text: //*****************************************************************************
  // Copyright 2017-2019 Intel Corporation
  //
  // 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 <initializer_list>
  #include <memory>
  #include <sstream>
  #include <string>
  #include <vector>
  
  #include "ngraph/runtime/reference/allreduce.hpp"
  #include "ngraph/runtime/tensor.hpp"
  
  namespace ngraph
  {
      namespace runtime
      {
          namespace gcpu
          {
              class GCPUBackend;
              class GCPUExecutable;
          }
      }
  }
  
  class ngraph::runtime::gcpu::GCPUBackend : public Backend
  {
  public:
      GCPUBackend();
      GCPUBackend(const std::vector<std::string>& unsupported_op_name_list);
      GCPUBackend(const GCPUBackend&) = delete;
      GCPUBackend(GCPUBackend&&) = delete;
      GCPUBackend& operator=(const GCPUBackend&) = delete;
  
      std::shared_ptr<Tensor>
          create_tensor(const element::Type& type, const Shape& shape, void* memory_pointer) override;
  
      std::shared_ptr<Tensor> create_tensor(const element::Type& type, const Shape& shape) override;
  
      std::shared_ptr<Executable> compile(std::shared_ptr<Function> function,
                                          bool enable_performance_data = false) override;
  
      bool is_supported(const Node& node) const override;
  
  private:
      std::set<std::string> m_unsupported_op_name_list;
  };
  