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Subject: Re: 32 to 64 bit Crafty speedup (result)

Author: Slater Wold

Date: 20:44:10 12/09/03

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On December 09, 2003 at 23:30:40, Robert Hyatt wrote:

>On December 09, 2003 at 23:17:10, Slater Wold wrote:
>
>>Results per SPEC & AMD.
>>
>>
>>AMD Opteron 148 (2.2Ghz) - SuSe 9.0 (AMD64) - gcc 3.3.1
>>
>>Average - 1902
>>Peak    - 1936
>>
>>AMD Opteron 148 (2.2Ghz) - Windows XP Pro - Intel C/C++ 7.0
>>
>>Average - 1504
>>Peak    - 1506
>>
>>
>>Average Speedup - 26%
>>Peak Speedup    - 29%
>
>
>The comparisons are no good.  The intel compiler is much better than
>gcc.  Making the 32 bit code appear better than it should, or else making
>the 64 bit code appear worse.  You need the same compiler, same operating
>system, same everything, except -m32 and -m64 to make this comparison
>really accurate.

I knew you were going to say that!  :)



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