2 * Copyright (c) 2023 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_TRAIN_TENSOR_BUILDER_H__
18 #define __ONERT_BACKEND_TRAIN_TENSOR_BUILDER_H__
20 #include "TensorManager.h"
21 #include "TensorRegistry.h"
30 // TODO Support dynamic tensors
34 TensorBuilder(const std::shared_ptr<TensorRegistry> &tensor_reg, const std::string planner_id);
37 * @brief Register tensor information to allocate on train backend
38 * @param[in] ind Operand index
39 * @param[in] info Operand information
40 * @param[in] layout Operand data layout
42 void registerTensorInfo(const ir::OperandIndex &ind, const ir::OperandInfo &info,
43 ir::Layout backend_layout);
46 * @brief Register informations of tensor used only in backward to allocate on train backend
47 * @param[in] ind Operand index
48 * @param[in] info Operand information
49 * @param[in] layout Operand data layout
51 void registerBackwardTensorInfo(const ir::OperandIndex &ind, const ir::OperandInfo &info,
52 ir::Layout backend_layout);
54 // TODO Support memory plan of all tensors
55 void notifyFirstUse(const ir::OperandIndex &);
56 void notifyLastUse(const ir::OperandIndex &);
57 void notifyBackwardFirstUse(const ir::OperandIndex &);
59 bool isRegistered(const ir::OperandIndex &) const;
60 bool isRegisteredBackward(const ir::OperandIndex &) const;
63 void allocateBackward(void);
66 const std::shared_ptr<TensorRegistry> _tensor_reg;
67 std::unique_ptr<TensorManager> _tensor_mgr;
68 ir::OperandIndexMap<ir::OperandInfo> _tensor_info_map;
69 ir::OperandIndexMap<ir::OperandInfo> _backward_tensor_info_map;
70 ir::OperandIndexMap<bool> _as_constants;
74 } // namespace backend
77 #endif // __ONERT_BACKEND_TRAIN_TENSOR_BUILDER_H__