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80 lines
2.3 KiB
80 lines
2.3 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_HOST_VAR_MANAGER_H_
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#define GE_GRAPH_MANAGER_HOST_VAR_MANAGER_H_
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#include <atomic>
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#include <map>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "framework/common/ge_inner_error_codes.h"
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#include "framework/common/ge_types.h"
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#include "framework/common/l2_cache_optimize.h"
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#include "graph/ge_tensor.h"
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#include "graph/op_desc.h"
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#include "graph/tensor.h"
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#include "runtime/mem.h"
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namespace ge {
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struct SharedMemInfo {
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string op_name;
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string shm_name;
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uint64_t mem_size = 0;
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int fd = 0;
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uint8_t *device_address = nullptr;
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std::shared_ptr<AlignedPtr> host_aligned_ptr = nullptr;
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SharedMemInfo() = default;
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SharedMemInfo(string name, uint64_t size) : op_name(std::move(name)), mem_size(size) {}
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};
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class SharedMemAllocator {
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public:
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SharedMemAllocator() = default;
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~SharedMemAllocator() = default;
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Status Allocate(SharedMemInfo &mem_info);
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Status DeAllocate(SharedMemInfo &mem_info);
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};
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class HostMemManager {
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public:
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HostMemManager() = default;
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~HostMemManager() { Finalize(); }
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HostMemManager(const HostMemManager &) = delete;
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HostMemManager &operator=(const HostMemManager &) = delete;
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static HostMemManager &Instance();
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Status Initialize();
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void Finalize() noexcept;
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Status MallocSharedMemory(SharedMemInfo &mem_nfo);
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Status QueryVarMemInfo(const string &op_name, uint64_t &base_addr, uint64_t &data_size);
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private:
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static string OpNameToShmName(const string &op_name);
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std::unordered_map<std::string, SharedMemInfo> var_memory_base_map_;
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std::unique_ptr<SharedMemAllocator> allocator_;
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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_HOST_VAR_MANAGER_H_
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