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_BACKEND_CONTEXT_H__
18 #define __ONERT_BACKEND_TRAIN_BACKEND_CONTEXT_H__
20 #include <backend/train/TrainableBackendContext.h>
22 #include "ExternalContext.h"
23 #include "KernelGenerator.h"
24 #include "TensorBuilder.h"
33 // TODO Remove this class if ExecutorFactory creates trainable context only once instead of
34 // replacing BackendContext
35 class DummyBackendContext : public backend::BackendContext
38 DummyBackendContext(const Backend *backend, ContextData &&data,
39 std::shared_ptr<backend::ITensorRegistry> tensor_registry = nullptr)
40 : backend::BackendContext(backend, std::move(data), tensor_registry)
44 backend::ITensorRegistry *genTensors() override { return nullptr; }
46 backend::FunctionMap genKernels() override { return backend::FunctionMap{}; }
49 // TODO Unify TensorBuilder
50 // TODO Unify TensorRegistry
51 class BackendContext : public onert::backend::train::TrainableBackendContext
54 BackendContext(const ITrainableBackend *backend, std::unique_ptr<TrainableContextData> &&tdata,
55 std::shared_ptr<backend::train::ITensorRegistry> tensor_registry = nullptr,
56 std::shared_ptr<TensorBuilder> tensor_builder = nullptr,
57 std::shared_ptr<KernelGenerator> kernel_gen = nullptr)
58 : onert::backend::train::TrainableBackendContext(backend, std::move(tdata), tensor_registry),
59 kernel_gen{kernel_gen},
60 _external_context(new ExternalContext), _tensor_builder{tensor_builder}
64 backend::ITensorRegistry *genTensors() override;
65 backend::train::ITensorRegistry *genTrainingTensors() override;
68 FunctionMap genKernels() override;
70 std::shared_ptr<ExternalContext> external_context() { return _external_context; }
73 // TODO Make it private
74 std::shared_ptr<KernelGenerator> kernel_gen;
77 // NOTE ruy context has a thread pool, and when multiple ruy contexts are created,
78 // the thread pool is also created in duplicate
79 // TODO Create one ruy context for session
80 std::shared_ptr<ExternalContext> _external_context;
83 std::shared_ptr<TensorBuilder> _tensor_builder;
87 } // namespace backend
90 #endif // __ONERT_BACKEND_TRAIN_BACKEND_CONTEXT_H__