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Subject: Re: Crafty: Linux v Windows compilers

Author: Gian-Carlo Pascutto

Date: 15:35:27 04/29/02

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On April 29, 2002 at 18:26:43, George Sobala wrote:

>A question for Dr Hyatt (or anyone else!):
>
>I run a Linux system, and am disappointed with the performance of my
>Linux-compiled versions of Crafty 18.xx versus the supplied precompiled Windows
>versions. The Windows version is about 20% faster in kN/sec on the same position
>running under Windows/NT 4.0 *in a VmWare 3.1 virtual machine running inside
>Linux*, than the native Linux version itself (compiled with egcs 2.91.66 with
>-O3 on a K6/2 460MHz 192Mb). Same hash table sizes.
>
>Am I doing something wrong with the compiles, or is egcs code really that
>inferior to the Windows compilers?

GCC is really that inferior. But you can download a free version of Intel C
that will close the performance gap.

--
GCP



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