2 * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef __ONERT_BACKEND_BASIC_DYNAMICTENSOR_MANAGER_H__
18 #define __ONERT_BACKEND_BASIC_DYNAMICTENSOR_MANAGER_H__
20 #include "MemoryManager.h"
21 #include "TensorRegistry.h"
23 #include <ir/OperandInfo.h>
24 #include <ir/IOperation.h>
27 #include <unordered_set>
36 // TODO Find optimized algorithm to manage memory.
39 * @brief Class to manage dynamic tensor and its memory
41 class DynamicTensorManager
44 DynamicTensorManager(const std::shared_ptr<TensorRegistry> ®);
46 virtual ~DynamicTensorManager() = default;
48 void buildTensor(const ir::OperandIndex &ind, const ir::OperandInfo &tensor_info,
49 ir::Layout backend_layout);
51 std::shared_ptr<DynamicMemoryManager> dynamic_mem_mgr() { return _dynamic_mem_mgr; }
54 const ITensor *getRawITensor(ir::OperandIndex ind);
58 * @brief Memory manager for dynamic tensor.
59 * @todo DynamicMemoryManager is not optimized. Optimized one is needed
61 std::shared_ptr<DynamicMemoryManager> _dynamic_mem_mgr;
62 const std::shared_ptr<TensorRegistry> _tensors;
64 // contains list of dynamic tensor index, which can be deallocated after running operation
65 // note: this map could contain static tensor index too. Careful use is required.
66 std::unordered_map<ir::OperationIndex, std::unordered_set<backend::ITensor *>>
71 } // namespace backend
74 #endif // __ONERT_BACKEND_BASIC_DYNAMICTENSOR_MANAGER_H__