Author: Dann Corbit
Date: 12:36:58 11/26/03
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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. 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... Could we see the numbers for 1,2,3 threads active also? I would be interested to see how it scales.
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