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Re: [Help-gsl] What to do with my modifications to some GSL functions

From: Liam Healy
Subject: Re: [Help-gsl] What to do with my modifications to some GSL functions
Date: Sat, 15 Nov 2008 09:55:13 -0500

With the widespread availability of multicore and multi-cpu computers,
I think this is a great idea and I am interested in parallelization in
GSL.   For those of us that use pre-compiled distributions like
Debian, does the parallelization depend on the platform where it was
compiled, or where it is run?  Also, does anyone know if the presence
of ATLAS mean that using GSL's BLAS functions will automatically be

Thank you.


On Fri, Nov 14, 2008 at 9:31 AM, Maxime Boissonneault
<address@hidden> wrote:
> Hi,
> I have written a high-performance computing code to compute the evolution of
> a system using differential equation solving. I'm running it on a multi-core
> architecture, so that in my code, I can make use of parallel programming
> techniques such as OpenMP.
> In order to get even better performances, I made some modifications to
> rkf45.c (I use Runge-Kutta-Fehlberg algorithms for integration of ODEs). The
> modifications are simply to add calls to OpenMP before for loops (#pragma
> omp for shared(...) private(...) ).
> I was wondering what to do with these modifications ? Is there a way to
> submit them for approval to GSL so that they are integrated to the library ?
> Should I simply copy the required files from GSL source code, modify them
> and link them instead of the library when compiling my code ?
> The latter (copying the files and modify them) is what I did up to now.
> However, I plan to publish this code under GPL license, and I'm then
> wondering what I should do with the copyrights for these modifications.
> Thank you,
> --
> --------
> Voter, c'est se donner le droit de chialer par la suite.
> --------
> Si l'on savait ce que l'on fait, on n'appellerait pas ça de la recherche.
> (Albert Einstein)
> --------
> Maxime Boissonneault
> Étudiant chercheur au doctorat en physique
> Président de l'AGLEBUS
> --------------------------------------------
> address@hidden
> address@hidden
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> (819) 823-1913 (soirs et fins de semaine)
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