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 FRAMEWORKS_ML_NN_HASHTABLE_LOOKUP_H 18 #define FRAMEWORKS_ML_NN_HASHTABLE_LOOKUP_H 19 20 #include <vector> 21 22 namespace android { 23 namespace hardware { 24 namespace neuralnetworks { 25 namespace V1_1 { 26 struct Operation; 27 } 28 } // namespace neuralnetworks 29 } // namespace hardware 30 } // namespace android 31 32 namespace android { 33 namespace nn { 34 35 struct RunTimeOperandInfo; 36 37 class HashtableLookup { 38 public: 39 HashtableLookup( 40 const android::hardware::neuralnetworks::V1_1::Operation &operation, 41 std::vector<RunTimeOperandInfo> &operands); 42 43 bool Eval(); 44 45 static constexpr int kLookupTensor = 0; 46 static constexpr int kKeyTensor = 1; 47 static constexpr int kValueTensor = 2; 48 49 static constexpr int kOutputTensor = 0; 50 static constexpr int kHitsTensor = 1; 51 52 private: 53 const RunTimeOperandInfo *lookup_; 54 const RunTimeOperandInfo *key_; 55 const RunTimeOperandInfo *value_; 56 57 RunTimeOperandInfo *output_; 58 RunTimeOperandInfo *hits_; 59 }; 60 61 } // namespace nn 62 } // namespace android 63 64 #endif // FRAMEWORKS_ML_NN_HASHTABLE_LOOKUP_H 65