Author: Uri Blass
Date: 09:11:57 06/29/04
Go up one level in this thread
On June 29, 2004 at 11:56:05, Robert Hyatt wrote: >On June 29, 2004 at 11:25:08, Jaime Benito de Valle Ruiz wrote: > >>On June 29, 2004 at 08:26:15, Zach Wegner wrote: >> >>>One important point is that crafty uses bitboards, so it will have an additional >>>speedup on a 64 bit processor. >> >>I might be wrong, but I think that Fritz also uses bitboards (I don't know about >>Shredder). >>Anyway, what about the compiler? And what extra efficiency do you expect from a >>64-bit processor? Enough to outsearch all other engines running on similar >>processors? >> >>Jaime > > >AMD has tested Crafty to answer this question. They compiled it for 32 bits, >and for 64 bits. The 64 bit version runs 47% faster than the 32 bit version, >everything else remaining constant. > >Fritz does not use bitboards by the way... You may be right but how do you know that the version that is going to play in WCCC does not use bitboard? Uri
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