Author: Howard Exner
Date: 22:45:12 06/13/99
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On June 13, 1999 at 20:42:33, Robert Hyatt wrote: >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). That's an impressive jump in speed. Waiting around for a 3X speed improvement with a single processor machine would take about 27 months.(ie: if the doubling every 1.5 yrs still holds true). >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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