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From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2005-09-28 13:44:41

On Sep 28, 2005, at 2:40 PM, Jeff Squyres wrote:

> and it should do the Right ordering for you. If you don't want this,
> you can change the default mapping to be "by node", so it will allocate
> one process per node until all slots are taken. For example:
> mpirun -np 2 --hostfile hostfile ./x
> will put MCW rank 0 on host1 and MCW rank 1 on host2.

That should be:

        mpirun -np 2 --hostfile hostfile --bynode ./x

Sorry for the confusion...

{+} Jeff Squyres
{+} The Open MPI Project