forked from huawei/mindspore2022
75 lines
3.0 KiB
C++
75 lines
3.0 KiB
C++
/**
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* Copyright 2019 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MINDSPORE_CCSRC_RUNTIME_DEVICE_MEMORY_MANAGER_H_
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#define MINDSPORE_CCSRC_RUNTIME_DEVICE_MEMORY_MANAGER_H_
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#include <memory>
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#include <vector>
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#include <utility>
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#include "backend/optimizer/mem_reuse/mem_reuse.h"
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#include "backend/optimizer/mem_reuse/mem_reuse_allocator.h"
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namespace mindspore {
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namespace device {
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enum MemType { kStaticMem, kDynamicMem, kReuseDynamicMem, kReuseDynamicCommMem };
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const int kGetAllOuts = -1;
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const uint64_t kMemAlignSize = 512;
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using MemReuseUtilPtr = mindspore::memreuse::MemReuseUtilPtr;
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class MemoryManager {
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public:
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MemoryManager() = default;
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virtual ~MemoryManager() = default;
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virtual void MallocDeviceMemory() = 0;
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virtual void FreeDeviceMemory() = 0;
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virtual void ResetDynamicMemory() {
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total_dynamic_size_ = 0;
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dynamic_mem_offset_ = 0;
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}
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void MallocReusedDynamicMem(const session::KernelGraph *graph);
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uint8_t *MallocOutputMem(const AnfNodePtr &node, size_t index, MemType type, size_t size);
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uint8_t *MallocWorkSpaceMem(const AnfNodePtr &node, size_t index, MemType type, size_t size);
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uint8_t *MallocMem(const DeviceAddressPtr &address, MemType flag, size_t size,
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const session::KernelWithIndex &node_with_index = std::pair<AnfNodePtr, size_t>(nullptr, 0));
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virtual uint8_t *MallocMem(MemType type, size_t size);
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virtual bool MallocMemFromMemPool(const DeviceAddressPtr address, size_t size);
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virtual void *MallocMemFromMemPool(size_t size);
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virtual void FreeMemFromMemPool(const DeviceAddressPtr address);
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virtual void FreeMemFromMemPool(void *device_ptr);
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virtual bool MallocContinuousMemFromMemPool(const DeviceAddressPtrList addr_list, size_t total_size,
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std::vector<size_t> size_list);
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virtual std::vector<void *> MallocContinuousMemFromMemPool(size_t total_size, std::vector<size_t> size_list);
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size_t GetCommonAlignSize(size_t input_size) const;
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size_t GetCommunicationAlignSize(size_t input_size) const;
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protected:
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virtual uint8_t *MallocStaticMem(size_t size, bool communication_mem);
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virtual uint8_t *MallocDynamicMem(size_t size, bool communication_mem);
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uint8_t *device_mem_base_{nullptr};
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uint64_t device_mem_size_{0};
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uint64_t dynamic_mem_offset_{0};
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uint64_t static_mem_offset_{0};
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size_t total_static_size_ = 0;
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size_t total_dynamic_size_ = 0;
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MemReuseUtilPtr mem_reuse_util_ptr_{nullptr};
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};
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} // namespace device
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} // namespace mindspore
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#endif // MINDSPORE_CCSRC_RUNTIME_DEVICE_MEMORY_MANAGER_H_
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