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Subject: Re: CA7 running in linux and speed of togaII

Author: Christos Gitsis

Date: 18:10:33 12/07/05

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On December 07, 2005 at 19:46:24, ERIQ wrote:

>I have been playing around with wine and CA7demo and have found that it works
>ok, (just one error when analizing w/ engine,"External exception 80000101", but
>was amazed at the speedup of togaII.exe running faster in wine/CA7demo than in
>scid with native binary in same position?!
>
>what gives? How can a win binary be running faster under these conditions? I
>compiled the linux version with gcc 4.0.2.

As far as I know, wine runs the Windows binary "almost" natively. The only
difference is that it replaces system calls with the appropriate calls for
Linux. Given that these are not frequent in a chess engine, like toga, it is
possible that the Windows binary is faster, if the compiler used does better
optimization than gcc.

Regards,
Christos.



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