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Date: Wed, 13 May 1998 19:57:40 +0200
From: Philippe Elbaz-Vincent <pev AT pev DOT math DOT univ-montp2 DOT fr>
Organization: Laboratoire Geometrie,Topologie, Algebre UPRESA CNRS 5030
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To: Marc Lehmann <pcg AT goof DOT com>
CC: beastium-list AT Desk DOT nl
Subject: Re: pgcc vs AMD K6
References: <199805122110 DOT XAA20479 AT unknown DOT ruhr DOT de> <3559D3EC DOT ED77B58A AT pev DOT math DOT univ-montp2 DOT fr> <19980513193817 DOT 04862 AT cerebro DOT laendle>
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Marc Lehmann wrote:


> > The flag -mamdk6 for the p6 is not a joke ! I usually get the better
> > results with this flag, sometime it's 15%-20% faster !!! I don't know if
> > someone else also observed this behavior, and I don't know it this is
> > relevant for the "Pentium team". I also don't know why -O9 get a little
> 
> improvement on what? -O6?

oops, yes. improvement on -O6

> 
> I will drive to northern germany :( to get my new machine, mostly
> sponsored by S.u.S.E. in a few minutes, so I will be equipped with
> a P-II machine soon. You can be sure these bugs will then vanish veery quickly.

well I think that what you consider as a bug, is the fact that the flag
-mpentiumpro doens't give what we expect. It's not inconvenient for me
that the flag -mamdk6 gives nice results.
                                                    |

-- 
Laboratoire Geometrie-Topologie et Algebre. UPRESA CNRS 5030.
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