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Subject: Re: [OMPI users] MPI_Spawn and process allocation policy
From: Brian Budge (brian.budge_at_[hidden])
Date: 2012-10-01 13:45:11

On Mon, Oct 1, 2012 at 10:33 AM, Ralph Castain <rhc_at_[hidden]> wrote:
> Yes, that is the expected behavior as you describe it.
> If you want to run on hosts that are not already provided (via hostfile in the environment or on the command line), then you need to use the "add-host" or "add-hostfile" MPI_Info key. See "man MPI_Comm_spawn" for details.

Neat. It works. Thanks, I just didn't quite grasp the difference.