Add a line to unount all the snap loop devices

scripts/run_job.sh

@@ -2,7 +2,11 @@
 
 . CONFIG
 
+# stop unnecessary services
 sudo systemctl stop ${SERVICES}
 
+# Unmount all the snap loop devices
+for mount in $(df -h | grep loop.*snap | awk '{print $6}'); do sudo umount $mount; done
+
 cd ${SCRIPTSDIR}/../configs
 ${WORKDIR}/hpl-2.3/bin/rpi4-mpich/xhpl