diff --git a/scripts/run_benchmark.py b/scripts/run_benchmark.py
index cda4bdcf4..8e90f08e1 100755
--- a/scripts/run_benchmark.py
+++ b/scripts/run_benchmark.py
@@ -85,7 +85,6 @@ def detect_cpu(self):
         knm_pattern = re.compile(".*72.*")
         skx_pattern = re.compile(".*[86543]1.*")
         bdw_pattern = re.compile(".*(E5-[421]6|E7-[84]8|E3-12|D-?15).*")
-        clx_pattern = re.compile(".*Genuine.*")
         if re.match(knl_pattern, model_string):
             self.cpu_model = "knl"
         elif re.match(knm_pattern, model_string):
@@ -94,8 +93,6 @@ def detect_cpu(self):
             self.cpu_model = "skx"
         elif re.match(bdw_pattern, model_string):
             self.cpu_model = "bdw"
-        elif re.match(clx_pattern, model_string):
-            self.cpu_model = "clx"
         else:
             self.unknown_cpu = True
             logging.info("Can't detect which cpu model currently using, will use default settings, which may not be the optimal one.")
diff --git a/scripts/run_intelcaffe.sh b/scripts/run_intelcaffe.sh
index 88bb78107..4cab72058 100755
--- a/scripts/run_intelcaffe.sh
+++ b/scripts/run_intelcaffe.sh
@@ -157,8 +157,6 @@ function detect_cpu
         else
             cpu_model_="unknown"
         fi
-    elif [[ $model_string == *"Genuine"* ]]; then
-        cpu_model_="clx"
     else
         model_num=`echo $model_string | awk '{print $4}'`
         if [[ $model_num =~ ^[8|6|5|4|3]1 ]]; then
diff --git a/scripts/set_env.sh b/scripts/set_env.sh
index 30614e35f..d8fcd878f 100755
--- a/scripts/set_env.sh
+++ b/scripts/set_env.sh
@@ -113,15 +113,21 @@ function clear_shm
     min_shm_size=40
     shm_unit="G"
 
+    localhost=$(hostname)
+
     for node in "${nodenames[@]}"
     do
         if [ "${node}" == "" ]; then
             echo "Warning: empty node name."
             continue
         fi
-
-        ssh ${node} "$clear_command"
-        shm_line=`ssh ${node} "$check_shm_command"`
+        if [ $localhost == $node ];then
+            `$clear_command`
+            shm_line=$(eval $check_shm_command)
+        else
+            ssh ${node} "$clear_command"
+            shm_line=`ssh ${node} "$check_shm_command"`
+        fi
         shm_string=`echo $shm_line | awk -F ' ' '{print $(NF-2)}'`
         unit="${shm_string:(-1)}"
         shm_size=${shm_string::-1}
@@ -140,7 +146,11 @@ function kill_zombie_processes
     kill_command="for process in ep_server caffe mpiexec.hydra; do for i in \$(ps -e | grep -w \$process | awk -F ' ' '{print \$1}'); do kill -9 \$i; echo \"\$process \$i killed.\"; done done"
     for node in "${nodenames[@]}"
     do
-        ssh ${node} "$kill_command"
+        if [ $localhost == $node ];then
+           eval "$kill_command"
+        else
+           ssh ${node} "$kill_command"
+        fi
     done
 }