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Date:      Tue, 23 Jan 1996 11:05:10 -0700 (MST)
From:      Terry Lambert <terry@lambert.org>
To:        jdp@polstra.com (John Polstra)
Cc:        freebsd-current@FreeBSD.org
Subject:   Re: dhrystone 2.1 result for gcc-2.7.2 with Pentium patches is poor
Message-ID:  <199601231805.LAA17908@phaeton.artisoft.com>
In-Reply-To: <4e3425$e1d@austin.polstra.com> from "John Polstra" at Jan 23, 96 08:57:41 am

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> In article <Pine.BSF.3.91.960122212225.1522C-100000@knobel.gun.de>,
> Andreas Klemm  <andreas@knobel.gun.de> wrote:
> > On a WWW Server I found a Pentium patch (gcc-2.7.2-2.7.2p-pl6.diff)
> > for gcc 2.7.2. My experience with dhrystone 2.1 are, that FreeBSD's
> > gcc 2.6.3 is a bit faster ....
> > 
> > about 163000 Dhrystones with gcc 2.6.3 and "only" 161000 dhrystones
> > with the patches gcc 2.7.2 ... poor result. Other experiences ?
> 
> I haven't tried those patches, but this kind of thing comes up regularly
> in compiler-related newsgroups.  Look: the Dhrystone "benchmark" is
> _completely_ worthless and meaningless for today's compilers.  You are
> wasting your time messing with it.  It will only mislead you.

You mean "it is so useless that the GCC people are no longer optimizing
for it"?

8-) 8-) 8-).


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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