Author: Tord Romstad
Date: 11:21:19 12/21/05
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On December 21, 2005 at 12:58:16, Andreas Guettinger wrote: >For comparision, the speedup of 64bit crafty on a G5 is around 50%. This was on a PowerMac? A 50% speedup is quite impressive. I just repeated your experiment with Crafty 20.1 on a first generation iMac G5 1.8 GHz, using the compiler options given in your post. Here are the results: Crafty v20.1 White(1): bench Running benchmark. . . ...... Total nodes: 72473383 Raw nodes per second: 0 Total elapsed time: 139 SMP time-to-ply measurement: 4.604317 Crafty v20.1 White(1): bench Running benchmark. . . ...... Total nodes: 72473383 Raw nodes per second: 0 Total elapsed time: 119 SMP time-to-ply measurement: 5.378151 The 64 bit executable is only about 16% faster. Tord
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