Dev Builds » 20250112-2021

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.

Use this dev build

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	8d517bddfffffd9d292fb5362ce452e5eb056ce9
Author	Shawn Xu
Date	2025-01-12 20:21:53 UTC
Simplify accumulator updates AMD Ryzen 5 7600X ``` sf_base = 1902646 +/- 2114 (95%) sf_test = 1920873 +/- 2515 (95%) diff = 18227 +/- 3067 (95%) speedup = 0.95800% +/- 0.161% (95%) ``` Ryzen 9 5950X ``` sf_base = 1413387 +/- 3592 (95%) sf_test = 1437893 +/- 3355 (95%) diff = 24505 +/- 4669 (95%) speedup = 1.73380% +/- 0.330% (95%) ``` Intel Core i7-6700K ``` sf_base = 912476 +/- 1863 (95%) sf_test = 921864 +/- 2042 (95%) diff = 9388 +/- 3333 (95%) speedup = 1.02893% +/- 0.365% (95%) ``` Raspberry Pi 5 ``` sf_base = 260993 +/- 1508 (95%) sf_test = 262912 +/- 1746 (95%) diff = 1918 +/- 1221 (95%) speedup = 0.73504% +/- 0.468% (95%) ``` Passed Non-regression STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 23072 W: 6041 L: 5813 D: 11218 Ptnml(0-2): 61, 2435, 6319, 2657, 64 https://tests.stockfishchess.org/tests/view/6780a0ca9168c8bf30927757 closes https://github.com/official-stockfish/Stockfish/pull/5759 No functional change