Author: Bruce Moreland
Date: 16:15:24 05/14/98
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On May 14, 1998 at 18:32:26, Ivan Tirado wrote: > In contemporary chess programs, what gets more use: >floating point math or integer math? If integer math is preferred, how >do different processors handle it ( ie perform )? Can a chess program be >optimized to use MMX if integer math is used? In the case floating point >is preferred, why this is so? There is probably some guy out there working furiously on a program, and his big angle is that he does floating point math in just the right spots, or so he thinks. On all the micros that I know of, you should use integers if you can. Most chess programs are extreme examples of optimization, so they'll tend to not use floating point at all. If there is a processor where floating point is faster, or some combination of floating point and integer is fastest, there is some lunatic out there right now writing floating point chess program code in assembly language. And if the assembler doesn't do exactly what he wants, he'll input the op-codes by hand into a hex editor. bruce
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