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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2006-11-06 20:40:35


On Nov 6, 2006, at 9:59 AM, Josh Hursey wrote:

> So if I were to want to do this <in a kludgy way> I would have to
> have something like:
> mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
> [MPI Get: trunk BTL_V1]
> MPI_Details= Open MPI BTL V1
> [MPI Get: trunk BTL_V2]
> MPI_Details= Open MPI BTL V2
>
> [MPI Details: Open MPI BTL V1]
> mpirun -mca btl tcp,self
> [MPI Details: Open MPI BTL V2]
> mpirun -mca btl mx,self
> mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

Ew. But yes. :-)

That being said, it would probably be relatively simple to allow the
mpi_details field to take a comma-delimited list of section names
(sorry, I thought I conveyed that in the last mail but I think I
accidentally left it out). Would that be useful to you?

> Similar to what we would have to do in order to list a run with Open
> MPI and LAM/MPI in the same INI file:
> mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
> [MPI Get: trunk OMPI]
> MPI_Details= Open MPI
> [MPI Get: trunk LAM]
> MPI_Details= LAM/MPI
>
> [MPI Details: Open MPI]
> mpirun -mca btl tcp,self
> [MPI Details: LAM/MPI]
> mpirun -ssi rpi tcp
> mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

Yes. This was the eventual intent (supporting multiple MPI's with
the same test suites -- just providing the "mpirun"-like semantics
for each MPI).

-- 
Jeff Squyres
Server Virtualization Business Unit
Cisco Systems