gfortran speed benchmarks

[Steve Kargl]

On Sat, Nov 05, 2005 at 04:33:44PM -0800, Ron Young wrote:
> 
> The Intel compiler is almost always used with -xW -ipa flags. If you
> use -march=pentium4 , you should use -xW. The option -ipa will give you
> inlining. Polyhedron posted the flags they used.
> The option -ffast-math should be used with gfortran.
> 

Use -ffast-math is you want results fast; if you want
correct results use -ffast-math with extreme caution.

-- 
Steve