Author: Jeremiah Penery
Date: 16:33:33 12/09/03
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On December 09, 2003 at 13:48:49, Eugene Nalimov wrote: >On December 09, 2003 at 13:30:11, Slater Wold wrote: >>I'd be confident in this statement however: "64-bits, depending on application, >>can speedup a typical chess program from 40% to 70%." >> >>Which is nice, considering it is practically 'free'. > >I am not so sure. > >Please take a look at one of the recent Opteron SPEC admissions: >http://www.spec.org/cpu2000/results/res2003q4/cpu2000-20030922-02519.html. > >3 out of 12 programs (1/4 of all programs) were compiled with "-m32" flag, >because they are faster in 32-bit mode. I wonder if that is really because they're ideally faster in 32-bit, or because the AMD64 compiler is still a bit immature.
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