	Linmiao Xu
Date	2026-07-16 06:28:24 UTC
AVX2 fused SqrClippedReLU + ClippedReLU Speedup measured with profile-build x86-64-avx2: ``` Result of 50 runs ================== base (./sf-master ) = 777661 +/- 8102 test (./sf-fused ) = 796739 +/- 9127 diff = +19077 +/- 3164 speedup = +0.0245 P(speedup > 0) = 1.0000 CPU: 8 x AMD EPYC 7R13 Processor ``` Passed STC: https://tests.stockfishchess.org/tests/view/6a5049335529b8472df8013c LLR: 2.96 (-2.94,2.94) <0.00,2.00> Total: 262624 W: 68444 L: 67815 D: 126365 Ptnml(0-2): 724, 28976, 71325, 29521, 766 closes https://github.com/official-stockfish/Stockfish/pull/6976 No functional change