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1 /*
2  * Copyright (C) 2017 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 #ifndef ANDROID_ML_NN_RUNTIME_COMPILATION_BUILDER_H
18 #define ANDROID_ML_NN_RUNTIME_COMPILATION_BUILDER_H
19 
20 #include "ExecutionPlan.h"
21 #include "NeuralNetworks.h"
22 
23 #include <memory>
24 #include <vector>
25 
26 namespace android {
27 namespace nn {
28 
29 class Device;
30 class ExecutionBuilder;
31 class ModelBuilder;
32 
33 class CompilationBuilder {
34 public:
35     friend class ExecutionBuilder;  // TODO remove this
36 
37     CompilationBuilder(const ModelBuilder* model);
38 
39     int setPreference(int32_t preference);
40 
41     int setPartitioning(uint32_t partitioning);
42 
43     int finish();
44 
45     int finish(const std::vector<std::shared_ptr<Device>>& devices);
46 
47     int createExecution(ExecutionBuilder** execution);
48 
forTest_getExecutionPlan()49     const ExecutionPlan& forTest_getExecutionPlan() const { return mPlan; }
50 
51 private:
52     const ModelBuilder* mModel;
53 
54     ExecutionPlan mPlan;
55 
56     // Whether the application prefers to go fast or use low power for this execution.
57     int32_t mPreference = ANEURALNETWORKS_PREFER_FAST_SINGLE_ANSWER;
58 
59     // See class DeviceManager.  When CompilationBuilder is
60     // instantiated, we capture partitioning from DeviceManager; but
61     // we can override this later.
62     uint32_t mPartitioning;
63 
64     // Once the compilation has been finished, we should not allow further
65     // modifications to the compilation.
66     bool mFinished = false;
67 };
68 
69 } // namespace nn
70 } // namespace android
71 
72 #endif // ANDROID_ML_NN_RUNTIME_COMPILATION_BUILDER_H
73