]> git.sesse.net Git - stockfish/commitdiff
projects / stockfish / commitdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (from: 2dd24dc)
Use popcount intrinsic with Interl compiler
authorerbsenzaehler <erbsenzaehler@users.noreply.github.com>
Sun, 1 May 2016 08:57:50 +0000 (10:57 +0200)
committerMarco Costalba <mcostalba@gmail.com>
Sun, 1 May 2016 12:18:16 +0000 (14:18 +0200)
It seems that icc used our fallback version of popcount.
Now use intrinsics.

icc version 16.0.2 (gcc version 5.3.0 compatibility)
bmi2 compile
uname -r 4.5.1-1-ARCH

20xbench gives a nice speedup
./stockfish-icc-master 2161515 +- 34462
./stockfish-icc-sse42 2260857 +- 50349


No differences found
Unnamed repository; edit this file 'description' to name the repository.