Author: Robert Hyatt
Date: 17:42:33 06/13/99
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On June 13, 1999 at 19:02:18, Howard Exner wrote: >Here's a request about the different hardware that will be used >at the upcoming WCCC. Once the hardware is listed for each program >could some kind soul sort it out in terms of chess computational strength. >The single processor variety of Intel and AMD I'm ok with but >have no clue on the Quad Xeon. How does a Quad Xeon compare to >a p3-500 for chess speed? Could someone also put into perspective how much >faster the big hardware(Cilkchess for example) is compared to the single >processors? A couple of pieces of data. 1. Vincent is running his program "diep" on my quad xeon 400. 2. Parallel search efficiency is difficult to guestimate for others. I have run several test suites that have crafty at about 3.2X faster than when using one processor (at present). Bruce was pretty close to me although I might have passed him with recent changes (which he knows about but which he did not try to do for Paderborn). The commercial programmers, in their usual style, consider such information to be 'top secret' for reasons known only to themselves (I assume their results are bad enough that they don't want to make it public, but we'll never know.)
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