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From: Maxime Boissonneault <maxime.boissonneault@calculquebec.ca>
To: Rhys Ulerich <rhys.ulerich@gmail.com>
Cc: gsl-discuss@sourceware.org
Subject: Re: Adding OpenMP support for some of the GSL functions
Date: Wed, 12 Dec 2012 21:13:00 -0000	[thread overview]
Message-ID: <50C8F364.2010109@calculquebec.ca> (raw)
In-Reply-To: <CAKDqugSjvphQBsVYejauNAO8T01GFfnZe8yKfOGFd9+iQAr_qw@mail.gmail.com>

Hi Rhys,
I have not, since it is much simpler to add 6 pragmas to the loops of 
rk45_apply to achieve the same goal.

Maxime

Le 2012-12-12 12:05, Rhys Ulerich a écrit :
>> 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


  reply	other threads:[~2012-12-12 21:13 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
2012-12-12 21:13   ` Maxime Boissonneault [this message]
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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