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Re: Performance loss from RedHat 7.0 to RedHat 9.0
- From: Toon Moene <toon at moene dot indiv dot nluug dot nl>
- To: Jean-Marc Petit <petit at obs-besancon dot fr>
- Cc: gcc-help at gcc dot gnu dot org
- Date: Wed, 18 Feb 2004 00:17:48 +0100
- Subject: Re: Performance loss from RedHat 7.0 to RedHat 9.0
- Organization: Moene Computational Physics, Maartensdijk, NL
- References: <Pine.LNX.4.44.0402171028030.6550-100000@zebu.obs-besancon.fr>
Jean-Marc Petit wrote:
Well, I tried wihtou the "-fno-automatic" option. It's marginally worth:
Well, unfortunately, the 3.2 compiler sometimes generates worse code
than the 2.95 one. You could try the new 3.3.3 one (just released), but
even better would be the 3.4.0 version (still a couple of months away).
Hope this helps,
--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
Maintainer, GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
GNU Fortran 95: http://gcc.gnu.org/fortran/ (under construction)