diff --git a/paddle/fluid/lite/CMakeLists.txt b/paddle/fluid/lite/CMakeLists.txt
index 05a1f339cd5f29b0807c5101d0b398d96950819a..aae03d3aba8a908d5678bf04bb4c04eb60028de3 100644
--- a/paddle/fluid/lite/CMakeLists.txt
+++ b/paddle/fluid/lite/CMakeLists.txt
@@ -104,7 +104,7 @@ file(WRITE ${offline_lib_registry_file} "") # clean
 #  LIGHT_DEPS:    LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
 #  HVY_DEPS:      NOT LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
 function(lite_cc_library TARGET)
-    set(options "")
+    set(options STATIC static SHARED shared)
     set(oneValueArgs "")
     set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS ARM_DEPS PROFILE_DEPS LIGHT_DEPS
       HVY_DEPS ARGS)
@@ -120,8 +120,11 @@ function(lite_cc_library TARGET)
             LIGHT_DEPS ${args_LIGHT_DEPS}
             HVY_DEPS ${args_HVY_DEPS}
             )
-
-    cc_library(${TARGET} SRCS ${args_SRCS} DEPS ${deps} ${args_DEPS})
+    if (${args_SHARED} OR ${args_shared})
+        cc_library(${TARGET} SRCS ${args_SRCS} DEPS ${deps} ${args_DEPS} SHARED)
+    else()
+        cc_library(${TARGET} SRCS ${args_SRCS} DEPS ${deps} ${args_DEPS})
+    endif()
 
     # collect targets need to compile for lite
     add_dependencies(lite_compile_deps ${TARGET})
diff --git a/paddle/fluid/lite/api/CMakeLists.txt b/paddle/fluid/lite/api/CMakeLists.txt
index ea74ed317e4d548091cbdae96736e9160482df71..59d0c641ceb6d0d6652796ecbe89ed48814e54e3 100644
--- a/paddle/fluid/lite/api/CMakeLists.txt
+++ b/paddle/fluid/lite/api/CMakeLists.txt
@@ -100,14 +100,12 @@ lite_cc_test(test_apis_lite SRCS apis_test.cc
   ARGS --model_dir=${LITE_MODEL_DIR}/lite_naive_model
       --optimized_model=${LITE_MODEL_DIR}/lite_naive_model_opt SERIAL)
 
-lite_cc_library(cxx_api_impl_lite SRCS cxx_api_impl.cc DEPS cxx_api_lite)
-lite_cc_library(light_api_impl_lite SRCS light_api_impl.cc DEPS light_api_lite)
+lite_cc_library(paddle_api_lite SRCS paddle_api.cc DEPS op_params_lite)
 
-lite_cc_library(paddle_api_full SRCS paddle_api.cc DEPS cxx_api_impl_lite light_api_impl_lite)
-lite_cc_library(paddle_api_light SRCS paddle_api.cc DEPS light_api_impl_lite)
+lite_cc_library(paddle_api_full SRCS cxx_api_impl.cc DEPS cxx_api_lite paddle_api_lite light_api_lite)
+lite_cc_library(paddle_api_light SRCS light_api_impl.cc DEPS light_api_lite paddle_api_lite)
 
-
-lite_cc_test(test_paddle_api_lite SRCS paddle_api_test.cc DEPS cxx_api_lite light_api_lite paddle_api_full
+lite_cc_test(test_paddle_api_lite SRCS paddle_api_test.cc DEPS paddle_api_full paddle_api_light
   ${ops_lite}
   ARM_DEPS ${arm_kernels}
   X86_DEPS ${x86_kernels}
@@ -116,7 +114,9 @@ if (WITH_TESTING)
     add_dependencies(test_paddle_api_lite extern_lite_download_lite_naive_model_tar_gz)
 endif()
 
-#lite_cc_binary(cxx_api_lite_bin SRCS cxx_api_bin.cc
-    #X86_DEPS operator
-    #DEPS light_api_lite model_parser_lite target_wrapper_host mir_passes
-    #ARM_DEPS ${arm_kernels})
+lite_cc_binary(model_optimize_tool SRCS model_optimize_tool.cc DEPS paddle_api_full)
+
+# lite_cc_binary(cxx_api_lite_bin SRCS cxx_api_bin.cc
+#     X86_DEPS operator
+#     DEPS light_api_lite model_parser_lite target_wrapper_host mir_passes
+#     ARM_DEPS ${arm_kernels})
diff --git a/paddle/fluid/lite/api/model_optimize_tool.cc b/paddle/fluid/lite/api/model_optimize_tool.cc
new file mode 100644
index 0000000000000000000000000000000000000000..92240e4586f092bcd106e9a14cd34e3e3d4f02a5
--- /dev/null
+++ b/paddle/fluid/lite/api/model_optimize_tool.cc
@@ -0,0 +1,76 @@
+// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <gflags/gflags.h>
+#include <glog/logging.h>
+#include <gtest/gtest.h>
+#include "paddle/fluid/lite/api/paddle_api.h"
+#include "paddle/fluid/lite/api/paddle_use_kernels.h"
+#include "paddle/fluid/lite/api/paddle_use_ops.h"
+#include "paddle/fluid/lite/api/paddle_use_passes.h"
+#include "paddle/fluid/lite/utils/string.h"
+
+DEFINE_string(model_dir, "", "path of the model");
+DEFINE_string(optimize_out, "", "path of the output optimized model");
+DEFINE_string(valid_targets, "ARM",
+              "The targets this model optimized for, should be one of (arm, "
+              "opencl, x86), splitted by space");
+DEFINE_bool(int8_mode, false, "Support Int8 quantitative mode");
+
+namespace paddle {
+namespace lite_api {
+
+void Main() {
+  lite_api::CxxConfig config;
+  config.set_model_dir(FLAGS_model_dir);
+
+  std::vector<Place> valid_places;
+  auto target_reprs = lite::Split(FLAGS_valid_targets, " ");
+  for (auto& target_repr : target_reprs) {
+    if (target_repr == "arm") {
+      valid_places.emplace_back(TARGET(kARM));
+    } else if (target_repr == "opencl") {
+      valid_places.emplace_back(TARGET(kOpenCL));
+    } else if (target_repr == "x86") {
+      valid_places.emplace_back(TARGET(kX86));
+    } else {
+      LOG(FATAL) << lite::string_format(
+          "Wrong target '%s' found, please check the command flag "
+          "'valid_targets'",
+          target_repr.c_str());
+    }
+  }
+
+  CHECK(!valid_places.empty())
+      << "At least one target should be set, should set the "
+         "command argument 'valid_targets'";
+  if (FLAGS_int8_mode) {
+    LOG(WARNING) << "Int8 mode is only support by ARM target";
+    valid_places.push_back(Place{TARGET(kARM), PRECISION(kInt8)});
+    config.set_preferred_place(Place{TARGET(kARM), PRECISION(kInt8)});
+  }
+  config.set_valid_places(valid_places);
+
+  auto predictor = lite_api::CreatePaddlePredictor(config);
+  predictor->SaveOptimizedModel(FLAGS_optimize_out);
+}
+
+}  // namespace lite_api
+}  // namespace paddle
+
+int main(int argc, char** argv) {
+  google::ParseCommandLineFlags(&argc, &argv, false);
+  paddle::lite_api::Main();
+  return 0;
+}
diff --git a/paddle/fluid/lite/api/paddle_api_test.cc b/paddle/fluid/lite/api/paddle_api_test.cc
index 87e930b3e8a874e44ce54a211e94f687896d4c33..668d6953003eb839d394aa26b244970ead6e41c8 100644
--- a/paddle/fluid/lite/api/paddle_api_test.cc
+++ b/paddle/fluid/lite/api/paddle_api_test.cc
@@ -56,6 +56,7 @@ TEST(CxxApi, run) {
   predictor->SaveOptimizedModel(FLAGS_model_dir + ".opt2");
 }
 
+#ifdef LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
 TEST(LightApi, run) {
   lite_api::MobileConfig config;
   config.set_model_dir(FLAGS_model_dir + ".opt2");
@@ -79,6 +80,7 @@ TEST(LightApi, run) {
   EXPECT_NEAR(out[0], 50.2132, 1e-3);
   EXPECT_NEAR(out[1], -28.8729, 1e-3);
 }
+#endif
 
 }  // namespace lite_api
 }  // namespace paddle
diff --git a/paddle/fluid/lite/api/paddle_place.h b/paddle/fluid/lite/api/paddle_place.h
index 6b0657af1981e6d4a0bfd8328ee56e18bb70d6de..e85987883fe1d74a2e8557f4d180866456cc89d7 100644
--- a/paddle/fluid/lite/api/paddle_place.h
+++ b/paddle/fluid/lite/api/paddle_place.h
@@ -83,7 +83,7 @@ struct Place {
   int16_t device{0};  // device ID
 
   Place() = default;
-  Place(TargetType target, PrecisionType precision,
+  Place(TargetType target, PrecisionType precision = PRECISION(kFloat),
         DataLayoutType layout = DATALAYOUT(kNCHW), int16_t device = 0)
       : target(target), precision(precision), layout(layout), device(device) {}
 
diff --git a/paddle/fluid/lite/core/CMakeLists.txt b/paddle/fluid/lite/core/CMakeLists.txt
index 33866fa5bcc12fda63f142452ad65f9816c81ef5..9bcb5a0aaabd85f8fad3955efd3b72c915019ac8 100644
--- a/paddle/fluid/lite/core/CMakeLists.txt
+++ b/paddle/fluid/lite/core/CMakeLists.txt
@@ -31,7 +31,7 @@ cc_library(types_lite SRCS types.cc)
 cc_library(type_system SRCS type_system.cc DEPS ${tensor_lite} target_wrapper_lite)
 
 lite_cc_library(program_lite SRCS program.cc
-    DEPS op_lite kernel_lite compatible_pb_lite model_parser_lite
+    DEPS op_lite kernel_lite compatible_pb_lite model_parser_lite ${ops_lite}
     HVY_DEPS framework_proto
     PROFILE_DEPS basic_profiler_lite)
 cc_library(optimizer_lite SRCS optimizer.cc DEPS mir_pass_manager model_parser_lite program_lite)
diff --git a/paddle/fluid/lite/gen_code/CMakeLists.txt b/paddle/fluid/lite/gen_code/CMakeLists.txt
index 9c7e895ed5d1b35c4b19f2820a40f416a7d50a70..771dbdabc7d330986406bbb8da28b9479034095e 100644
--- a/paddle/fluid/lite/gen_code/CMakeLists.txt
+++ b/paddle/fluid/lite/gen_code/CMakeLists.txt
@@ -26,3 +26,5 @@ if (NOT LITE_WITH_LIGHT_WEIGHT_FRAMEWORK)
     add_dependencies(__generated_code__ test_gen_code_lite)
     add_dependencies(__generated_code__ extern_lite_download_lite_naive_model_tar_gz)
 endif()
+
+lite_cc_binary(paddle_code_generator SRCS paddle_code_generator.cc DEPS model_parser_lite gen_code_lite)
diff --git a/paddle/fluid/lite/gen_code/gen_code.cc b/paddle/fluid/lite/gen_code/gen_code.cc
index a50241bb715ceb91a40745dfa2990d64f19eb20b..c0b219fd0f4a43481cf09faaa1b858caefef420c 100644
--- a/paddle/fluid/lite/gen_code/gen_code.cc
+++ b/paddle/fluid/lite/gen_code/gen_code.cc
@@ -111,6 +111,15 @@ void Module::AddOpDescHelper(const std::string &op_id,
         return std::to_string(desc.GetAttr<bool>(name));
       case AttrType::STRING:
         return "\"" + desc.GetAttr<std::string>(name) + "\"";
+      case AttrType::FLOATS: {
+        auto vals = desc.GetAttr<std::vector<float>>(name);
+        return "{" + Join(vals, ",") + "}";
+      }
+      case AttrType::INTS: {
+        auto vals = desc.GetAttr<std::vector<int>>(name);
+        return "{" + Join(vals, ",") + "}";
+      }
+
       case AttrType::STRINGS: {
         std::vector<std::string> tmp;
         auto vals = desc.GetAttr<std::vector<std::string>>(name);
@@ -137,8 +146,12 @@ void Module::AddOpDescHelper(const std::string &op_id,
         return "bool";
       case AttrType::STRING:
         return "std::string";
+      case AttrType::FLOATS:
+        return "std::vector<float>";
       case AttrType::STRINGS:
         return "std::vector<std::string>";
+      case AttrType::INTS:
+        return "std::vector<int>";
       default:
         LOG(FATAL) << "Unsupported attribute type: " << static_cast<int>(type);
     }
@@ -160,6 +173,8 @@ void Module::AddOp(const cpp::OpDesc &op) {
   auto op_name = OpUniqueName();
   AddOpDescHelper(op_name, op);
 
+  LOG(INFO) << "add op " << op_name;
+
   Line(string_format("// Create Op: %s", op.Type().c_str()));
 
   Line(string_format("auto %s = lite::LiteOpRegistry::Global().Create(\"%s\");",
diff --git a/paddle/fluid/lite/gen_code/paddle_code_generator.cc b/paddle/fluid/lite/gen_code/paddle_code_generator.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cade92063171b79a994c713e4b150ca57ba53cd3
--- /dev/null
+++ b/paddle/fluid/lite/gen_code/paddle_code_generator.cc
@@ -0,0 +1,49 @@
+// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <gflags/gflags.h>
+#include "paddle/fluid/lite/gen_code/gen_code.h"
+#include "paddle/fluid/lite/model_parser/model_parser.h"
+
+DEFINE_string(optimized_model, "", "");
+DEFINE_string(generated_code_file, "__generated_code__.cc", "");
+
+namespace paddle {
+namespace lite {
+namespace gencode {
+
+void GenCode(const std::string& model_dir, const std::string& out_file) {
+  lite::Scope scope;
+  framework::proto::ProgramDesc desc;
+  LoadModel(model_dir, &scope, &desc);
+
+  ProgramCodeGenerator codegen(desc, scope);
+
+  std::ofstream file(out_file);
+
+  file << codegen.GenCode();
+
+  file.close();
+}
+
+}  // namespace gencode
+}  // namespace lite
+}  // namespace paddle
+
+int main(int argc, char** argv) {
+  google::ParseCommandLineFlags(&argc, &argv, false);
+  paddle::lite::gencode::GenCode(FLAGS_optimized_model,
+                                 FLAGS_generated_code_file);
+  return 0;
+}
diff --git a/paddle/fluid/lite/tools/build.sh b/paddle/fluid/lite/tools/build.sh
index 3630f9da7d443b66ad763c00ebb9cc536ce09fe9..3bb4b219a2c077bb3a40af2e5c9c9abf062d56fd 100755
--- a/paddle/fluid/lite/tools/build.sh
+++ b/paddle/fluid/lite/tools/build.sh
@@ -4,6 +4,7 @@ set -ex
 TESTS_FILE="./lite_tests.txt"
 LIBS_FILE="./lite_libs.txt"
 
+readonly ADB_WORK_DIR="/data/local/tmp"
 readonly common_flags="-DWITH_LITE=ON -DLITE_WITH_LIGHT_WEIGHT_FRAMEWORK=OFF -DWITH_PYTHON=OFF -DWITH_TESTING=ON -DLITE_WITH_ARM=OFF"
 
 NUM_CORES_FOR_COMPILE=8
@@ -183,7 +184,36 @@ function test_arm_model {
     adb -s emulator-${port} shell chmod +x "${adb_work_dir}/${test_name}"
     local adb_model_path="${adb_work_dir}/`basename ${model_dir}`"
     adb -s emulator-${port} shell "${adb_work_dir}/${test_name} --model_dir=$adb_model_path"
+}
+
+function _test_model_optimize_tool {
+    local port=$1
+    local remote_model_path=$ADB_WORK_DIR/lite_naive_model
+    local remote_test=$ADB_WORK_DIR/model_optimize_tool
+    local adb="adb -s emulator-${port}"
+
+    make model_optimize_tool -j$NUM_CORES_FOR_COMPILE
+    local test_path=$(find . -name model_optimize_tool)
+    local model_path=$(find . -name lite_naive_model)
+    $adb push ${test_path} ${ADB_WORK_DIR}
+    $adb shell mkdir -p $remote_model_path
+    $adb push $model_path/* $remote_model_path
+    $adb shell $remote_test --model_dir $remote_model_path --optimize_out ${remote_model_path}.opt \
+         --valid_targets "arm"
+}
 
+function _test_paddle_code_generator {
+    local port=$1
+    local test_name=paddle_code_generator
+    local remote_test=$ADB_WORK_DIR/$test_name
+    local remote_model=$ADB_WORK_DIR/lite_naive_model.opt
+    local adb="adb -s emulator-${port}"
+
+    make paddle_code_generator -j$NUM_CORES_FOR_COMPILE
+    local test_path=$(find . -name $test_name)
+
+    $adb push $test_path $remote_test
+    $adb shell $remote_test --optimized_model $remote_model --generated_code_file $ADB_WORK_DIR/gen_code.cc
 }
 
 function cmake_arm {
@@ -273,6 +303,9 @@ function test_arm {
 
     # test finally
     test_arm_api $port
+
+    _test_model_optimize_tool $port
+    _test_paddle_code_generator $port
 }
 
 function prepare_emulator {
diff --git a/paddle/fluid/lite/utils/string.h b/paddle/fluid/lite/utils/string.h
index b32291ec3551459edfbed789379af63cc3db8ada..797fb4be3e56ef07a4ebf648f8cb472b7c59727f 100644
--- a/paddle/fluid/lite/utils/string.h
+++ b/paddle/fluid/lite/utils/string.h
@@ -52,8 +52,8 @@ static std::string to_string_with_precision(const T& v, const int n = 6) {
   return ss.str();
 }
 
-static std::string Join(const std::vector<std::string>& vec,
-                        const std::string& delim) {
+template <typename T>
+std::string Join(const std::vector<T>& vec, const std::string& delim) {
   if (vec.empty()) return "";
 
   std::stringstream ss;