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61 lines
1.9 KiB
61 lines
1.9 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_FRAMEWORKS_ML_NN_RUNTIME_BURST_BUILDER_H
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#define ANDROID_FRAMEWORKS_ML_NN_RUNTIME_BURST_BUILDER_H
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#include <nnapi/IBurst.h>
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#include <atomic>
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#include <memory>
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#include <vector>
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namespace android {
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namespace nn {
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class CompilationBuilder;
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/*
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* TODO: Could we "hide" the per-step burst controller instance inside
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* StepExecutor? Today it's exposed as a "sibling" to StepExecutor:
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* ExecutionPlan::next both generates a StepExecutor instance and finds a
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* pointer to a burst controller; and StepExecutor::compute is passed a pointer
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* to a burst controller. Instead, could ExecutionPlan::next stash the burst
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* controller in the StepExecutor, so that it doesn't have to be passed to any
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* of the StepExecutor methods?
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*/
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class BurstBuilder {
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public:
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BurstBuilder(const CompilationBuilder* compilation, std::vector<SharedBurst> burstControllers);
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bool tryLock();
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void unlock();
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const CompilationBuilder* getCompilation() const;
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SharedBurst getControllerAt(size_t index) const;
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private:
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std::atomic_flag mCurrentlyRunning = ATOMIC_FLAG_INIT;
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const CompilationBuilder* mCompilation;
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std::vector<SharedBurst> mBurstControllers;
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};
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} // namespace nn
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} // namespace android
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#endif // ANDROID_FRAMEWORKS_ML_NN_RUNTIME_BURST_BUILDER_H
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