在我们的集群上,当我提交请求超过(包括)40 个节点或 640 个内核的作业时,$LSB_HOSTS 变空,因此作业停止。我使用这个变量来生成一个 nodelist 文件,我将它与 mpirun 命令行一起使用,如下所示:
#BSUB -q cpu
#BSUB -J gromacs
#BSUB -o job.out
#BSUB -e job.err
#BSUB -n 640
#####################################################
#####################################################
INPUT=test184000atoms_verlet.tpr
echo ""
echo "----------------------- INTIALIZATIONS -----------------------------"
echo ""
source /lustre/utility/intel/composer_xe_2013.3.163/bin/compilervars.sh intel64
source /lustre/utility/intel/mkl/bin/intel64/mklvars_intel64.sh
source /lustre/utility/intel/impi/4.1.1.036/bin64/mpivars.sh
MPIRUN=/path/to/intel/impi/4.1.1.036/intel64/bin/mpirun
EXE=mdrun_mpi
if test ! -x `which $EXE` ; then
echo
echo "ERROR: `which $EXE` not existent or not executable"
echo "Aborting"
exit 1
fi
CURDIR=$PWD
cd $CURDIR
rm -f nodelist >& /dev/null
touch nodelist
for host in `echo $LSB_HOSTS`
do
echo $host >> nodelist
sleep 2
done
NP=`cat nodelist |wc -l`
NN=`cat nodelist |sort |uniq|tee nodes |wc -l`
echo
echo "Executable : `which $EXE`"
echo "Working directory is $CURDIR"
echo "Running on host `hostname`"
echo "Directory is `pwd`"
echo "This jobs runs on $NN nodes"
echo "This job has allocated $NP core(s)"
echo
ulimit -aH
echo
ls -al
echo ""
echo "----------------------- RUN -----------------------------"
echo ""
date '+RUN STARTED ON %m/%d/%y AT %H:%M:%S'
$MPIRUN -np $NN -machinefile nodes $EXE -v -deffnm $INPUT >& $EXE.log
date '+RUN ENDED ON %m/%d/%y AT %H:%M:%S'
echo ""
echo "----------------------- DONE ----------------------------"
echo ""
ls -al
这里有什么提示吗?
你能看出这个脚本有什么问题吗?
谢谢,
埃里克。