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Subject: Re: Importance of Compiler

Author: Frank Phillips

Date: 02:39:49 04/14/02

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On April 13, 2002 at 18:21:23, Dan Andersson wrote:

>I might have miscalculated something. But the current snapshot of GCC3.0x seems
>a bit less than 10% slower than the intel compiler. And that is supposed to be
>better than the MSVC one.
>
>MvH Dan Andersson
Dan

Which version?

After playing with the optimisations, the best I managed was 27% slower (30min
test of epd positions) with gcc3.0.4-2mdk shipped with Mandrake 8.2.

My guess is that the dynamic optimisation (profile generation) helps the Intel
compiler a lot.  A feature gcc seems not to have?

Frank

• Re: Importance of Compiler Dan Andersson 15:31:48 04/14/02
  • Re: Importance of Compiler Frank Phillips 11:40:57 04/15/02
    • Re: Importance of Compiler Dan Andersson 12:42:14 04/15/02

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