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Subject: Crafty on Quad G5

Author: Andreas Guettinger

Date: 14:53:59 12/09/05


I compiled and tested Crafty 19.19 on a Dual Dual PowerMac G5 2.5 Ghz. The
results are below.
Unfortunately with the disappearance of Posix Threads fom Crafty sources since
version 20 the SMP code of newer versions will not compile for ppc anymore.

Crafty v19.19 (1 cpus)

White(1): bench
Running benchmark. . .
......
Total nodes: 96761642
Raw nodes per second: 1640027
Total elapsed time: 59
SMP time-to-ply measurement: 10.847458
White(1): mt 4
max threads set to 4
White(1): bench
Running benchmark. . .
......
Total nodes: 112526607
Raw nodes per second: 5922453
Total elapsed time: 19
SMP time-to-ply measurement: 33.684211
White(1): quit

The 4-way Opterons will get something above 8 MNPS if I remeber correctly, but
the lack on ineger performance of the PowerPC G5 compared with the
Athlon64/Opteron is well known and not surprising. Still almost 6 MNPS is not
bad.
Maybe I will give Deep Shredder a try.

regards
Andy



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