diff --git a/paddle/fluid/framework/communicator.h b/paddle/fluid/framework/communicator.h
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+/* Copyright (c) 2016 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. */
+
+#pragma once
+
+#include <cstdint>
+#include <cstring>
+#include <memory>
+#include <typeindex>
+#include <vector>
+#include "paddle/fluid/framework/data_layout.h"
+#include "paddle/fluid/framework/ddim.h"
+#include "paddle/fluid/framework/framework.pb.h"
+#include "paddle/fluid/memory/memory.h"
+#include "paddle/fluid/platform/device_context.h"
+#include "paddle/fluid/platform/enforce.h"
+#include "paddle/fluid/platform/place.h"
+
+namespace paddle {
+
+namespace framework {
+
+class Communicator {
+ public:
+  Communicator() {}
+  ~Communicator() {}
+
+  // send grad
+  void send() {}
+
+  void receive() {}
+
+  void wait() {}
+
+ private:
+  std::unique_ptr<std::thread> communicate_thread_;
+};
+
+}  // namespace framework
+}  // namespace paddle