1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
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
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16 
17 #define LOG_TAG "BurstBuilder"
18 
19 #include "BurstBuilder.h"
20 
21 #include "CompilationBuilder.h"
22 #include "ExecutionBurstController.h"
23 
24 namespace android {
25 namespace nn {
26 
BurstBuilder(const CompilationBuilder * compilation,std::vector<std::shared_ptr<ExecutionBurstController>> burstControllers)27 BurstBuilder::BurstBuilder(const CompilationBuilder* compilation,
28                            std::vector<std::shared_ptr<ExecutionBurstController>> burstControllers)
29     : mCompilation(compilation), mBurstControllers(std::move(burstControllers)) {}
30 
tryLock()31 bool BurstBuilder::tryLock() {
32     const bool alreadyRunning = mCurrentlyRunning.test_and_set();
33     return !alreadyRunning;
34 }
35 
unlock()36 void BurstBuilder::unlock() {
37     mCurrentlyRunning.clear();
38 }
39 
getCompilation() const40 const CompilationBuilder* BurstBuilder::getCompilation() const {
41     return mCompilation;
42 }
43 
getControllerAt(size_t index) const44 std::shared_ptr<ExecutionBurstController> BurstBuilder::getControllerAt(size_t index) const {
45     return index < mBurstControllers.size() ? mBurstControllers[index] : nullptr;
46 }
47 
48 }  // namespace nn
49 }  // namespace android
50