| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| #include <iostream> |
| #include <vector> |
| |
| #include "NeuralNetworksWrapper.h" |
| #include "QuantizedLSTM.h" |
| |
| namespace android { |
| namespace nn { |
| namespace wrapper { |
| |
| namespace { |
| |
| struct OperandTypeParams { |
| Type type; |
| std::vector<uint32_t> shape; |
| float scale; |
| int32_t zeroPoint; |
| |
| OperandTypeParams(Type type, std::vector<uint32_t> shape, float scale, int32_t zeroPoint) |
| : type(type), shape(shape), scale(scale), zeroPoint(zeroPoint) {} |
| }; |
| |
| } // namespace |
| |
| using ::testing::Each; |
| using ::testing::ElementsAreArray; |
| using ::testing::FloatNear; |
| using ::testing::Matcher; |
| |
| class QuantizedLSTMOpModel { |
| public: |
| QuantizedLSTMOpModel(const std::vector<OperandTypeParams>& inputOperandTypeParams) { |
| std::vector<uint32_t> inputs; |
| |
| for (int i = 0; i < NUM_INPUTS; ++i) { |
| const auto& curOTP = inputOperandTypeParams[i]; |
| OperandType curType(curOTP.type, curOTP.shape, curOTP.scale, curOTP.zeroPoint); |
| inputs.push_back(model_.addOperand(&curType)); |
| } |
| |
| const uint32_t numBatches = inputOperandTypeParams[0].shape[0]; |
| inputSize_ = inputOperandTypeParams[0].shape[0]; |
| const uint32_t outputSize = |
| inputOperandTypeParams[QuantizedLSTMCell::kPrevCellStateTensor].shape[1]; |
| outputSize_ = outputSize; |
| |
| std::vector<uint32_t> outputs; |
| OperandType cellStateOutOperandType(Type::TENSOR_QUANT16_SYMM, {numBatches, outputSize}, |
| 1. / 2048., 0); |
| outputs.push_back(model_.addOperand(&cellStateOutOperandType)); |
| OperandType outputOperandType(Type::TENSOR_QUANT8_ASYMM, {numBatches, outputSize}, |
| 1. / 128., 128); |
| outputs.push_back(model_.addOperand(&outputOperandType)); |
| |
| model_.addOperation(ANEURALNETWORKS_QUANTIZED_16BIT_LSTM, inputs, outputs); |
| model_.identifyInputsAndOutputs(inputs, outputs); |
| |
| initializeInputData(inputOperandTypeParams[QuantizedLSTMCell::kInputTensor], &input_); |
| initializeInputData(inputOperandTypeParams[QuantizedLSTMCell::kPrevOutputTensor], |
| &prevOutput_); |
| initializeInputData(inputOperandTypeParams[QuantizedLSTMCell::kPrevCellStateTensor], |
| &prevCellState_); |
| |
| cellStateOut_.resize(numBatches * outputSize, 0); |
| output_.resize(numBatches * outputSize, 0); |
| |
| model_.finish(); |
| } |
| |
| void invoke() { |
| ASSERT_TRUE(model_.isValid()); |
| |
| Compilation compilation(&model_); |
| compilation.finish(); |
| Execution execution(&compilation); |
| |
| // Set all the inputs. |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kInputTensor, input_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kInputToInputWeightsTensor, |
| inputToInputWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kInputToForgetWeightsTensor, |
| inputToForgetWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kInputToCellWeightsTensor, |
| inputToCellWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kInputToOutputWeightsTensor, |
| inputToOutputWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kRecurrentToInputWeightsTensor, |
| recurrentToInputWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kRecurrentToForgetWeightsTensor, |
| recurrentToForgetWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kRecurrentToCellWeightsTensor, |
| recurrentToCellWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kRecurrentToOutputWeightsTensor, |
| recurrentToOutputWeights_), |
| Result::NO_ERROR); |
| ASSERT_EQ( |
| setInputTensor(&execution, QuantizedLSTMCell::kInputGateBiasTensor, inputGateBias_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kForgetGateBiasTensor, |
| forgetGateBias_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kCellGateBiasTensor, cellGateBias_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kOutputGateBiasTensor, |
| outputGateBias_), |
| Result::NO_ERROR); |
| ASSERT_EQ( |
| setInputTensor(&execution, QuantizedLSTMCell::kPrevCellStateTensor, prevCellState_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setInputTensor(&execution, QuantizedLSTMCell::kPrevOutputTensor, prevOutput_), |
| Result::NO_ERROR); |
| // Set all the outputs. |
| ASSERT_EQ( |
| setOutputTensor(&execution, QuantizedLSTMCell::kCellStateOutTensor, &cellStateOut_), |
| Result::NO_ERROR); |
| ASSERT_EQ(setOutputTensor(&execution, QuantizedLSTMCell::kOutputTensor, &output_), |
| Result::NO_ERROR); |
| |
| ASSERT_EQ(execution.compute(), Result::NO_ERROR); |
| |
| // Put state outputs into inputs for the next step |
| prevOutput_ = output_; |
| prevCellState_ = cellStateOut_; |
| } |
| |
| int inputSize() { return inputSize_; } |
| |
| int outputSize() { return outputSize_; } |
| |
| void setInput(const std::vector<uint8_t>& input) { input_ = input; } |
| |
| void setWeightsAndBiases(std::vector<uint8_t> inputToInputWeights, |
| std::vector<uint8_t> inputToForgetWeights, |
| std::vector<uint8_t> inputToCellWeights, |
| std::vector<uint8_t> inputToOutputWeights, |
| std::vector<uint8_t> recurrentToInputWeights, |
| std::vector<uint8_t> recurrentToForgetWeights, |
| std::vector<uint8_t> recurrentToCellWeights, |
| std::vector<uint8_t> recurrentToOutputWeights, |
| std::vector<int32_t> inputGateBias, |
| std::vector<int32_t> forgetGateBias, |
| std::vector<int32_t> cellGateBias, // |
| std::vector<int32_t> outputGateBias) { |
| inputToInputWeights_ = inputToInputWeights; |
| inputToForgetWeights_ = inputToForgetWeights; |
| inputToCellWeights_ = inputToCellWeights; |
| inputToOutputWeights_ = inputToOutputWeights; |
| recurrentToInputWeights_ = recurrentToInputWeights; |
| recurrentToForgetWeights_ = recurrentToForgetWeights; |
| recurrentToCellWeights_ = recurrentToCellWeights; |
| recurrentToOutputWeights_ = recurrentToOutputWeights; |
| inputGateBias_ = inputGateBias; |
| forgetGateBias_ = forgetGateBias; |
| cellGateBias_ = cellGateBias; |
| outputGateBias_ = outputGateBias; |
| } |
| |
| template <typename T> |
| void initializeInputData(OperandTypeParams params, std::vector<T>* vec) { |
| int size = 1; |
| for (int d : params.shape) { |
| size *= d; |
| } |
| vec->clear(); |
| vec->resize(size, params.zeroPoint); |
| } |
| |
| std::vector<uint8_t> getOutput() { return output_; } |
| |
| private: |
| static constexpr int NUM_INPUTS = 15; |
| static constexpr int NUM_OUTPUTS = 2; |
| |
| Model model_; |
| // Inputs |
| std::vector<uint8_t> input_; |
| std::vector<uint8_t> inputToInputWeights_; |
| std::vector<uint8_t> inputToForgetWeights_; |
| std::vector<uint8_t> inputToCellWeights_; |
| std::vector<uint8_t> inputToOutputWeights_; |
| std::vector<uint8_t> recurrentToInputWeights_; |
| std::vector<uint8_t> recurrentToForgetWeights_; |
| std::vector<uint8_t> recurrentToCellWeights_; |
| std::vector<uint8_t> recurrentToOutputWeights_; |
| std::vector<int32_t> inputGateBias_; |
| std::vector<int32_t> forgetGateBias_; |
| std::vector<int32_t> cellGateBias_; |
| std::vector<int32_t> outputGateBias_; |
| std::vector<int16_t> prevCellState_; |
| std::vector<uint8_t> prevOutput_; |
| // Outputs |
| std::vector<int16_t> cellStateOut_; |
| std::vector<uint8_t> output_; |
| |
| int inputSize_; |
| int outputSize_; |
| |
| template <typename T> |
| Result setInputTensor(Execution* execution, int tensor, const std::vector<T>& data) { |
| return execution->setInput(tensor, data.data(), sizeof(T) * data.size()); |
| } |
| template <typename T> |
| Result setOutputTensor(Execution* execution, int tensor, std::vector<T>* data) { |
| return execution->setOutput(tensor, data->data(), sizeof(T) * data->size()); |
| } |
| }; |
| |
| class QuantizedLstmTest : public ::testing::Test { |
| protected: |
| void VerifyGoldens(const std::vector<std::vector<uint8_t>>& input, |
| const std::vector<std::vector<uint8_t>>& output, |
| QuantizedLSTMOpModel* lstm) { |
| const int numBatches = input.size(); |
| EXPECT_GT(numBatches, 0); |
| const int inputSize = lstm->inputSize(); |
| EXPECT_GT(inputSize, 0); |
| const int inputSequenceSize = input[0].size() / inputSize; |
| EXPECT_GT(inputSequenceSize, 0); |
| for (int i = 0; i < inputSequenceSize; ++i) { |
| std::vector<uint8_t> inputStep; |
| for (int b = 0; b < numBatches; ++b) { |
| const uint8_t* batchStart = input[b].data() + i * inputSize; |
| const uint8_t* batchEnd = batchStart + inputSize; |
| inputStep.insert(inputStep.end(), batchStart, batchEnd); |
| } |
| lstm->setInput(inputStep); |
| lstm->invoke(); |
| |
| const int outputSize = lstm->outputSize(); |
| std::vector<float> expected; |
| for (int b = 0; b < numBatches; ++b) { |
| const uint8_t* goldenBatchStart = output[b].data() + i * outputSize; |
| const uint8_t* goldenBatchEnd = goldenBatchStart + outputSize; |
| expected.insert(expected.end(), goldenBatchStart, goldenBatchEnd); |
| } |
| EXPECT_THAT(lstm->getOutput(), ElementsAreArray(expected)); |
| } |
| } |
| }; |
| |
| // Inputs and weights in this test are random and the test only checks that the |
| // outputs are equal to outputs obtained from running TF Lite version of |
| // quantized LSTM on the same inputs. |
| TEST_F(QuantizedLstmTest, BasicQuantizedLstmTest) { |
| const int numBatches = 2; |
| const int inputSize = 2; |
| const int outputSize = 4; |
| |
| float weightsScale = 0.00408021; |
| int weightsZeroPoint = 100; |
| // OperandType biasOperandType(Type::TENSOR_INT32, input_shapes[3], |
| // weightsScale / 128., 0); |
| // inputs.push_back(model_.addOperand(&biasOperandType)); |
| // OperandType prevCellStateOperandType(Type::TENSOR_QUANT16_SYMM, input_shapes[4], |
| // 1. / 2048., 0); |
| // inputs.push_back(model_.addOperand(&prevCellStateOperandType)); |
| |
| QuantizedLSTMOpModel lstm({ |
| // input |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {numBatches, inputSize}, 1. / 128., 128), |
| // inputToInputWeights |
| // inputToForgetWeights |
| // inputToCellWeights |
| // inputToOutputWeights |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, inputSize}, weightsScale, |
| weightsZeroPoint), |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, inputSize}, weightsScale, |
| weightsZeroPoint), |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, inputSize}, weightsScale, |
| weightsZeroPoint), |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, inputSize}, weightsScale, |
| weightsZeroPoint), |
| // recurrentToInputWeights |
| // recurrentToForgetWeights |
| // recurrentToCellWeights |
| // recurrentToOutputWeights |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, outputSize}, weightsScale, |
| weightsZeroPoint), |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, outputSize}, weightsScale, |
| weightsZeroPoint), |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, outputSize}, weightsScale, |
| weightsZeroPoint), |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {outputSize, outputSize}, weightsScale, |
| weightsZeroPoint), |
| // inputGateBias |
| // forgetGateBias |
| // cellGateBias |
| // outputGateBias |
| OperandTypeParams(Type::TENSOR_INT32, {outputSize}, weightsScale / 128., 0), |
| OperandTypeParams(Type::TENSOR_INT32, {outputSize}, weightsScale / 128., 0), |
| OperandTypeParams(Type::TENSOR_INT32, {outputSize}, weightsScale / 128., 0), |
| OperandTypeParams(Type::TENSOR_INT32, {outputSize}, weightsScale / 128., 0), |
| // prevCellState |
| OperandTypeParams(Type::TENSOR_QUANT16_SYMM, {numBatches, outputSize}, 1. / 2048., 0), |
| // prevOutput |
| OperandTypeParams(Type::TENSOR_QUANT8_ASYMM, {numBatches, outputSize}, 1. / 128., 128), |
| }); |
| |
| lstm.setWeightsAndBiases( |
| // inputToInputWeights |
| {146, 250, 235, 171, 10, 218, 171, 108}, |
| // inputToForgetWeights |
| {24, 50, 132, 179, 158, 110, 3, 169}, |
| // inputToCellWeights |
| {133, 34, 29, 49, 206, 109, 54, 183}, |
| // inputToOutputWeights |
| {195, 187, 11, 99, 109, 10, 218, 48}, |
| // recurrentToInputWeights |
| {254, 206, 77, 168, 71, 20, 215, 6, 223, 7, 118, 225, 59, 130, 174, 26}, |
| // recurrentToForgetWeights |
| {137, 240, 103, 52, 68, 51, 237, 112, 0, 220, 89, 23, 69, 4, 207, 253}, |
| // recurrentToCellWeights |
| {172, 60, 205, 65, 14, 0, 140, 168, 240, 223, 133, 56, 142, 64, 246, 216}, |
| // recurrentToOutputWeights |
| {106, 214, 67, 23, 59, 158, 45, 3, 119, 132, 49, 205, 129, 218, 11, 98}, |
| // inputGateBias |
| {-7876, 13488, -726, 32839}, |
| // forgetGateBias |
| {9206, -46884, -11693, -38724}, |
| // cellGateBias |
| {39481, 48624, 48976, -21419}, |
| // outputGateBias |
| {-58999, -17050, -41852, -40538}); |
| |
| // LSTM input is stored as numBatches x (sequenceLength x inputSize) vector. |
| std::vector<std::vector<uint8_t>> lstmInput; |
| // clang-format off |
| lstmInput = {{154, 166, |
| 166, 179, |
| 141, 141}, |
| {100, 200, |
| 50, 150, |
| 111, 222}}; |
| // clang-format on |
| |
| // LSTM output is stored as numBatches x (sequenceLength x outputSize) vector. |
| std::vector<std::vector<uint8_t>> lstmGoldenOutput; |
| // clang-format off |
| lstmGoldenOutput = {{136, 150, 140, 115, |
| 140, 151, 146, 112, |
| 139, 153, 146, 114}, |
| {135, 152, 138, 112, |
| 136, 156, 142, 112, |
| 141, 154, 146, 108}}; |
| // clang-format on |
| VerifyGoldens(lstmInput, lstmGoldenOutput, &lstm); |
| }; |
| |
| } // namespace wrapper |
| } // namespace nn |
| } // namespace android |
