1 /** 2 * Copyright 2020 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_CCSRC_RUNTIME_DEVICE_CPU_CPU_MEMORY_MANAGER_H_ 18 #define MINDSPORE_CCSRC_RUNTIME_DEVICE_CPU_CPU_MEMORY_MANAGER_H_ 19 #include <vector> 20 #include <map> 21 #include <memory> 22 #include "include/backend/kernel_graph.h" 23 #include "backend/common/session/session_basic.h" 24 #include "include/backend/device_address.h" 25 #include "runtime/device/memory_manager.h" 26 #include "plugin/device/cpu/hal/device/cpu_simple_mem_plan.h" 27 #include "plugin/device/cpu/hal/hardware/cpu_memory_pool.h" 28 29 namespace mindspore { 30 namespace device { 31 namespace cpu { 32 class BACKEND_EXPORT CPUMemoryManager : public MemoryManager { 33 public: 34 CPUMemoryManager() = default; 35 virtual ~CPUMemoryManager(); 36 Initialize()37 void Initialize() override { memory_pool_ = &(CPUMemoryPool::GetInstance()); } Finalize()38 void Finalize() override { CPUMemoryPool::GetInstance().ReleaseDeviceRes(); } 39 void ResetDynamicMemory() override; 40 41 void AssignMemory(const session::KernelGraph *graph); 42 void IncreaseAddressRefCount(const session::KernelGraph *graph) const; 43 void DecreaseAddressRefCount(const AnfNodePtr &kernel); 44 void *StaticMemMalloc(size_t mem_size); 45 void MemFree(void *ptr); 46 void IncreaseSummaryRefCount(const session::NamedSummaryOutputs &summary_outputs) const; 47 void DecreaseSummaryRefCount(const session::NamedSummaryOutputs &summary_outputs); 48 49 void *MallocMemFromMemPool(size_t size, bool from_persistent_mem, bool need_recycle = false, 50 uint32_t stream_id = kDefaultStreamIndex) override { 51 return CPUMemoryPool::GetInstance().AllocTensorMem(size, from_persistent_mem, false, stream_id); 52 } FreeMemFromMemPool(void * device_ptr)53 void FreeMemFromMemPool(void *device_ptr) override { CPUMemoryPool::GetInstance().FreeTensorMem(device_ptr); } 54 std::vector<void *> MallocContinuousMemFromMemPool(const std::vector<size_t> &size_list, 55 uint32_t stream_id = kDefaultStreamIndex) override { 56 return CPUMemoryPool::GetInstance().AllocContinuousTensorMem(size_list, stream_id); 57 } 58 59 protected: 60 uint8_t *MallocStaticMem(size_t size, bool communication_mem, uint32_t graph_id) override; 61 uint8_t *MallocDynamicMem(size_t size, bool communication_mem) override; 62 63 private: 64 uint8_t *MemMalloc(size_t size); 65 void MemFree() noexcept; 66 CPUSimpleMemPlan mem_plan_; 67 68 size_t mem_size_{0}; 69 uint8_t *mem_ptr_{nullptr}; 70 bool dynamic_malloc_{false}; 71 std::map<void *, size_t> dynamic_mem_; 72 std::map<void *, size_t> static_mem_; 73 std::map<void *, size_t> cached_mem_; 74 std::map<void *, std::shared_ptr<std::vector<uint8_t>>> mem_block_map_; 75 }; 76 } // namespace cpu 77 } // namespace device 78 } // namespace mindspore 79 #endif // MINDSPORE_CCSRC_RUNTIME_DEVICE_CPU_CPU_MEMORY_MANAGER_H_ 80