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Subject: Re: Deep Sjeng Opteron Performance Results

Author: Vincent Diepeveen

Date: 04:53:41 08/07/03

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On August 07, 2003 at 06:30:39, Robert Allgeuer wrote:

Dead wrong.

You aren't running 16 bits executables at your P4 either are you?

So stop these nonsense statements. Runnative 64 bits compiled itanium
executables at itaniums. Run 64 bits native compiled opteron executables at
opteron and run 32 bits x86 compiled exes at K7/P4.

>On August 07, 2003 at 05:30:57, Gian-Carlo Pascutto wrote:
>>
>>                Opteron v Athlon       Opteron vs P4
>>SPEC                  1.55                   1.74
>>Crafty                1.65                   2.65
>>Sjeng                 1.70                   2.05
>>
>>When running 32 bit software (or more precisely, software using the old 8
>>register instruction set), the Opteron is 42% and 65% faster than the Athlon
>>and P4 respectively.
>>
>
>I assume these two last figures are for general programs, i.e. from SPEC.
>How much would be the speed-up of 32 bit executables for Sjeng and Crafty on
>Opteron, which is a more relevant measure for chess programs.
>
>Robert



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