text: /**
   * Copyright 2019 Huawei Technologies Co., Ltd
   *
   * 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.
   */
  
  #ifndef MINDSPORE_CCSRC_RUNTIME_DEVICE_ASCEND_ASCEND_MEMORY_MANAGER_H_
  #define MINDSPORE_CCSRC_RUNTIME_DEVICE_ASCEND_ASCEND_MEMORY_MANAGER_H_
  #include "runtime/device/memory_manager.h"
  #include "graphengine/inc/external/runtime/rt_error_codes.h"
  namespace mindspore {
  namespace device {
  namespace ascend {
  class AscendMemoryManager : public MemoryManager {
   public:
    AscendMemoryManager() = default;
    ~AscendMemoryManager() override = default;
  
    void MallocDeviceMemory() override;
    void FreeDeviceMemory() override;
    void ResetDynamicMemory() override;
    void ClearGlobalIdleMem() override;
    void *MallocMemFromMemPool(size_t size) override;
    uint64_t GetDeviceMemSize();
    void MallocSomasDynamicMem(const session::KernelGraph *graph);
    uint8_t *MallocCommunicationMemFromMemPool(size_t size) override;
  
   protected:
    uint8_t *MallocStaticMem(size_t size, bool communication_mem, uint32_t graph_id = kInvalidGraphId) override;
    uint8_t *MallocDynamicMem(size_t size, bool communication_mem) override;
  
   private:
    uint8_t *device_mem_pool_base_{nullptr};
    uint64_t device_mem_pool_size_{0};
  
    uint64_t GetDeviceMemSizeFromContext();
  };
  }  // namespace ascend
  }  // namespace device
  }  // namespace mindspore
  #endif  // MINDSPORE_CCSRC_RUNTIME_DEVICE_ASCEND_ASCEND_MEMORY_MANAGER_H_
  