Re: MPI implementations in squeeze

[Sylvestre Ledru <sylvestre@debian.org>]

Le mardi 01 décembre 2009 à 21:20 +0100, Lucas Nussbaum a écrit :
> On 01/12/09 at 11:33 +0100, Manuel Prinz wrote:
> > Am Montag, den 09.11.2009, 16:47 -0800 schrieb Nicholas Breen:
> > >  * should we start filing wishlist bugs asking packagers not to build against
> > >    MPICH (1) and LAM?
> > 
> > If noone objects by the end of the week, I will file the bugs then. The
> > number of affected packages is really low and the severity wishlist, so
> > I guess we do not need to go through the usual MBF hassle, or do we?
> 
> So the plan would be to use OpenMPI on all architectures where it is
> supported, and MPICH2 on the other ones, using mpi-default?
To me, this would be the best solution.

We could do the third proposal (build for both MPICH2 & OpenMPI) but, at
least to me, it complexifies the build process to have to handle many
different MPI implementations for a low gain for the lambda user.

Sylvestre