diff --git a/benchmark/run.sh b/benchmark/run.sh
index ac623ca08..c3684e3ae 100755
--- a/benchmark/run.sh
+++ b/benchmark/run.sh
@@ -1,4 +1,4 @@
-#!/bin/bash 
+#!/bin/bash
 
 function force_exit {
     echo "Committing suicide (PID $$)"
@@ -16,7 +16,7 @@ function hosts() {
  HOST_LIST=( isc17-c04 isc17-c05 isc17-c06 isc17-c07 isc17-c08 isc17-c09 isc17-c11 isc17-c12 isc17-c13 isc17-c14 isc17-c15 isc17-c18 isc17-c22 isc17-c01 isc17-c02 isc17-c03 )
 
     hlist=${HOST_LIST[0]}
-    for POS in $(seq 1 $(($num - 1))) ; do 
+    for POS in $(seq 1 $(($num - 1))) ; do
         hlist="$hlist,${HOST_LIST[$POS]}"
     done
     echo $hlist
@@ -44,10 +44,10 @@ PPN_ARR=( 8 4 1 6 2)
 T_ARR=( $((10*1024*1024)) $((1*1024*1024)) $((100*1024)) $((16*1024)) )
 
 for COUNT in $(seq 1); do
-for NN in ${NN_ARR[@]}; do 
-for T in ${T_ARR[@]}; do 
-for PPN in ${PPN_ARR[@]}; do 
-for API in ${API_ARR[@]}; do 
+for NN in ${NN_ARR[@]}; do
+for T in ${T_ARR[@]}; do
+for PPN in ${PPN_ARR[@]}; do
+for API in ${API_ARR[@]}; do
 
     BENCHFILE="./output/COUNT:$COUNT#NN:$NN#PPN:$PPN#API:$API#T:$T.txt"
 
@@ -76,12 +76,14 @@ for API in ${API_ARR[@]}; do
         if [ -d $TESTDIR ]; then
 		rm -r $TESTDIR
         fi
-        mkdir -p $TESTDIR 
+        mkdir -p $TESTDIR
         lfs setstripe	-c $((2 * $NN)) $TESTDIR
 	(
         set -x
         $MPIEXEC $MPIEXEC_PARAMS $IOR $IOR_PARAMS -o $LUSTRE_TESTFILE_WRITE -w | tee -a $BENCHFILE
+        free -m
         $MPIEXEC $MPIEXEC_PARAMS /esfs/jtacquaviva/git/ime-evaluation/drop_caches.sh
+        free -m
         $MPIEXEC $MPIEXEC_PARAMS $IOR $IOR_PARAMS -o $LUSTRE_TESTFILE_READ -r | tee -a $BENCHFILE
         set +x
 	) 2> >(tee -a $BENCHFILE)
@@ -95,4 +97,3 @@ done
 done
 done
 done
-