| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_PREPARED_MODEL_H |
| #define ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_PREPARED_MODEL_H |
| |
| #include <android-base/thread_annotations.h> |
| #include <nnapi/IPreparedModel.h> |
| #include <nnapi/Result.h> |
| #include <nnapi/Types.h> |
| |
| #include <functional> |
| #include <memory> |
| #include <mutex> |
| #include <utility> |
| #include <vector> |
| |
| namespace android::hardware::neuralnetworks::utils { |
| |
| class ResilientPreparedModel final : public nn::IPreparedModel, |
| public std::enable_shared_from_this<ResilientPreparedModel> { |
| struct PrivateConstructorTag {}; |
| |
| public: |
| using Factory = std::function<nn::GeneralResult<nn::SharedPreparedModel>()>; |
| |
| static nn::GeneralResult<std::shared_ptr<const ResilientPreparedModel>> create( |
| Factory makePreparedModel); |
| |
| explicit ResilientPreparedModel(PrivateConstructorTag tag, Factory makePreparedModel, |
| nn::SharedPreparedModel preparedModel); |
| |
| nn::SharedPreparedModel getPreparedModel() const; |
| nn::GeneralResult<nn::SharedPreparedModel> recover( |
| const nn::IPreparedModel* failingPreparedModel) const; |
| |
| nn::ExecutionResult<std::pair<std::vector<nn::OutputShape>, nn::Timing>> execute( |
| const nn::Request& request, nn::MeasureTiming measure, |
| const nn::OptionalTimePoint& deadline, |
| const nn::OptionalDuration& loopTimeoutDuration) const override; |
| |
| nn::GeneralResult<std::pair<nn::SyncFence, nn::ExecuteFencedInfoCallback>> executeFenced( |
| const nn::Request& request, const std::vector<nn::SyncFence>& waitFor, |
| nn::MeasureTiming measure, const nn::OptionalTimePoint& deadline, |
| const nn::OptionalDuration& loopTimeoutDuration, |
| const nn::OptionalDuration& timeoutDurationAfterFence) const override; |
| |
| nn::GeneralResult<nn::SharedExecution> createReusableExecution( |
| const nn::Request& request, nn::MeasureTiming measure, |
| const nn::OptionalDuration& loopTimeoutDuration) const override; |
| |
| nn::GeneralResult<nn::SharedBurst> configureExecutionBurst() const override; |
| |
| std::any getUnderlyingResource() const override; |
| |
| private: |
| bool isValidInternal() const EXCLUDES(mMutex); |
| nn::GeneralResult<nn::SharedExecution> createReusableExecutionInternal( |
| const nn::Request& request, nn::MeasureTiming measure, |
| const nn::OptionalDuration& loopTimeoutDuration) const; |
| nn::GeneralResult<nn::SharedBurst> configureExecutionBurstInternal() const; |
| |
| const Factory kMakePreparedModel; |
| mutable std::mutex mMutex; |
| mutable nn::SharedPreparedModel mPreparedModel GUARDED_BY(mMutex); |
| }; |
| |
| } // namespace android::hardware::neuralnetworks::utils |
| |
| #endif // ANDROID_HARDWARE_INTERFACES_NEURALNETWORKS_UTILS_COMMON_RESILIENT_PREPARED_MODEL_H |