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kill a MPI job on Linux in a clean way

CFD_J_
Beginner
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Currently I use killall or pkill to do it. But there are quite a few messages on the screen.

I am wondering if there is a clean way to delete a MPI job?

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TimP
Honored Contributor III
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This may depend on which variety of MPI you have, as well as whether you are running under a job scheduler  mpdallexit used to be preferred for Intel and similar MPI implementation when running with full privilege and no scheduler.  Questions about Intel MPI may be asked on the companion cluster/HPC forum.

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