Author: P. Massie
Date: 12:56:48 06/08/04
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On June 08, 2004 at 15:03:27, Joachim Rang wrote: >On June 08, 2004 at 14:29:04, P. Massie wrote: > >>I had an opportunity yesterday to run some benchmarks on a laptop with the new >>Dothan chip. It was an IBM T42p with the Pentium M (Dothan) at 1.8 ghz and 512 >>MB of RAM. I did comparisons with my normal laptop, an IBM T40p with a Pentium >>M (Banias) at 1.6 ghz and 1 GB or RAM. I ran Fritz8, Hiarcs8 and Shredder8, all >>with 64 MB allocated to hash tables. >> >>The clock speed increase is 12.5%, so we should see at least that much increase. >> The actual results were not something I expected: >> >>Fritz8 mark 1182 -> 1542 = 30% gain >>Fritz8 knps 1065 -> 1194 = 12% gain >>Hiracs8 mark 790 -> 923 = 17% gain >>Hiarcs knps 236 -> 275 = 17% gain >>Shredder8 mark 1392 -> 2784 = 100% gain >>Shredder8 knps 301 -> 420 = 40% gain >> >>I have no explanation for why the "mark" number for Shredder and Fritz increased >>so much more than the knps, but I would love to know. It's clear from these >>numbers that different programs benefit differently from the new processor >>architecture, most likely from the fact the Dothan has an L2 cache twice as >>large as on the Banias. >> >>In any case, food for thought... >> >>Paul > > >thanks for these benchmarks. > >Unfortunately the benchmarks of the chessbase - engines are bad designed and >deliver questionable results. > >Maybe you can give some craftynumbers too? > >Which Version of Fritz 8 do you have? > >regards Joachim Fritz is 8.023. Unfortunately, I wasn't able to get Crafty on that machine (I don't have it on CD) and I've already returned the machine. I expect to have another one in a few days/weeks, and then I hope to be able to test Crafty as well. Paul
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