1 /** 2 * Copyright 2022 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MINDSPORE_LITE_SRC_EXTENDRT_DYNAMIC_MEM_ALLOCATOR_H_ 18 #define MINDSPORE_LITE_SRC_EXTENDRT_DYNAMIC_MEM_ALLOCATOR_H_ 19 20 #include <mutex> 21 #include <map> 22 #include <memory> 23 #include <unordered_map> 24 #include "include/api/allocator.h" 25 #include "src/extendrt/dynamic_mem_manager.h" 26 27 namespace mindspore { 28 class DynamicMemAllocator : public Allocator { 29 public: 30 explicit DynamicMemAllocator(int node_id); 31 virtual ~DynamicMemAllocator() = default; 32 void *Malloc(size_t size) override; 33 void Free(void *ptr) override; 34 int RefCount(void *ptr) override; 35 int SetRefCount(void *ptr, int ref_count) override; 36 int IncRefCount(void *ptr, int ref_count) override; 37 int DecRefCount(void *ptr, int ref_count) override; 38 39 private: 40 std::mutex allocator_mutex_; 41 std::shared_ptr<DynamicMemManager> mem_manager_ = nullptr; 42 std::shared_ptr<MemOperator> mem_oper_; 43 }; 44 } // namespace mindspore 45 46 #endif // MINDSPORE_LITE_SRC_EXTENDRT_DYNAMIC_MEM_ALLOCATOR_H_ 47