Author: blass uri
Date: 23:02:54 06/13/99
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On June 14, 1999 at 02:01:26, blass uri wrote: > >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). 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.) > >It is not a secret that Junior was 3 times faster using 4 processors against GM >boris gelfand few monthes ago. > >I do not believe that their results are really bad otherwise it is more logical >for them to try to play with only one processor because they have a chance to be >number 1 in the micro-processors. I mean micro computers of course Uri
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