Author: Joachim Rang
Date: 12:03:27 06/08/04
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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
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