From: Rhys Ulerich <rhys.ulerich@gmail.com>
To: Maxime Boissonneault <maxime.boissonneault@calculquebec.ca>
Cc: gsl-discuss@sourceware.org
Subject: Re: Adding OpenMP support for some of the GSL functions
Date: Wed, 12 Dec 2012 17:05:00 -0000 [thread overview]
Message-ID: <CAKDqugSjvphQBsVYejauNAO8T01GFfnZe8yKfOGFd9+iQAr_qw@mail.gmail.com> (raw)
In-Reply-To: <50C791BB.4060303@calculquebec.ca>
> I am using GSL from another library of my own to perform numerical
> integration of vectorial differential equations. After optimizing and
> parallelizing most of my library, I ended up with the conclusion that GSL is
> a major bottle neck in my computation, simply because it is not parallelized
> to exploit multi-core achitectures.
Have you tried solving many such problems in parallel using
threadprivate GSL workspaces? This permits you to put a parallel
section outside of many GSL invocations by ensuring GSL's working
storage is kept local to each thread.
- Rhys
next prev parent reply other threads:[~2012-12-12 17:05 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-11 20:04 Maxime Boissonneault
2012-12-12 16:35 ` Frank Reininghaus
2012-12-12 21:11 ` Maxime Boissonneault
2012-12-12 21:41 ` Rhys Ulerich
2012-12-12 23:32 ` Maxime Boissonneault
2012-12-12 17:05 ` Rhys Ulerich [this message]
2012-12-12 21:13 ` Maxime Boissonneault
2012-12-12 21:36 ` Rhys Ulerich
2012-12-12 23:35 ` Maxime Boissonneault
2012-12-13 2:29 ` Rhys Ulerich
2012-12-13 13:22 ` Maxime Boissonneault
2012-12-13 15:53 ` Rhys Ulerich
2012-12-13 16:44 ` Rhys Ulerich
2012-12-13 21:07 ` Maxime Boissonneault
2012-12-13 21:05 ` Maxime Boissonneault
2012-12-13 21:14 ` Maxime Boissonneault
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