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Re: g77 Help Wanted?
- To: Antony Spyropoulos <aspyr at chemeng dot ntua dot gr>
- Subject: Re: g77 Help Wanted?
- From: Toon Moene <toon at moene dot indiv dot nluug dot nl>
- Date: Fri, 17 Mar 2000 16:24:10 +0100
- CC: gcc at gcc dot gnu dot org
- Organization: Moene Computational Physics, Maartensdijk, The Netherlands
- References: <38D23571.A7519632@chemeng.ntua.gr>
Antony Spyropoulos wrote:
> Running a LAPACK's benchmark (1000d.f) on two machines:
> CASE 2:
> Machine 1 (f77 -O ) : 23 Mflops
> Machine 2 (f77 -O) : 26.6 Mflops
> Is this paradox (PII is faster!! than PIII in case 2) due to the fuct
> that the curent fortan compiler
> does not exploits the architecture of PIII?
Well, at the very least it's true that egcs-1.1.2 predates the Pentium
III; one of the things you could try is download and build gcc-2.95.2
and run the benchmark using that compiler.
--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
GNU Fortran 95: http://xena.eas.asu.edu/~andy (under construction)