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 #include "fuzzing/OperationManager.h"
18
19 #include <vector>
20
21 #include "TestNeuralNetworksWrapper.h"
22 #include "fuzzing/RandomGraphGeneratorUtils.h"
23
24 namespace android {
25 namespace nn {
26 namespace fuzzing_test {
27
28 template <typename T>
hasValue(const std::vector<T> & vec,const T & val)29 inline bool hasValue(const std::vector<T>& vec, const T& val) {
30 // Empty vector indicates "no filter", i.e. always true.
31 return vec.empty() || std::count(vec.begin(), vec.end(), val) > 0;
32 }
33
matchFilter(const OperationFilter & filter)34 bool OperationSignature::matchFilter(const OperationFilter& filter) {
35 if (!hasValue(filter.opcodes, opType) || !hasValue(filter.versions, version)) {
36 return false;
37 }
38
39 // Match data types.
40 std::vector<Type> combinedDataTypes;
41 for (auto dataType : supportedDataTypes) {
42 if (hasValue(filter.dataTypes, dataType)) combinedDataTypes.push_back(dataType);
43 }
44 if (combinedDataTypes.empty()) return false;
45 supportedDataTypes = combinedDataTypes;
46
47 // Match rank.
48 std::vector<uint32_t> combinedRanks;
49 for (auto rank : supportedRanks) {
50 if (hasValue(filter.ranks, rank)) combinedRanks.push_back(rank);
51 }
52 if (combinedRanks.empty()) return false;
53 supportedRanks = combinedRanks;
54 return true;
55 }
56
get()57 OperationManager* OperationManager::get() {
58 static OperationManager instance;
59 return &instance;
60 }
61
addSignature(const std::string & name,const OperationSignature & signature)62 void OperationManager::addSignature(const std::string& name, const OperationSignature& signature) {
63 mOperationSignatures.emplace(name, signature);
64 }
65
applyFilter(const OperationFilter & filter)66 void OperationManager::applyFilter(const OperationFilter& filter) {
67 mFilteredSignatures.clear();
68 for (const auto& pair : mOperationSignatures) {
69 mFilteredSignatures.push_back(pair.second);
70 if (!mFilteredSignatures.back().matchFilter(filter)) mFilteredSignatures.pop_back();
71 }
72 }
73
getRandomOperation() const74 const OperationSignature& OperationManager::getRandomOperation() const {
75 NN_FUZZER_CHECK(!mFilteredSignatures.empty());
76 return getRandomChoice(mFilteredSignatures);
77 }
78
79 } // namespace fuzzing_test
80 } // namespace nn
81 } // namespace android
82