It already somewhat does. If you use --display-map at mpirun, you
automatically get display-map whenever MPI_Spawn is called.
We didn't provide a mechanism by which you could only display-map for
MPI_Spawn (and not for the original mpirun), but it would be trivial
to do so - just have to define an info-key for that purpose. Is that
what you need?
On Sep 11, 2008, at 5:35 AM, Greg Watson wrote:
> Ralph,
>
> At the moment -display-map shows the process mapping when mpirun
> first starts, but I'm wondering about processes created dynamically.
> Would it be possible to trigger a map update when MPI_Spawn is called?
>
> Regards,
>
> Greg
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