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From: Andreas Schulz <accot.schulz@nord-com.net>
Subject: Re: fast computing with GNAT (?)
Date: 2000/04/07
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Gautier responded to :
> > The f77 version takes about 7.5 s and the Ada version takes
> > about 38 s on my Linux/laptop.
> > The actual build commands are:
> > gnatmake -O4 test1.adb
> Ok. Try gnatmake -O4 -ffast-math -gnatp test1.adb

Maybe you'll be better off with -O3 ?? According to the manual,
gnat accepts only 0..3 for -O, and I had the impression that
4+ is read as 0.

> The -gnatp is essential (=pragma suppress(all_checks))
> to compare with Fortran!

Andreas