From owner-freebsd-questions  Wed Mar 29 22:23:10 2000
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Reply-To: "Igor B. Bykhalo" <goshik@binep.ac.ru>
From: "Igor B. Bykhalo" <goshik@binep.ac.ru>
To: "-questions@FreeBSD" <freebsd-questions@freebsd.org>
Cc: "-stable@FreeBSD" <freebsd-stable@freebsd.org>
Subject: Doing math - need advice (was: Compiling FORTRAN code on -stable)
Date: Thu, 30 Mar 2000 09:12:59 +0300
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We are going to use mathematical package
(EPR spectra simulation). Program relies
on BLAS, LAPACK and ARPACK libraries - all
in Fortran 77. Program itself can be built
using gcc, egcs or pgcc.

Questions:

1. What is the recommended way to build
   f77 libraries to get maximum performance?
   Should we use g77 from 4.0-Release, or
   we can stay on 3-Stable and use f2c + pgcc
   (from ports)?

2. Does anyone know incarnations of the mentioned
   libraries in C language?

3. Where to read some general advices on the optimization
   of math perfomance (under FreeBSD)? :)

TIA,
Igor

P.S. Sorry for cross-post, I _really_ need your advice...





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