Author: Andreas Guettinger
Date: 16:18:32 08/25/05
I observed om my single CPU machine that crafty-19.20 is roughly 10% slower by
performing the bench command. Is this because of the new SMP stuff or changes to
the evaluation?
regards
Andy
---------------------------------------
System uname: 2.6.12-gentoo-r6 x86_64 AMD Athlon(tm) 64 Processor 3400+
(default-linux/amd64/2005.0, gcc-3.4.4, glibc-2.3.5-r1, 2.6.12-gentoo-r6 x86_64)
same compile options:
linux-amd64:
$(MAKE) target=LINUX \
CC=gcc CXX=g++ \
CFLAGS='$(CFLAGS) -Wall -pipe -D_REENTRANT -march=k8 \
-fomit-frame-pointer -O3' \
CXFLAGS=$(CFLAGS) \
LDFLAGS='$(LDFLAGS) -lstdc++' \
opt='$(opt) -DFAST -DFUTILITY -DINLINE_AMD' \
crafty-make
%crafty19-19
unable to open book file [./book.bin].
book is disabled
unable to open book file [./books.bin].
Crafty v19.19
White(1): bench
Running benchmark. . .
......
Total nodes: 96761642
Raw nodes per second: 2199128
Total elapsed time: 44
SMP time-to-ply measurement: 14.545455
White(1): quit
%crafty19-20
unable to open book file [./book.bin].
book is disabled
unable to open book file [./books.bin].
Crafty v19.20
White(1): bench
Running benchmark. . .
......
Total nodes: 86620029
Raw nodes per second: 1924889
Total elapsed time: 45
SMP time-to-ply measurement: 14.222222
White(1): quit
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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