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Re: Polyhedron 2005 Benchmarks

From: Steve Kargl <sgk at troutmask dot apl dot washington dot edu>
To: Paul Thomas <paulthomas2 at wanadoo dot fr>
Cc: Dominique Dhumieres <dominiq at lps dot ens dot fr>, stevenb at suse dot de, fortran at gcc dot gnu dot org, dberlin at dberlin dot org
Date: Fri, 18 Nov 2005 09:56:01 -0800
Subject: Re: Polyhedron 2005 Benchmarks
References: <437DCFBD.mailJ99113K78@tournesol.lps.ens.fr> <7099222.1132320726427.SLOX.WebMail.wwwrun@imap-dhs.suse.de> <437DE2E8.mailOZK11I8L7@tournesol.lps.ens.fr> <437DFB73.3000806@wanadoo.fr> <437E12E5.6090800@wanadoo.fr>

On Fri, Nov 18, 2005 at 06:44:05PM +0100, Paul Thomas wrote:
> A word of caution,...
> 
> >
> >52.0s without and 36.7 seconds with -ftree-loop-linear.
> >
> ... it also gives incorrect results.  I will figure out how to reduce it 
> and submit a PR.
> 

Is incorrect in that the two different gfortran runs give different
answers?  Are you using -O3 and --fast-math? 

-- 
Steve

Follow-Ups:
- Re: Polyhedron 2005 Benchmarks
  - From: Paul Thomas

References:
- Re: Polyhedron 2005 Benchmarks
  - From: Dominique Dhumieres
- Re: Polyhedron 2005 Benchmarks
  - From: Steven Bosscher
- Re: Polyhedron 2005 Benchmarks
  - From: Dominique Dhumieres
- Re: Polyhedron 2005 Benchmarks
  - From: Paul Thomas
- Re: Polyhedron 2005 Benchmarks
  - From: Paul Thomas

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