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Mail Archives: pgcc/1998/09/04/20:05:51

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Date: Fri, 4 Sep 1998 22:05:15 +0200 (CEST)
From: Ronald Wahl <rwahl AT gmx DOT net>
To: Marc Lehmann <pcg AT goof DOT com>
cc: Krzysztof Strasburger <strasbur AT chkw386 DOT ch DOT pwr DOT wroc DOT pl>,
beastium-list AT Desk DOT nl
Subject: Re: pgcc-1.1a - first impression
In-Reply-To: <19980904214400.03254@cerebro.laendle>
Message-ID: <Pine.LNX.4.03.9809042201400.16525-100000@goliath.csn.tu-chemnitz.de>
MIME-Version: 1.0
Sender: Marc Lehmann <pcg AT goof DOT com>
Status: RO
X-Status: A
Lines: 28

On Fri, 4 Sep 1998, Marc Lehmann wrote:

> On Fri, Sep 04, 1998 at 10:50:00AM +0000, Krzysztof Strasburger wrote:
> > The code optimized with -O5 -fno-runtime-lift-stores is even faster on PPro ;-)
> > 
> > 29.22   28.55  26.71 (average)
> > It means for me, that instead of waiting 1 year for the results, I will
> > get them after 11 months! ;-)
> 
> But after waiting 11 months, how about going on vacation for four weeks?
> 
> ;)
> 
> Is -fno-runtime-lift-stores slower/faster on pentium? Maybe I just disable
> it for ppro, until I come around to make it better.

Maybe you should do this on K6 also. Nbench gives some better results with
-fno-runtime-lift-stores. Some tests run a bit slower but the overall
performance is better. Maybe somebody can verify this with other
applications or benchmarks.

ron

-- 
\ Ronald Wahl --- rwahl AT gmx DOT net         \   Gib Gates keine Chance!   /
 \ WWW: http://www.tu-chemnitz.de/~row/  \                           /
  \ Talk: rwa AT goliath DOT csn DOT tu-chemnitz DOT de  \   Pinguine schuetzen.   /
   \ PGP key available                     \                       /

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