Author: Robert Pope
Date: 13:16:19 02/25/00
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On February 25, 2000 at 15:18:53, Brian Richardson wrote: >On February 25, 2000 at 15:07:04, paul bedrey wrote: > >> I recently received a comment by a computer chess pro stating that Intel has >>a propriatory Floating Point code and that AMD although close doesn't exactly >>duplicate it. He said it may be why most of my chess programs have problems >>running on my AMD K6 475. Can any programers confirm or deny this? >>I hope I don't have to buy a new cpu just to cure my addiction to chess! >> >>Thanks > >The only floating point code I know of in numerous chess programs is >usually related to time calculations. Core searching routines are typically >all integer. AMD systems are often used (going by the posts here). If Windows >or NT or Linux boots, chances are any problems in the chess program has >nothing to do with the floating point implementation. A more common problem with AMD computers is the different instruction set. Occasionally, programs get compiled with optimizations for 686 processors. K6 uses older 586 instructions and will not reliably run these programs. However, the non-commercial programs can easily be recompiled to use only the 586 instructions.
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