Output ending timestamp in run-experiment

docker/run-experiment

@@ -12,7 +12,7 @@ done
 shift $((OPTIND-1))
 
 echo ===== Running prac $opts -- $*
-date "+===== %s %F %T"
+date "+===== Start %s %F %T"
 
 # Run, saving the output
 savefile0=$$.p0.out
@@ -31,3 +31,4 @@ docker exec -w /root/prac prac_p1 rm -f $savefile1
 echo ===== P2 output
 docker exec -w /root/prac prac_p2 cat $savefile2
 docker exec -w /root/prac prac_p2 rm -f $savefile2
+date "+===== End %s %F %T"