diff --git a/lite/api/CMakeLists.txt b/lite/api/CMakeLists.txt
index 0f58a49bd4e93595d8cb8862d1c2e061f18d0658..de1a76c9c391102b8d7a1d113164f45beb913e6e 100644
--- a/lite/api/CMakeLists.txt
+++ b/lite/api/CMakeLists.txt
@@ -315,6 +315,16 @@ if(NOT IOS)
         FPGA_DEPS ${fpga_kernels}
         X86_DEPS ${x86_kernels}
         CUDA_DEPS ${cuda_kernels})
+    lite_cc_binary(multithread_test SRCS lite_multithread_test.cc DEPS paddle_api_full paddle_api_light gflags utils
+        ${ops} ${host_kernels}
+        ARM_DEPS ${arm_kernels}
+        CV_DEPS paddle_cv_arm
+        NPU_DEPS ${npu_kernels}
+        XPU_DEPS ${xpu_kernels}
+        CL_DEPS ${opencl_kernels}
+        FPGA_DEPS ${fpga_kernels}
+        X86_DEPS ${x86_kernels}
+        CUDA_DEPS ${cuda_kernels})
 endif()
 
 #lite_cc_binary(cxx_api_bin SRCS cxx_api_bin.cc
diff --git a/lite/api/lite_multithread_test.cc b/lite/api/lite_multithread_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..addd512eb0039c43edeca562b8f568528aab76f9
--- /dev/null
+++ b/lite/api/lite_multithread_test.cc
@@ -0,0 +1,360 @@
+// 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 <string>
+#include <vector>
+#include "lite/api/paddle_api.h"
+#include "lite/api/paddle_use_kernels.h"
+#include "lite/api/paddle_use_ops.h"
+#include "lite/api/paddle_use_passes.h"
+#include "lite/api/test_helper.h"
+#include "lite/core/device_info.h"
+#include "lite/core/profile/timer.h"
+#include "lite/utils/cp_logging.h"
+#include "lite/utils/string.h"
+#ifdef LITE_WITH_PROFILE
+#include "lite/core/profile/basic_profiler.h"
+#endif             // LITE_WITH_PROFILE
+#include <thread>  // NOLINT
+
+using paddle::lite::profile::Timer;
+
+DEFINE_string(input_shape,
+              "1,3,224,224",
+              "input shapes, separated by colon and comma");
+
+DEFINE_string(model_dir_0, "", "model_dir_0");
+DEFINE_string(input_shape_0,
+              "1,3,224,224",
+              "input shapes another, separated by colon and comma");
+
+DEFINE_bool(use_optimize_nb,
+            false,
+            "optimized & naive buffer model for mobile devices");
+
+DEFINE_int32(test_type, 0, "multithread test type");
+
+namespace paddle {
+namespace lite_api {
+
+void OutputOptModel(const std::string& load_model_dir,
+                    const std::string& save_optimized_model_dir,
+                    const std::vector<std::vector<int64_t>>& input_shapes) {
+  lite_api::CxxConfig config;
+  config.set_model_dir(load_model_dir);
+  config.set_valid_places({
+      Place{TARGET(kARM), PRECISION(kFloat)},
+  });
+  auto predictor = lite_api::CreatePaddlePredictor(config);
+
+  // delete old optimized model
+  int ret = system(
+      paddle::lite::string_format("rm -rf %s", save_optimized_model_dir.c_str())
+          .c_str());
+  if (ret == 0) {
+    LOG(INFO) << "delete old optimized model " << save_optimized_model_dir;
+  }
+  predictor->SaveOptimizedModel(save_optimized_model_dir,
+                                LiteModelType::kNaiveBuffer);
+  LOG(INFO) << "Load model from " << load_model_dir;
+  LOG(INFO) << "Save optimized model to " << save_optimized_model_dir;
+}
+
+#ifdef LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
+void Run(const std::vector<std::vector<int64_t>>& input_shapes,
+         const std::string& model_dir,
+         const PowerMode power_mode,
+         const int thread_num,
+         const int repeat,
+         int tid,
+         const int warmup_times = 5) {
+  lite_api::MobileConfig config;
+  config.set_model_dir(model_dir);
+  config.set_power_mode(power_mode);
+  config.set_threads(thread_num);
+
+  auto predictor = lite_api::CreatePaddlePredictor(config);
+
+  for (int j = 0; j < input_shapes.size(); ++j) {
+    auto input_tensor = predictor->GetInput(j);
+    input_tensor->Resize(input_shapes[j]);
+    auto input_data = input_tensor->mutable_data<float>();
+    int input_num = 1;
+    for (int i = 0; i < input_shapes[j].size(); ++i) {
+      input_num *= input_shapes[j][i];
+    }
+    for (int i = 0; i < input_num; ++i) {
+      input_data[i] = 1.f;
+    }
+  }
+
+  for (int i = 0; i < warmup_times; ++i) {
+    predictor->Run();
+  }
+
+  Timer ti;
+  for (int j = 0; j < repeat; ++j) {
+    ti.Start();
+    predictor->Run();
+    float t = ti.Stop();
+    auto output = predictor->GetOutput(0);
+    auto out = output->data<float>();
+    LOG(INFO) << "[thread " << tid << "] Model: " << model_dir
+              << " output[0]:" << out[0] << "; output[1]:" << out[1];
+  }
+  LOG(INFO) << "[thread " << tid << "] Model: " << model_dir
+            << ", power_mode: " << static_cast<int>(power_mode)
+            << ", threads num " << thread_num
+            << ", avg time: " << ti.LapTimes().Avg() << "ms"
+            << ", min time: " << ti.LapTimes().Min() << " ms"
+            << ", max time: " << ti.LapTimes().Max() << " ms.";
+}
+
+void RunTestType_00(const std::vector<std::vector<int64_t>>& input_shapes,
+                    const std::string& model_dir,
+                    const PowerMode power_mode,
+                    const int thread_num,
+                    const int repeat,
+                    const int warmup_times = 5) {
+  std::thread run_th0(Run,
+                      input_shapes,
+                      model_dir,
+                      power_mode,
+                      thread_num,
+                      repeat,
+                      0,
+                      warmup_times);
+  Run(input_shapes, model_dir, power_mode, thread_num, repeat, 1, warmup_times);
+  run_th0.join();
+}
+void RunTestType_01(const std::vector<std::vector<int64_t>>& input_shapes,
+                    const std::string& model_dir,
+                    const std::vector<std::vector<int64_t>>& input_shapes_0,
+                    const std::string& model_dir_0,
+                    const PowerMode power_mode,
+                    const int thread_num,
+                    const int repeat,
+                    const int warmup_times = 5) {
+  std::thread run_th0(Run,
+                      input_shapes,
+                      model_dir,
+                      power_mode,
+                      thread_num,
+                      repeat,
+                      0,
+                      warmup_times);
+  Run(input_shapes_0,
+      model_dir_0,
+      power_mode,
+      thread_num,
+      repeat,
+      1,
+      warmup_times);
+  run_th0.join();
+}
+
+void run_with_predictor(std::shared_ptr<PaddlePredictor> predictor,
+                        const std::vector<std::vector<int64_t>>& input_shapes,
+                        int index,
+                        const std::string& name) {
+  for (int j = 0; j < input_shapes.size(); ++j) {
+    auto input_tensor = predictor->GetInput(j);
+    input_tensor->Resize(input_shapes[j]);
+    auto input_data = input_tensor->mutable_data<float>();
+    int input_num = 1;
+    for (int i = 0; i < input_shapes[j].size(); ++i) {
+      input_num *= input_shapes[j][i];
+    }
+    for (int i = 0; i < input_num; ++i) {
+      input_data[i] = 1.f;
+    }
+  }
+
+  Timer ti;
+  ti.Start();
+  predictor->Run();
+  float t = ti.Stop();
+
+  auto output = predictor->GetOutput(0);
+  auto out = output->data<float>();
+  LOG(INFO) << "[thread " << index << "] name: " << name
+            << ",run time: " << ti.LapTimes().Avg() << "ms"
+            << " output[0]:" << out[0] << "; output[1]:" << out[1];
+}
+void RunTestType_10(const std::vector<std::vector<int64_t>>& input_shapes,
+                    const std::string& model_dir,
+                    const PowerMode power_mode,
+                    const int thread_num,
+                    const int repeat,
+                    int warmup = 5) {
+  lite_api::MobileConfig config;
+  config.set_model_dir(model_dir);
+  config.set_power_mode(power_mode);
+  config.set_threads(thread_num);
+
+  auto predictor = lite_api::CreatePaddlePredictor(config);
+
+  for (int i = 0; i < repeat; ++i) {
+    std::thread pre_th0(
+        run_with_predictor, predictor, input_shapes, i, model_dir);
+    pre_th0.join();
+  }
+}
+void RunTestType_11(const std::vector<std::vector<int64_t>>& input_shapes,
+                    const std::string& model_dir,
+                    const std::vector<std::vector<int64_t>>& input_shapes_0,
+                    const std::string& model_dir_0,
+                    const PowerMode power_mode,
+                    const int thread_num,
+                    const int repeat,
+                    int warmup = 5) {
+  lite_api::MobileConfig config;
+  config.set_model_dir(model_dir);
+  config.set_power_mode(power_mode);
+  config.set_threads(thread_num);
+
+  auto predictor = lite_api::CreatePaddlePredictor(config);
+
+  config.set_model_dir(model_dir_0);
+  auto predictor_0 = lite_api::CreatePaddlePredictor(config);
+
+  for (int i = 0; i < 2 * repeat; i += 2) {
+    std::thread pre_th0(
+        run_with_predictor, predictor, input_shapes, i, model_dir);
+    std::thread pre_th1(
+        run_with_predictor, predictor_0, input_shapes_0, i + 1, model_dir_0);
+    pre_th0.join();
+    pre_th1.join();
+  }
+}
+
+#endif
+
+}  // namespace lite_api
+}  // namespace paddle
+
+int main(int argc, char** argv) {
+  gflags::ParseCommandLineFlags(&argc, &argv, true);
+  if (FLAGS_model_dir == "") {
+    LOG(INFO) << "usage: "
+              << "--model_dir /path/to/your/model";
+    exit(0);
+  }
+  std::string save_optimized_model_dir = "";
+  std::string save_optimized_model_dir_0 = "";
+  if (FLAGS_use_optimize_nb) {
+    save_optimized_model_dir = FLAGS_model_dir;
+    save_optimized_model_dir_0 = FLAGS_model_dir_0;
+  } else {
+    save_optimized_model_dir = FLAGS_model_dir + "opt2";
+    save_optimized_model_dir_0 = FLAGS_model_dir_0 + "opt2";
+  }
+
+  auto split_string =
+      [](const std::string& str_in) -> std::vector<std::string> {
+    std::vector<std::string> str_out;
+    std::string tmp_str = str_in;
+    while (!tmp_str.empty()) {
+      size_t next_offset = tmp_str.find(":");
+      str_out.push_back(tmp_str.substr(0, next_offset));
+      if (next_offset == std::string::npos) {
+        break;
+      } else {
+        tmp_str = tmp_str.substr(next_offset + 1);
+      }
+    }
+    return str_out;
+  };
+
+  auto get_shape = [](const std::string& str_shape) -> std::vector<int64_t> {
+    std::vector<int64_t> shape;
+    std::string tmp_str = str_shape;
+    while (!tmp_str.empty()) {
+      int dim = atoi(tmp_str.data());
+      shape.push_back(dim);
+      size_t next_offset = tmp_str.find(",");
+      if (next_offset == std::string::npos) {
+        break;
+      } else {
+        tmp_str = tmp_str.substr(next_offset + 1);
+      }
+    }
+    return shape;
+  };
+
+  std::vector<std::string> str_input_shapes = split_string(FLAGS_input_shape);
+  std::vector<std::vector<int64_t>> input_shapes;
+  for (int i = 0; i < str_input_shapes.size(); ++i) {
+    input_shapes.push_back(get_shape(str_input_shapes[i]));
+  }
+  std::vector<std::string> str_input_shapes_0 =
+      split_string(FLAGS_input_shape_0);
+  std::vector<std::vector<int64_t>> input_shapes_0;
+  for (int i = 0; i < str_input_shapes_0.size(); ++i) {
+    input_shapes_0.push_back(get_shape(str_input_shapes_0[i]));
+  }
+
+  if (!FLAGS_use_optimize_nb) {
+    // Output optimized model
+    paddle::lite_api::OutputOptModel(
+        FLAGS_model_dir, save_optimized_model_dir, input_shapes);
+    paddle::lite_api::OutputOptModel(
+        FLAGS_model_dir_0, save_optimized_model_dir_0, input_shapes_0);
+  }
+
+#ifdef LITE_WITH_LIGHT_WEIGHT_FRAMEWORK
+  // Run inference using optimized model
+  if (FLAGS_test_type == 0) {
+    paddle::lite_api::RunTestType_00(
+        input_shapes,
+        save_optimized_model_dir,
+        static_cast<paddle::lite_api::PowerMode>(0),
+        FLAGS_threads,
+        FLAGS_repeats,
+        5);
+    LOG(INFO) << "=========above is case 0, below is case "
+                 "1============================";
+    paddle::lite_api::RunTestType_10(
+        input_shapes,
+        save_optimized_model_dir,
+        static_cast<paddle::lite_api::PowerMode>(0),
+        FLAGS_threads,
+        FLAGS_repeats);
+  }
+  if (FLAGS_test_type == 1) {
+    paddle::lite_api::RunTestType_01(
+        input_shapes,
+        save_optimized_model_dir,
+        input_shapes_0,
+        save_optimized_model_dir_0,
+        static_cast<paddle::lite_api::PowerMode>(0),
+        FLAGS_threads,
+        FLAGS_repeats,
+        5);
+    LOG(INFO) << "=========above is case 0, below is case "
+                 "1============================";
+    paddle::lite_api::RunTestType_11(
+        input_shapes,
+        save_optimized_model_dir,
+        input_shapes_0,
+        save_optimized_model_dir_0,
+        static_cast<paddle::lite_api::PowerMode>(0),
+        FLAGS_threads,
+        FLAGS_repeats);
+  }
+
+#endif
+  return 0;
+}