MPI executables hanging
16 Aug
2023
16 Aug
'23
3:27 p.m.
Hello, I have a job with an executable that was running successfully a few weeks ago (around August 9). Now I’m seeing the mpiexec call to my executable hanging indefinitely until walltime kills the job. I am able to get a CPU MPI executable to run with `export MPIR_CVAR_ENABLE_GPU=0`, but an mpiexec with a different executable with MPI ranks that run on the GPU still hangs no matter what I set MPIR_CVAR_ENABLE_GPU to. Has something changed recently? Should I rebuild my executable that was built on August 9 to account for any changes to the environment? Jon
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Rood, Jon