Author: Robert Hyatt
Date: 12:11:55 12/07/00
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On December 07, 2000 at 14:53:11, Roy Eassa wrote: >5+ years ago, in another chess computer forum, I recall posting that computer >chess makes essentially no use of floating point arithmetic. I.e., the >performance of the CPU's integer arithmetic was overwhelmingly more important to >its performance running chess software than its floating point performance. > >Is that correct in today's top programs? Was I even correct back then? back then it depended on the architecture. IE Cray was no slouch at FP arithmetic, and in many cases FP was a fast or faster than int math. In today's PC, FP is slower, but with the multiple-pipe superscalar approach, some FP could be beneficial as those operations could be done in parallel with int operations.
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