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72 lines
2.2 KiB
72 lines
2.2 KiB
/**
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* Copyright 2019-2020 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 GE_HYBRID_COMMON_MEMORY_ALLOCATOR_H_
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#define GE_HYBRID_COMMON_MEMORY_ALLOCATOR_H_
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#include <cstdint>
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#include <vector>
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#include <map>
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#include <memory>
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#include <mutex>
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#include "external/ge/ge_api_error_codes.h"
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#include "memory/memory_api.h"
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namespace ge {
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namespace hybrid {
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class AllocationAttr {
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public:
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AllocationAttr() = default;
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explicit AllocationAttr(int padding);
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explicit AllocationAttr(void *try_reuse_addr);
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AllocationAttr(int padding, void *try_reuse_addr, MemStorageType = HBM);
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~AllocationAttr() = default;
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void SetMemType(MemStorageType memType) { mem_type_ = memType; }
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MemStorageType GetMemType() { return mem_type_; }
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private:
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friend class NpuMemoryAllocator;
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int padding_ = 0;
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void *try_reuse_addr_ = nullptr;
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MemStorageType mem_type_ = HBM;
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};
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class NpuMemoryAllocator {
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public:
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~NpuMemoryAllocator() = default;
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static NpuMemoryAllocator *GetAllocator(uint32_t device_id);
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static NpuMemoryAllocator *GetAllocator();
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static void DestroyAllocator();
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static AllocationAttr* AttrWithDefaultPadding() {
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static AllocationAttr attr(kDefaultPadding, nullptr);
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return &attr;
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}
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void *Allocate(std::size_t size, AllocationAttr *attr = nullptr);
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void Deallocate(void *data, MemStorageType mem_type = HBM);
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static constexpr int kDefaultPadding = 32;
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private:
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explicit NpuMemoryAllocator(uint32_t device_id);
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uint32_t device_id_;
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static std::map<uint32_t, std::unique_ptr<NpuMemoryAllocator>> allocators_;
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static std::mutex mu_;
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};
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} // namespace hybrid
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} // namespace ge
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#endif // GE_HYBRID_COMMON_MEMORY_ALLOCATOR_H_
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