From: Bjoern Olausson (namdlist_at_googlemail.com)
Date: Thu May 12 2011 - 09:58:47 CDT
On Thursday 12 May 2011 15:34:14 Axel Kohlmeyer wrote:
> > Thanks for the information. I 'll test if namd performs better with -O2
> > and - no-vec then with my current flags and leave it that way.
>
> i would do one more iteration with and without -ansi-alias.
> this flag is not enabled by default (strangely, considering
> all the other quite aggressive and less promising flags
> that are enabled by default), but would give the compiler
> more freedom to optimize memory accesses, which is
> almost always helpful (if the code is written according to
> ANSI standard, that is).
>
Thanks for the hint, I'll let the List know about the results.
Cheers,
Bjoern
-- Bjoern Olausson Martin-Luther-Universitt Halle-Wittenberg Fachbereich Biochemie/Biotechnologie Kurt-Mothes-Str. 3 06120 Halle/Saale Phone: +49-345-55-24942
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