In case Crafty plays weak...
Posted: 27 Jul 2009, 08:56I played around with Crafty 23.0 a bit. I run a 64 bit Linux and compiled the executable from the source code.
The results in my test were terrible: about 250 rating points (BayesElo) below version 22.9. Because this just cannot be
and also no such weakness was reported elsewhere I took a close look at the Makefile and found:
for the "Linux" target. Of course making a debug version will slow it down significantly.
I could confirm it in the benchmark:
I'm going to replay the Crafty games and could post the results here in case of interest.
vp
The results in my test were terrible: about 250 rating points (BayesElo) below version 22.9. Because this just cannot be
and also no such weakness was reported elsewhere I took a close look at the Makefile and found:
- Code: Select all
opt='$(opt) -DDEBUG -DTRACE -DINLINE32 -DCPUS=2' \
for the "Linux" target. Of course making a debug version will slow it down significantly.
I could confirm it in the benchmark:
- Code: Select all
Crafty v23.0 (1 cpus, -debug version-)
White(1): bench
Running benchmark. . .
......
Total nodes: 97386586
Raw nodes per second: 275227
Total elapsed time: 353.84
################################################################################
Crafty v23.0 (1 cpus -normal version-))
White(1): bench
Running benchmark. . .
......
Total nodes: 97386586
Raw nodes per second: 1808814
Total elapsed time: 53.84
I'm going to replay the Crafty games and could post the results here in case of interest.
vp