Author: Robert Hyatt
Date: 11:08:16 11/27/03
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On November 27, 2003 at 02:59:52, Tony Werten wrote: >On November 26, 2003 at 15:25:10, Robert Hyatt wrote: > >>I have been working both with Eugene and AMD. The following bench run is >>on a quad 1.8ghz opteron, 8 gigs of ram. > >:) Did you consider loading the (interesting) 5 piece egtb's in RAM and adjust >the probing depth ? > >Tony > I don't have any out there. If I am able to use this machine in a demo somewhere, I'll send them two DVD's with the 3-4-5's and try it. >>The only "option" I have set is >>"mt=4". There is _no_ assembly code in this version, pure C only. I am >>looking at updating the asm to 64 bit but that will take some time and >>studying. >> >>Meanwhile: >> >>Crafty v19.6 (1 cpus) >> >>White(1): mt=4 >>max threads set to 4 >>White(1): bench >>Running benchmark. . . >>...... >>Total nodes: 105863114 >>Raw nodes per second: 5881284 >>Total elapsed time: 18 >>SMP time-to-ply measurement: 35.555556 >> >>This is using gcc, although I am not sure whether it is producing 64 bit >>or 32 bit code at the moment. However, 5.8M nps is not bad. About 1M less >>than Eugene's MSVC numbers. I will look into the 64 bit stuff more to see if >>gcc is producing real opteron assembly or not... And I will study the >>PGO options although the list time I tried them on GCC the compiler promptly >>crashed. :) >> >>Note that the above is with default hash and everything, no endgame tables, >>no opening book, etc...
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