Hi,
Thanks Jeff.
--- Jeff Squyres <jsquyres_at_[hidden]> wrote:
> The common case is to have the image executable
> stored on all nodes.
> But if you don't have a shared filesystem, you can
> use the "-s" switch
> to mpirun to have LAM send your executable around to
> all nodes.
Thanks for the tip.
Will use that when I run mpirun.
>Note,
> however, that LAM does not use a scalable method to
> send your
> executable around, so if you go to more than a few
> nodes, it could be
> quite slow.
>
> mpirun -s n1 C image
I can imagine the amount of network usage with
scalability to 8 or 16 CPU's.
That would bring the network to a crawl in case of
large executables.
> See the man page for mpirun(1) for more details.
>
> You might want to check out the LAM/MPI User Guide
> and/or the LAM/MPI
> FAQ. See:
>
> http://www.lam-mpi.org/using/docs/
> http://www.lam-mpi.org/faq/
>
I understand that a shared filesystem is the best way
to go about it. Will a NFS mount of my /home partition
, with the other nodesusing the same NFS mount as
/home work ?
Regards,
Toufeeq Hussain
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