/usr/lib/petscdir/3.1/bin/mpirun_lam is in libpetsc3.1-dev 3.1.dfsg-11ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | #!/bin/sh
#set -x
#
# This program is a wrapper over lam's mpirun. It converts
# the mpich's mpirun formated command to lam's format.
# and invokes lam's mpirun with it.
#
if [ $1 != "-np" ]; then
echo "Error in mpirun command"
exit 1
fi
shift
np=$1
shift
progname=$1
shift
options=$*
#
# Please modify the following path to point to the correct location of LAM's mpirun
#
lam_path=/usr/bin
#
# Now execute the mpirun comman
#
$lam_path/mpirun.lam -w -c $np -s n0 $progname -- $options
$lam_path/lamclean
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