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 #include "TensorBuilder.h"
19 #include <util/logging.h>
30 TensorBuilder::TensorBuilder(const std::shared_ptr<TensorRegistry> &tensor_reg)
31 : _tensor_reg{tensor_reg}, _dynamic_tensor_mgr{new DynamicTensorManager(_tensor_reg)},
33 new cpu_common::StaticTensorManager(_tensor_reg->base_reg(), _dynamic_tensor_mgr.get())}
38 void TensorBuilder::registerTensorInfo(const ir::OperandIndex &ind, const ir::OperandInfo &info,
39 ir::Layout backend_layout)
41 _tensor_info_map.emplace(ind, info);
43 _tensor_layout_map.insert({ind, backend_layout});
47 _dynamic_tensor_mgr->buildTensor(ind, info, _tensor_layout_map[ind]);
51 _static_tensor_mgr->buildTensor(ind, info, _tensor_layout_map[ind], info.isConstant());
55 void TensorBuilder::notifyFirstUse(const ir::OperandIndex &ind)
57 // TODO Enhance the way of checking user tensors
58 if (_tensor_info_map.find(ind) == _tensor_info_map.end()) // Do not proceed for user tensors
61 const auto tensor_info = _tensor_info_map.at(ind);
63 if (!nativeOwnTensorAt(ind)->is_dynamic())
65 const auto size = tensor_info.total_size();
66 _static_tensor_mgr->claimPlan(ind, size);
70 void TensorBuilder::notifyLastUse(const ir::OperandIndex &ind)
72 // TODO Enhance the way of checking user tensors
73 if (_tensor_info_map.find(ind) == _tensor_info_map.end()) // Do not proceed for user tensors
76 if (!nativeOwnTensorAt(ind)->is_dynamic())
78 _static_tensor_mgr->releasePlan(ind);
82 bool TensorBuilder::isRegistered(const ir::OperandIndex &ind) const
84 // User tensors are not registered in _tensor_info_map but objects for them are exist
85 // in the tensor registry.
86 // TODO Enhance the way of checking user tensors
87 if (_tensor_reg->getITensor(ind))
89 return _tensor_info_map.find(ind) != _tensor_info_map.end();
92 void TensorBuilder::prepare(void)
94 _static_tensor_mgr->allocateConsts();
95 _static_tensor_mgr->allocateNonconsts();
98 void TensorBuilder::allocate()
100 // NOTE For now nothing to do. Allocation is done in prepare stage, which is not appropriate
101 // This is because CPU kernels require `ITensor`s to be allocated before Kernel Generation.
104 std::shared_ptr<cpu_common::Tensor> TensorBuilder::nativeOwnTensorAt(const ir::OperandIndex &ind)
106 return _tensor_reg->getNativeOwnTensor(ind);
109 std::unique_ptr<ITensorManager> TensorBuilder::releaseStaticTensorManager(void)
111 return std::move(_static_tensor_mgr);
114 std::unique_ptr<ITensorManager> TensorBuilder::releaseDynamicTensorManager(void)
116 return std::move(_dynamic_tensor_mgr);
119 void TensorBuilder::setNativeUserTensor(const ir::OperandIndex &ind,
120 const std::shared_ptr<UserTensor> &tensor)
122 _tensor_reg->setNativeUserTensor(ind, tensor);
125 } // namespace controlflow
126 } // namespace backend