You should be able to do:
mpiexec c0 prog0 : c1 prog1 : c2 prog2 ....
The cX value will automatically be "wrapped" by LAM if you go over the
total number of CPU's.
On Sep 21, 2004, at 12:52 PM, David Cox wrote:
> I need to launch several MPI programs in the same
> MPI_COMM_WORLD, but only one copy of each. Is there a
> way to do this and still take advantage of LAM's
> scheduling for which CPU each process is on? Right
> now mpiexec -n 1 prog1 : -n1 prog2 : .... etc will
> launch all processes on my first host.
>
> I realize that I can specify hosts and whatnot in an
> app schema, but the number of process will vary, and I
> would rather have LAM parse my hostfile and
> distributed processes acccordingly. Any tips would be
> great appreciated.
>
> -Dave Cox
>
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--
{+} Jeff Squyres
{+} jsquyres_at_[hidden]
{+} http://www.lam-mpi.org/
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