Author: Aaron Gordon
Date: 16:58:36 11/11/03
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On November 11, 2003 at 17:29:25, Richard Pijl wrote: >On November 11, 2003 at 08:50:53, Aaron Gordon wrote: > >>It would be better had they used a quad or 8-way Opteron running 2GHz or more. >>From some testing I've done in the past you can figure a single Opteron 2GHz == >>a P4-3.6GHz in Fritz 8 (32bit mode). So, a Quad Opteron 2.0 == Quad P4-3.6. >>Almost 30% faster, plus the memory bandwidth available would probably push it a >>bit over that with large hash table sizes. 8-way Opteron 2.0 would of course be >>like 8 p4-3.6's (however with some 40gb/s+ memory bandwidth available depending >>on bus speed). >> >>Why not use the best hardware? Seems like if you'd want to promote your new >>'awesome' chess program you'd want to give it the best chance of winning. > >As far as I know Fritz is written (mainly) in assembly. So using the additional >registers and so on is probably not feasible. Would Opteron be much faster in >this case too? > >Richard About programming it specifically for the Opteron.. I have no idea. The Opteron is about 25-30% faster than an Athlon XP in Deep Fritz 7 / Fritz 8 though without any code modification. I have high hopes for hand optimizations for the Opteron. We'll have to see how it turns out though. Hyatt, Christophe, and those guys could definitely give you more insight on this matter than I could.
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