Dev Builds » 20201212-0820

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	c7f0a768cb9d5972861baae0f215d69f9e86a626
Author	Fanael Linithien
Date	2020-12-12 08:20:15 UTC
Use arithmetic right shift for sign extension in MMX and SSE2 paths This appears to be slightly faster than using a comparison against zero to compute the high bits, on both old (like Pentium III) and new (like Zen 2) hardware. closes https://github.com/official-stockfish/Stockfish/pull/3254 No functional change.