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

Tony Curtis anthony.curtis at stonybrook.edu
Fri May 1 13:16:05 CDT 2020

Hi all,

I am trying out MPICH with ch4/UCX.

Our local cluster has SLURM.  I configure with e.g.

       --with-pmix=/path/to/pmix/github-head \
    --with-device=ch4:ucx \
    --with-ucx=/path/to/ucx/1.7.0 \
    --with-pm=no \

Is this correct?  I don’t get an mpi{run, exec} when I make install, assume that’s a consequence of —with-pm=no ?

If so, how do I get a suitable launcher for ch4:ucx ?


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