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Add "quiet" flag for mpirun to avoid messages interfering with output capture. #507

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Merged
hategan merged 2 commits into from
Feb 24, 2025
Merged

Add "quiet" flag for mpirun to avoid messages interfering with output capture. #507

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7a9381d
mpirun, on some systems, can print "helpful messages". Except they ar…
hategan Feb 19, 2025
c2954fb
Fixed -q on mpirun from Open MPI 5.
hategan Feb 20, 2025
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10 changes: 8 additions & 2 deletions src/psij/launchers/scripts/mpi_launch.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,15 +6,21 @@ _PSI_J_PROCESS_COUNT="$1"
shift

IS_OPENMPI=0
if mpirun -version | grep "Open MPI" >/dev/null 2>&1; then
IS_OPENMPI_5=0
if mpirun -version | grep "(Open MPI) 5" >/dev/null 2>&1; then
IS_OPENMPI_5=1
elif mpirun -version | grep "Open MPI" >/dev/null 2>&1; then
IS_OPENMPI=1
fi

pre_launch

set +e
if [ "$IS_OPENMPI" == "1" ]; then
if [ "$IS_OPENMPI_5" == "1" ]; then
# there is no -q parameter in OMPI 5
mpirun --oversubscribe -n $_PSI_J_PROCESS_COUNT "$@" 1>$_PSI_J_STDOUT 2>$_PSI_J_STDERR <$_PSI_J_STDIN
elif [ "$IS_OPENMPI" == "1" ]; then
mpirun --oversubscribe -q -n $_PSI_J_PROCESS_COUNT "$@" 1>$_PSI_J_STDOUT 2>$_PSI_J_STDERR <$_PSI_J_STDIN
else
mpirun -n $_PSI_J_PROCESS_COUNT "$@" 1>$_PSI_J_STDOUT 2>$_PSI_J_STDERR <$_PSI_J_STDIN
fi
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