Re: [AMBER-Developers] Fortran experts, a word of advice please

From: Ross Walker <ross.rosswalker.co.uk>
Date: Wed, 25 Jul 2012 06:41:56 -0700

Hi Thomas,

> > Try just removing the "<compile=optimized>" from the top of that
> > particular
> > source file.
> >
> > What is the performance hit when you do that? (And more importantly,
> does
> > it solve the problem?)
>
> well, performance remains unchanged, sadly the problem does not go away
> :-/ I deleted the line and ran make clean && make sander.MPI, that
> should
> have changed the optimization level, right? Strangely, even without the
> <compile=optimized> directive, I see the compiler options '-ip -O3 -
> xHost'
> for softcore.F90. How exactly is it decided what source file gets which
> option flags? My make-fu seems too weak to understand this.

You have to run 'make depend' again after changing this line in any source
file.

All the best
Ross

/\
\/
|\oss Walker

---------------------------------------------------------
| Assistant Research Professor |
| San Diego Supercomputer Center |
| Adjunct Assistant Professor |
| Dept. of Chemistry and Biochemistry |
| University of California San Diego |
| NVIDIA Fellow |
| http://www.rosswalker.co.uk | http://www.wmd-lab.org/ |
| Tel: +1 858 822 0854 | EMail:- ross.rosswalker.co.uk |
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Received on Wed Jul 25 2012 - 07:00:03 PDT
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