[mpich-discuss] How to spawn a non-MPI process with MPI_Comm_spawn
Raffenetti, Kenneth J.
raffenet at mcs.anl.gov
Tue Jan 7 09:31:52 CST 2020
We do not support such a key at this time, but it seems reasonable to
add. Could you create an issue on our GitHub?
On 1/6/20 9:50 AM, Mccall, Kurt E. (MSFC-EV41) via discuss wrote:
> I’m attempting to use MPICH to manage a number of non-MPI processes.
> The latter call system() and fork(), which as I understand it may cause
> undefined behavior if they were spawned as MPI processes. How do I use
> MPI_Comm_spawn() to launch these processes?
> For example, OpenMpi has a key for the “info” field named
> “ompi_non_mpi”, which causes a non-MPI process to be spawned. Is there
> something similar in MPICH?
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