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Subject: Re: Unexpected Opteron 1.8 Ghz Crafty results from SPEC CPU2000

Author: Vincent Lejeune

Date: 14:05:37 05/08/03

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On May 08, 2003 at 17:04:11, Vincent Lejeune wrote:

>On May 08, 2003 at 14:51:15, Ricardo Gibert wrote:
>
>>http://www.aceshardware.com/#65000417
>>
>>They post results for both 32 bit and 64 bit binaries for a single cpu. What's
>>funny is the crafty section of the benchmark does not seem to benefit from 64
>>bit very much. Go figure.
>>
>>Also, the Athlon 3000+ still has the best result for the crafty section of the
>>benchmark regardless.
>>
>>What's going on?
>
>1)
>http://www.spec.org/osg/cpu2000/results/res2003q2/cpu2000-20030421-02093.html
>Operating System: SuSE Linux Enterprise Server 8 for AMD64
>Compiler: SuSE optional package gcc33
>->186.crafty 1000 64.0   1562
>
>2)
>http://www.spec.org/osg/cpu2000/results/res2003q2/cpu2000-20030421-02108.html
>Operating System: Windows Server 2003 Enterprise Edition
>Compiler:
>Intel C/C++ 7.0 build 20021212Z
>Microsoft Visual Studio .NET (libraries) 7.0.9466
>MicroQuill Smartheap Library 6.0
>->186.crafty 1000 81.3   1230      81.3   1230
>
>
>+27% between 64 bit linux+ 64 bits GCC compiler and 64 bits Windows Server +
>intel compiler (32 bits)
>I call that a great gain for the 64 bits world !!

But crafty definitively need an Intel 64 bits compiler optimized for the opteron
!! ;)



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