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75 lines
2.1 KiB
75 lines
2.1 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_GRAPH_MANAGER_RDMA_POOL_ALLOCATOR_H_
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#define GE_GRAPH_MANAGER_RDMA_POOL_ALLOCATOR_H_
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#include <iostream>
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#include <map>
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#include <memory>
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#include <mutex>
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#include <set>
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#include <string>
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#include <unordered_map>
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#include "framework/common/ge_inner_error_codes.h"
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#include "graph/manager/block_memory.h"
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#include "graph/manager/graph_mem_allocator.h"
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#include "graph/node.h"
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#include "runtime/mem.h"
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namespace ge {
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class RdmaPoolAllocator {
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public:
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explicit RdmaPoolAllocator(rtMemType_t memory_type);
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RdmaPoolAllocator(const RdmaPoolAllocator &) = delete;
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RdmaPoolAllocator &operator=(const RdmaPoolAllocator &) = delete;
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~RdmaPoolAllocator() = default;
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Status Initialize();
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void Finalize();
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Status InitMemory(size_t mem_size);
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uint8_t *Malloc(size_t size, uint32_t device_id = 0);
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Status Free(uint8_t *memory_addr, uint32_t device_id = 0);
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Status GetBaseAddr(uint64_t &base_addr, uint64_t &mem_size);
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uint8_t *GetRdmaBaseAddr() { return rdma_base_addr_; }
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size_t GetRdmaMemSize() { return rdma_mem_size_; }
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private:
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void MergeBlocks(Block *dst, Block *src);
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rtMemType_t memory_type_;
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size_t rdma_mem_size_ = 0; // Total rdma memory size to be allocated.
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uint8_t *rdma_base_addr_ = nullptr;
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MemoryAllocator *memory_allocator_ = nullptr;
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BlockBin block_bin_; // Save all rdma blocks.
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std::unordered_map<uint8_t *, Block *> allocated_blocks_;
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// lock around all operations
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mutable std::recursive_mutex mutex_;
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};
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} // namespace ge
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#endif // GE_GRAPH_MANAGER_RDMA_POOL_ALLOCATOR_H_
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