diff --git a/mace/core/mace.cc b/mace/core/mace.cc
index 770a8067cc735e02c89123d98aab879c1c619986..47d49dfeb3c0441ab4b34fb2888bd1b471724a5f 100644
--- a/mace/core/mace.cc
+++ b/mace/core/mace.cc
@@ -513,14 +513,22 @@ const OperatorDef &NetDef::op(const int idx) const {
 MaceEngine::MaceEngine(const NetDef *net_def, DeviceType device_type) :
     op_registry_(new OperatorRegistry()), device_type_(device_type),
     ws_(new Workspace()), net_(nullptr), hexagon_controller_(nullptr) {
-
+  ws_->CreateTensor("mace_input_node:0",
+                    GetDeviceAllocator(device_type_),
+                    DT_FLOAT);
+  ws_->CreateTensor("mace_output_node:0",
+                    GetDeviceAllocator(device_type_),
+                    DT_FLOAT);
   if (device_type == HEXAGON) {
     hexagon_controller_.reset(new HexagonControlWrapper());
     hexagon_controller_->Init();
-    hexagon_controller_->SetDebugLevel(0);
+    hexagon_controller_->SetDebugLevel(
+      static_cast<int>(mace::internal::LogMessage::MinVLogLevel()));
     hexagon_controller_->Config();
     hexagon_controller_->SetupGraph(*net_def);
-    hexagon_controller_->PrintGraph();
+    if (VLOG_IS_ON(2)) {
+      hexagon_controller_->PrintGraph();
+    }
   } else {
     ws_->LoadModelTensor(*net_def, device_type);
 
@@ -531,19 +539,15 @@ MaceEngine::MaceEngine(const NetDef *net_def, DeviceType device_type) :
       LOG(FATAL) << "Net init run failed";
     }
     ws_->RemoveUnsedTensor();
-    ws_->CreateTensor("mace_input_node:0",
-                      GetDeviceAllocator(device_type_),
-                      DT_FLOAT);
-    ws_->CreateTensor("mace_output_node:0",
-                      GetDeviceAllocator(device_type_),
-                      DT_FLOAT);
     net_ = std::move(CreateNet(op_registry_, *net_def, ws_.get(), device_type));
   }
 }
 MaceEngine::~MaceEngine() {
   if (device_type_ == HEXAGON) {
-    hexagon_controller_->GetPerfInfo();
-    hexagon_controller_->PrintLog();
+    if (VLOG_IS_ON(2)) {
+      hexagon_controller_->GetPerfInfo();
+      hexagon_controller_->PrintLog();
+    }
     hexagon_controller_->TeardownGraph();
     hexagon_controller_->Finalize();
   }
diff --git a/mace/core/runtime/hexagon/hexagon_control_wrapper.cc b/mace/core/runtime/hexagon/hexagon_control_wrapper.cc
index 89c09c91e78cc24b8558949067d3a4a48facb553..032f29d1e5a24226585cde6ca92ab17aa953d9cf 100644
--- a/mace/core/runtime/hexagon/hexagon_control_wrapper.cc
+++ b/mace/core/runtime/hexagon/hexagon_control_wrapper.cc
@@ -184,7 +184,7 @@ void HexagonControlWrapper::SetDebugLevel(int level) {
 void HexagonControlWrapper::GetPerfInfo() {
   LOG(INFO) << "Get perf info";
   vector<hexagon_nn_perfinfo> perf_info(MAX_NODE);
-  unsigned int n_items;
+  unsigned int n_items = 0;
   hexagon_nn_get_perfinfo(nn_id_, perf_info.data(), MAX_NODE, &n_items);
 
   std::unordered_map<uint32_t, float> node_id_counters;
diff --git a/mace/core/runtime/hexagon/libhexagon_controller.so b/mace/core/runtime/hexagon/libhexagon_controller.so
index da6f257e152d486dc82e686e2fe6cad2f60bd173..0ff470a75cf04a6f489fdc9e2113c7ea09cb35e5 100755
Binary files a/mace/core/runtime/hexagon/libhexagon_controller.so and b/mace/core/runtime/hexagon/libhexagon_controller.so differ
diff --git a/mace/examples/mace_run.cc b/mace/examples/mace_run.cc
index 825a19645dc88f743f8b3365d57be958b9496de7..2d57d7f794922ff001327fca7928768af25f8f11 100644
--- a/mace/examples/mace_run.cc
+++ b/mace/examples/mace_run.cc
@@ -124,7 +124,7 @@ int main(int argc, char **argv) {
       Flag("output_shape", &output_shape, "output shape, separated by comma"),
       Flag("input_file", &input_file, "input file name"),
       Flag("output_file", &output_file, "output file name"),
-      Flag("device", &device, "CPU/NEON"),
+      Flag("device", &device, "CPU/NEON/OPENCL/HEXAGON"),
       Flag("round", &round, "round"),
       Flag("malloc_check_cycle", &malloc_check_cycle,
            "malloc debug check cycle, -1 to disable"),
@@ -175,7 +175,7 @@ int main(int argc, char **argv) {
                  input_size * sizeof(float));
     in_file.close();
   } else {
-    LOG(ERROR) << "Open input file failed";
+    LOG(FATAL) << "Open input file failed";
   }
 
   // Init model
diff --git a/tools/validate_gcn_dsp.sh b/tools/validate_gcn_dsp.sh
index d155136b923b1075bdf21e2bcdd55dd1dba668d2..5bd30df44822beca6c2f92f2b0e6c688de28a452 100755
--- a/tools/validate_gcn_dsp.sh
+++ b/tools/validate_gcn_dsp.sh
@@ -36,13 +36,17 @@ build_and_run()
     --cpu=armeabi-v7a \
     --copt="-std=c++11" \
     --copt="-D_GLIBCXX_USE_C99_MATH_TR1" \
-    --copt="-Werror=return-type"
+    --copt="-Werror=return-type" \
+    --copt="-DMACE_MODEL_TAG=${MODEL_TAG}" \
+    --define hexagon=true --define production=true || exit -1
 
-  adb shell "mkdir -p ${PHONE_DATA_DIR}"
-  adb push ${MODEL_DIR}/${INPUT_FILE_NAME} ${PHONE_DATA_DIR}
-  adb push bazel-bin/mace/examples/mace_run ${PHONE_DATA_DIR}
+  adb shell "mkdir -p ${PHONE_DATA_DIR}" || exit -1
+  adb push ${MODEL_DIR}/${INPUT_FILE_NAME} ${PHONE_DATA_DIR} || exit -1
+  adb push bazel-bin/mace/examples/mace_run ${PHONE_DATA_DIR} || exit -1
+  adb push mace/core/runtime/hexagon/libhexagon_controller.so ${PHONE_DATA_DIR} || exit -1
 
   adb </dev/null shell \
+    LD_LIBRARY_PATH=${PHONE_DATA_DIR} \
     MACE_CPP_MIN_VLOG_LEVEL=$VLOG_LEVEL \
     MACE_RUN_PARAMETER_PATH=${PHONE_DATA_DIR}/mace_run.config \
     ${PHONE_DATA_DIR}/mace_run \
@@ -50,15 +54,15 @@ build_and_run()
     --output_shape="1,${IMAGE_SIZE},${IMAGE_SIZE},2"\
     --input_file=${PHONE_DATA_DIR}/${INPUT_FILE_NAME} \
     --output_file=${PHONE_DATA_DIR}/${OUTPUT_FILE_NAME} \
-    --device=HEXAGON   \
-    --round=$round
+    --device=HEXAGON \
+    --round=2 || exit -1
 }
 
 echo "Step 1: Generate input data"
 rm -rf ${MODEL_DIR}/${INPUT_FILE_NAME}
 python tools/validate.py --generate_data true \
  --input_file=${MODEL_DIR}/${INPUT_FILE_NAME} \
- --input_shape="${IMAGE_SIZE},${IMAGE_SIZE},3"
+ --input_shape="${IMAGE_SIZE},${IMAGE_SIZE},3" || exit -1
 
 echo "Step 2: Convert tf model to mace model and optimize memory"
 bazel build //mace/python/tools:tf_converter
@@ -73,7 +77,7 @@ bazel-bin/mace/python/tools/tf_converter --input=${TF_MODEL_FILE_PATH} \
                                          --output_type=source \
                                          --template=${MACE_SOURCE_DIR}/mace/python/tools/model.template \
                                          --model_tag=${MODEL_TAG} \
-                                         --obfuscate=True
+                                         --obfuscate=True || exit -1
 
 echo "Step 3: Generate version source"
 rm -rf ${VERSION_SOURCE_PATH}