diff --git a/.gitignore b/.gitignore
index e24bb3325979c9e6151ae090b853f733d2151dea..769047a4de7baaf6c9682196b76f08f9ba631ab0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,5 @@ tags
 cmake-build-debug/
 *.pyc
 mace/codegen/models/
-mace/codegen/opencl/
 mace/codegen/opencl_bin/
-mace/codegen/tuning/
 mace/codegen/version/
diff --git a/mace/codegen/opencl/opencl_compiled_program.cc b/mace/codegen/opencl/opencl_compiled_program.cc
new file mode 100644
index 0000000000000000000000000000000000000000..35c5d6417e8e11205799f20c1d9d533eb13271a7
--- /dev/null
+++ b/mace/codegen/opencl/opencl_compiled_program.cc
@@ -0,0 +1,16 @@
+//
+// Copyright (c) 2017 XiaoMi All rights reserved.
+//
+
+// This is a generated file, DO NOT EDIT
+
+#include <map>
+#include <string>
+#include <vector>
+
+namespace mace {
+
+extern const std::map<std::string, std::vector<unsigned char>>
+    kCompiledProgramMap = {};
+
+}  // namespace
diff --git a/mace/codegen/tuning/tuning_params.cc b/mace/codegen/tuning/tuning_params.cc
new file mode 100644
index 0000000000000000000000000000000000000000..12b5199bc2dcff7dab6bbd3fb68e0c9c7addd0f6
--- /dev/null
+++ b/mace/codegen/tuning/tuning_params.cc
@@ -0,0 +1,16 @@
+//
+// Copyright (c) 2017 XiaoMi All rights reserved.
+//
+
+// This is a generated file, DO NOT EDIT
+
+#include <map>
+#include <string>
+#include <vector>
+
+namespace mace {
+
+extern const std::map<std::string, std::vector<unsigned int>>
+    kTuningParamsData = {};
+
+}  // namespace
diff --git a/tools/validate_gcn.sh b/tools/validate_gcn.sh
index d6dec6417b94e8d30d804d6f3c127936464b8b31..ed7d1875a2575344352022c1dab7d6dc8fbdba23 100755
--- a/tools/validate_gcn.sh
+++ b/tools/validate_gcn.sh
@@ -23,7 +23,7 @@ MACE_SOURCE_DIR=`/bin/pwd`
 INPUT_FILE_NAME='model_input'
 OUTPUT_FILE_NAME='gcn.out'
 OUTPUT_LIST_FILE='gcn.list'
-PHONE_DATA_DIR="/data/local/tmp/${MODEL_TAG}"
+PHONE_DATA_DIR="/data/local/tmp/mace_gcn"
 KERNEL_DIR="${PHONE_DATA_DIR}/cl/"
 CODEGEN_DIR=${MACE_SOURCE_DIR}/mace/codegen
 MODEL_CODEGEN_DIR=${CODEGEN_DIR}/models/${MODEL_TAG}
@@ -51,7 +51,7 @@ build_and_run()
   bazel build --verbose_failures -c opt --strip always mace/examples:mace_run \
     --crosstool_top=//external:android/crosstool \
     --host_crosstool_top=@bazel_tools//tools/cpp:toolchain \
-    --cpu=arm64-v8a \
+    --cpu=armeabi-v7a \
     --copt="-std=c++11" \
     --copt="-D_GLIBCXX_USE_C99_MATH_TR1" \
     --copt="-Werror=return-type" \