7+ days of dogfood
Steve Kargl
sgk at troutmask.apl.washington.edu
Sun Feb 10 19:34:13 UTC 2013
On Sun, Feb 10, 2013 at 07:24:03PM +0000, Anton Shterenlikht wrote:
> From sgk at troutmask.apl.washington.edu Sun Feb 10 19:06:10 2013
> On Sun, Feb 10, 2013 at 06:51:23PM +0000, Anton Shterenlikht wrote:
> > Date: Sun, 10 Feb 2013 08:44:24 -0800
> > From: Steve Kargl <sgk at troutmask.apl.washington.edu>
> > To: Boris Samorodov <bsam at passap.ru>
> > Subject: Re: 7+ days of dogfood
> >
> > > > FFLAGS = -O2 -pipe -march=native -mtune=native
> > >
> > > I don't like using "=" for FLAGS at make.conf...
> > >
> > > > FFLAGS+= -funroll-loops -ftree-vectorize
> > >
> > > ... as well as defaults overriding.
> > >
> >
> > FFLAGS are the options used while compiling Fortran. Having
> > spent years contributing to and testing gfortran, I am fairly
> > comfortable with these options.
> >
> > Do you recommend these FFLAGS settings to all
> > users of gfortran (via lang/gcc4x)?
>
> Yes.
>
> And for all arches? I use ia64, sparc64 and amd64.
>
I use these on amd64 and i386 arches. I rarely use spacr64
(mainly for development of ld128 libm functions) and never
use ia64. Choose one of your codes and test.
--
Steve
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