- mpi_run -np $((NUM_CLIENTS * THREADS_PER_CLIENT)) -machinefile ${MACHINEFILE} \
- $IOR -a POSIX -b 1g -o $TESTDIR/IOR-file -s 1 -t 1m -v -w -r 1>$LOG &
+ mpi_run ${MACHINEFILE_OPTION} ${MACHINEFILE} \
+ -np $((NUM_CLIENTS * THREADS_PER_CLIENT)) $IOR -a POSIX -b 1g \
+ -o $TESTDIR/IOR-file -s 1 -t 1m -v -w -r 1>$LOG &