[mpich-discuss] MPICH 3.3.2 and ch4:ucx launcher

Raffenetti, Kenneth J. raffenet at mcs.anl.gov
Thu May 14 09:54:11 CDT 2020

Sorry, I just read the configure line more closely. Do you have a strict dependency on PMIx? It is not required to run with ch4:ucx. The default process manager (Hydra) supports launching on Slurm clusters out of the box.


On 5/14/20, 9:52 AM, "Raffenetti, Kenneth J. via discuss" <discuss at mpich.org> wrote:

    Sorry for the delayed response. Why are you adding --with-pm=no to your configuration?
    On 5/1/20, 3:20 PM, "Tony Curtis via discuss" <discuss at mpich.org> wrote:
        On May 1, 2020, at 4:04 PM, Sajid Ali <sajidsyed2021 at u.northwestern.edu> wrote:
        Hi Tony,
        Yes, and be sure to set the correct mpi launcher at runtime via the --mpi argument to srun (for more info check this page
        https://slurm.schedmd.com/mpi_guide.html ).
        Thanks - thought so.  I’m just a j. Random user so I can’t do much about this.
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