Date: Tue, 29 Jul 1997 12:27:01 +0200 From: Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de> To: Sylvain Hubert <hubert@physics.uottawa.ca> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: fortran compiler Message-ID: <19970729122701.26536@gil.physik.rwth-aachen.de> In-Reply-To: <33D8FF0C.7D6B@physics.uottawa.ca>; from Sylvain Hubert <hubert@physics.uottawa.ca> on Fri, Jul 25, 1997 at 03:31:24PM -0400 References: <33D8FF0C.7D6B@physics.uottawa.ca>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Jul 25, 1997 at 03:31:24PM -0400, Sylvain Hubert wrote: > Hi! > > I am testing the f2c compiler on a PentiumPro (freeBSD OS) and > it seems that the optimization is not very efficient. It > might be because I do not use the proper options. I only try the > option -O3 for optimization. > > Do someone knows how to optimize a fortan code for a Pentium Pro, > in other word, what options should I put? > > Or, do someone knows of any good fortran compiler for a PentiumPro > chip? > > Thank you in advance for any reply! > > Sylvain... In what areas do you want to achieve optiimization? FP performance? Code size? Code speed? Optimizing for C is generally speaking also good for f77 (f2c). You might recompile libmsun with -DHAVE_FPU (/etc/make.conf). But beware of the consequences of loosing IEEE compliance. -- Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19970729122701.26536>