Author: Uri Blass
Date: 12:48:05 08/11/05
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On August 11, 2005 at 15:30:25, Peter Berger wrote: >On August 11, 2005 at 13:53:37, Robert Hyatt wrote: > >>That will be a miracle. A single opteron CPU (single core) is 2x as fast as a >>3.0ghz pentium. I, at least, will be running on 8 of 'em. That is a tough >>disadvantage to overcome... > >The question is how much this amounts to. Let's call the hardware 16 times >faster, how much faster will Crafty be when running on both of them? So far I >have only seen NPS comparisons reported but no time-to-ply comparisons. Do you >think you will get more than 10 times faster performance out of the faster >hardware? > >With 10 times faster you'd only have sth like maybe 200-250 Elo difference ( >simplified) by hardware. based on the ssdf list it seems to me that you may get at most 150 elo improvement if you are 10 times faster. The following is not exactly correct but close to be correct. A1200 is about 10^0.5 times faster than K6-450 but the ssdf rating of A1200 is only about 75 ssdf elo better than K6-450. It means that 10 times faster give improvement of 150 ssdf elo and if you consider diminishing returns andthe fact that the hardware of ssdf is slow relative to WCCC hardware then it is probably even slightly less than 150 elo. Uri
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