| /* |
| * 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. |
| */ |
| |
| #define LOG_TAG "Operations" |
| |
| #include "Pooling.h" |
| |
| #include <vector> |
| |
| #include "OperationResolver.h" |
| #include "Tracing.h" |
| #include "nnapi/Validation.h" |
| |
| #ifdef NN_INCLUDE_CPU_IMPLEMENTATION |
| #pragma clang diagnostic push |
| #pragma clang diagnostic ignored "-Wunused-parameter" |
| #pragma clang diagnostic ignored "-Wsign-compare" |
| #pragma clang diagnostic ignored "-Winvalid-partial-specialization" |
| #include <tensorflow/lite/kernels/internal/optimized/optimized_ops.h> |
| #include <tensorflow/lite/kernels/internal/reference/integer_ops/pooling.h> |
| #pragma clang diagnostic pop |
| |
| #include "CpuOperationUtils.h" |
| #endif // NN_INCLUDE_CPU_IMPLEMENTATION |
| |
| namespace android { |
| namespace nn { |
| |
| namespace pooling { |
| |
| #ifdef NN_INCLUDE_CPU_IMPLEMENTATION |
| namespace { |
| |
| struct PoolingParam { |
| int32_t padding_left, padding_right; |
| int32_t padding_top, padding_bottom; |
| int32_t stride_width, stride_height; |
| int32_t filter_width, filter_height; |
| int32_t activation; |
| bool useNchw = false; |
| |
| bool initialize(const IOperationExecutionContext* context) { |
| uint32_t inCount = context->getNumInputs(); |
| int32_t padding_implicit = 0; |
| if (inCount >= 10) { |
| padding_left = context->getInputValue<int32_t>(1); |
| padding_right = context->getInputValue<int32_t>(2); |
| padding_top = context->getInputValue<int32_t>(3); |
| padding_bottom = context->getInputValue<int32_t>(4); |
| stride_width = context->getInputValue<int32_t>(5); |
| stride_height = context->getInputValue<int32_t>(6); |
| filter_width = context->getInputValue<int32_t>(7); |
| filter_height = context->getInputValue<int32_t>(8); |
| activation = context->getInputValue<int32_t>(9); |
| if (inCount == 11) { |
| useNchw = context->getInputValue<bool>(10); |
| } |
| } else { |
| padding_implicit = context->getInputValue<int32_t>(1); |
| stride_width = context->getInputValue<int32_t>(2); |
| stride_height = context->getInputValue<int32_t>(3); |
| filter_width = context->getInputValue<int32_t>(4); |
| filter_height = context->getInputValue<int32_t>(5); |
| activation = context->getInputValue<int32_t>(6); |
| if (inCount == 8) { |
| useNchw = context->getInputValue<bool>(7); |
| } |
| } |
| if (inCount <= 8) { |
| Shape inputShape = context->getInputShape(kInputTensor); |
| int32_t input_height = getSizeOfDimension(inputShape, useNchw ? 2 : 1); |
| int32_t input_width = getSizeOfDimension(inputShape, useNchw ? 3 : 2); |
| calculateExplicitPadding(input_width, stride_width, filter_width, padding_implicit, |
| &padding_left, &padding_right); |
| calculateExplicitPadding(input_height, stride_height, filter_height, padding_implicit, |
| &padding_top, &padding_bottom); |
| } |
| NN_RET_CHECK_GE(padding_left, 0); |
| NN_RET_CHECK_GE(padding_right, 0); |
| NN_RET_CHECK_GE(padding_top, 0); |
| NN_RET_CHECK_GE(padding_bottom, 0); |
| NN_RET_CHECK_GT(stride_width, 0); |
| NN_RET_CHECK_GT(stride_height, 0); |
| NN_RET_CHECK_GT(filter_width, 0); |
| NN_RET_CHECK_GT(filter_height, 0); |
| NN_RET_CHECK_GE(activation, 0); |
| NN_RET_CHECK_GT(filter_width, padding_left); |
| NN_RET_CHECK_GT(filter_width, padding_right); |
| NN_RET_CHECK_GT(filter_height, padding_top); |
| NN_RET_CHECK_GT(filter_height, padding_bottom); |
| return true; |
| } |
| |
| tflite::PoolParams toTfliteParam(const Shape& output) const { |
| tflite::PoolParams params = { |
| .padding_values = {.width = static_cast<int16_t>(padding_left), |
| .height = static_cast<int16_t>(padding_top), |
| .width_offset = 0, |
| .height_offset = 0}, |
| .stride_height = stride_height, |
| .stride_width = stride_width, |
| .filter_height = filter_height, |
| .filter_width = filter_width, |
| }; |
| if (output.type == OperandType::TENSOR_QUANT8_ASYMM) { |
| int32_t output_activation_min = 0; |
| int32_t output_activation_max = 0; |
| CalculateActivationRangeUint8(activation, output, &output_activation_min, |
| &output_activation_max); |
| params.quantized_activation_min = output_activation_min; |
| params.quantized_activation_max = output_activation_max; |
| } else if (output.type == OperandType::TENSOR_QUANT8_ASYMM_SIGNED) { |
| int32_t output_activation_min = 0; |
| int32_t output_activation_max = 0; |
| CalculateActivationRangeInt8(activation, output, &output_activation_min, |
| &output_activation_max); |
| params.quantized_activation_min = output_activation_min; |
| params.quantized_activation_max = output_activation_max; |
| } else { |
| float output_activation_min, output_activation_max; |
| CalculateActivationRangeFloat(activation, &output_activation_min, |
| &output_activation_max); |
| params.float_activation_min = output_activation_min; |
| params.float_activation_max = output_activation_max; |
| } |
| return params; |
| } |
| }; |
| |
| bool averagePoolNhwc(const float* inputData, const Shape& inputShape, const PoolingParam& param, |
| float* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("averagePoolFloat32"); |
| auto op_params = param.toTfliteParam(outputShape); |
| NNTRACE_COMP_SWITCH("optimized_ops::AveragePool"); |
| tflite::optimized_ops::AveragePool(op_params, convertShapeToTflshape(inputShape), inputData, |
| convertShapeToTflshape(outputShape), outputData); |
| return true; |
| } |
| |
| bool averagePoolNhwc(const _Float16* inputData, const Shape& inputShape, const PoolingParam& param, |
| _Float16* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("averagePoolFloat16"); |
| std::vector<float> inputDataFloat32(getNumberOfElements(inputShape)); |
| std::vector<float> outputDataFloat32(getNumberOfElements(outputShape)); |
| |
| convertFloat16ToFloat32(inputData, &inputDataFloat32); |
| averagePoolNhwc(inputDataFloat32.data(), inputShape, param, outputDataFloat32.data(), |
| outputShape); |
| convertFloat32ToFloat16(outputDataFloat32, outputData); |
| return true; |
| } |
| |
| bool averagePoolNhwc(const uint8_t* inputData, const Shape& inputShape, const PoolingParam& param, |
| uint8_t* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("averagePoolQuant8"); |
| auto op_params = param.toTfliteParam(outputShape); |
| NNTRACE_COMP_SWITCH("optimized_ops::AveragePool"); |
| tflite::optimized_ops::AveragePool(op_params, convertShapeToTflshape(inputShape), inputData, |
| convertShapeToTflshape(outputShape), outputData); |
| return true; |
| } |
| |
| bool averagePoolNhwc(const int8_t* inputData, const Shape& inputShape, const PoolingParam& param, |
| int8_t* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("averagePoolQuant8Signed"); |
| auto op_params = param.toTfliteParam(outputShape); |
| NNTRACE_COMP_SWITCH("optimized_integer_ops::AveragePool"); |
| // We are using reference implementation of the AveragePool op because the |
| // optimized version fails to pass some of the quantization coupling tests. |
| tflite::reference_integer_ops::AveragePool(op_params, convertShapeToTflshape(inputShape), |
| inputData, convertShapeToTflshape(outputShape), |
| outputData); |
| return true; |
| } |
| |
| bool l2PoolNhwc(const float* inputData, const Shape& inputShape, const PoolingParam& param, |
| float* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("l2PoolFloat32"); |
| auto op_params = param.toTfliteParam(outputShape); |
| NNTRACE_COMP_SWITCH("optimized_ops::L2Pool"); |
| tflite::optimized_ops::L2Pool(op_params, convertShapeToTflshape(inputShape), inputData, |
| convertShapeToTflshape(outputShape), outputData); |
| return true; |
| } |
| |
| bool l2PoolNhwc(const _Float16* inputData, const Shape& inputShape, const PoolingParam& param, |
| _Float16* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("l2PoolFloat16"); |
| std::vector<float> inputDataFloat32(getNumberOfElements(inputShape)); |
| std::vector<float> outputDataFloat32(getNumberOfElements(outputShape)); |
| |
| convertFloat16ToFloat32(inputData, &inputDataFloat32); |
| l2PoolNhwc(inputDataFloat32.data(), inputShape, param, outputDataFloat32.data(), outputShape); |
| convertFloat32ToFloat16(outputDataFloat32, outputData); |
| return true; |
| } |
| |
| bool maxPoolNhwc(const float* inputData, const Shape& inputShape, const PoolingParam& param, |
| float* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("maxPoolFloat32"); |
| auto op_params = param.toTfliteParam(outputShape); |
| NNTRACE_COMP_SWITCH("optimized_ops::MaxPool"); |
| tflite::optimized_ops::MaxPool(op_params, convertShapeToTflshape(inputShape), inputData, |
| convertShapeToTflshape(outputShape), outputData); |
| return true; |
| } |
| |
| bool maxPoolNhwc(const uint8_t* inputData, const Shape& inputShape, const PoolingParam& param, |
| uint8_t* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("maxPoolQuant8"); |
| auto op_params = param.toTfliteParam(outputShape); |
| NNTRACE_COMP_SWITCH("optimized_ops::MaxPool"); |
| tflite::optimized_ops::MaxPool(op_params, convertShapeToTflshape(inputShape), inputData, |
| convertShapeToTflshape(outputShape), outputData); |
| return true; |
| } |
| |
| bool maxPoolNhwc(const int8_t* inputData, const Shape& inputShape, const PoolingParam& param, |
| int8_t* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("maxPoolQuant8Signed"); |
| auto op_params = param.toTfliteParam(outputShape); |
| NNTRACE_COMP_SWITCH("optimized_integer_ops::MaxPool"); |
| // We are using reference implementation of the MaxPool op because the |
| // optimized version fails to pass some of the quantization coupling tests. |
| tflite::reference_integer_ops::MaxPool(op_params, convertShapeToTflshape(inputShape), inputData, |
| convertShapeToTflshape(outputShape), outputData); |
| return true; |
| } |
| |
| bool maxPoolNhwc(const _Float16* inputData, const Shape& inputShape, const PoolingParam& param, |
| _Float16* outputData, const Shape& outputShape) { |
| NNTRACE_TRANS("maxPoolFloat16"); |
| std::vector<float> inputData_float32(getNumberOfElements(inputShape)); |
| std::vector<float> outputData_float32(getNumberOfElements(outputShape)); |
| |
| convertFloat16ToFloat32(inputData, &inputData_float32); |
| maxPoolNhwc(inputData_float32.data(), inputShape, param, outputData_float32.data(), |
| outputShape); |
| convertFloat32ToFloat16(outputData_float32, outputData); |
| return true; |
| } |
| |
| template <typename T> |
| bool averagePool(const T* inputData, const Shape& inputShape, const PoolingParam& param, |
| T* outputData, const Shape& outputShape) { |
| InputWithLayout<T> input(param.useNchw); |
| OutputWithLayout<T> output(param.useNchw); |
| NN_RET_CHECK(input.initialize(inputData, inputShape)); |
| NN_RET_CHECK(output.initialize(outputData, outputShape)); |
| NN_RET_CHECK(averagePoolNhwc(input.getNhwcBuffer(), input.getNhwcShape(), param, |
| output.getNhwcBuffer(), output.getNhwcShape())); |
| NN_RET_CHECK(output.commit()); |
| return true; |
| } |
| |
| template <typename T> |
| bool l2Pool(const T* inputData, const Shape& inputShape, const PoolingParam& param, T* outputData, |
| const Shape& outputShape) { |
| InputWithLayout<T> input(param.useNchw); |
| OutputWithLayout<T> output(param.useNchw); |
| NN_RET_CHECK(input.initialize(inputData, inputShape)); |
| NN_RET_CHECK(output.initialize(outputData, outputShape)); |
| NN_RET_CHECK(l2PoolNhwc(input.getNhwcBuffer(), input.getNhwcShape(), param, |
| output.getNhwcBuffer(), output.getNhwcShape())); |
| NN_RET_CHECK(output.commit()); |
| return true; |
| } |
| |
| template <typename T> |
| bool maxPool(const T* inputData, const Shape& inputShape, const PoolingParam& param, T* outputData, |
| const Shape& outputShape) { |
| InputWithLayout<T> input(param.useNchw); |
| OutputWithLayout<T> output(param.useNchw); |
| NN_RET_CHECK(input.initialize(inputData, inputShape)); |
| NN_RET_CHECK(output.initialize(outputData, outputShape)); |
| NN_RET_CHECK(maxPoolNhwc(input.getNhwcBuffer(), input.getNhwcShape(), param, |
| output.getNhwcBuffer(), output.getNhwcShape())); |
| NN_RET_CHECK(output.commit()); |
| return true; |
| } |
| |
| } // namespace |
| |
| bool prepare(IOperationExecutionContext* context) { |
| Shape input = context->getInputShape(kInputTensor); |
| NN_RET_CHECK_EQ(getNumberOfDimensions(input), 4u); |
| |
| PoolingParam param; |
| NN_RET_CHECK(param.initialize(context)); |
| |
| // Only batches can be zero. |
| uint32_t batches = getSizeOfDimension(input, 0); |
| uint32_t height = getSizeOfDimension(input, param.useNchw ? 2 : 1); |
| uint32_t width = getSizeOfDimension(input, param.useNchw ? 3 : 2); |
| uint32_t channels = getSizeOfDimension(input, param.useNchw ? 1 : 3); |
| NN_RET_CHECK_GT(height, 0u); |
| NN_RET_CHECK_GT(width, 0u); |
| NN_RET_CHECK_GT(channels, 0u); |
| |
| uint32_t outWidth = computeOutSize(width, param.filter_width, param.stride_width, |
| param.padding_left, param.padding_right); |
| uint32_t outHeight = computeOutSize(height, param.filter_height, param.stride_height, |
| param.padding_top, param.padding_bottom); |
| |
| Shape output = input; |
| if (param.useNchw) { |
| output.dimensions = {batches, channels, outHeight, outWidth}; |
| } else { |
| output.dimensions = {batches, outHeight, outWidth, channels}; |
| } |
| return context->setOutputShape(kOutputTensor, output); |
| } |
| |
| #define POOLING_DISPATCH_INPUT_TYPE(name, type, cppType) \ |
| case OperandType::type: \ |
| return name(context->getInputBuffer<cppType>(kInputTensor), \ |
| context->getInputShape(kInputTensor), param, \ |
| context->getOutputBuffer<cppType>(kOutputTensor), \ |
| context->getOutputShape(kOutputTensor)) |
| |
| bool executeAveragePool(IOperationExecutionContext* context) { |
| // Bypass execution in the case of zero-sized input. |
| if (getNumberOfElements(context->getOutputShape(kOutputTensor)) == 0) return true; |
| PoolingParam param; |
| NN_RET_CHECK(param.initialize(context)); |
| switch (context->getInputType(kInputTensor)) { |
| POOLING_DISPATCH_INPUT_TYPE(averagePool, TENSOR_FLOAT32, float); |
| POOLING_DISPATCH_INPUT_TYPE(averagePool, TENSOR_FLOAT16, _Float16); |
| POOLING_DISPATCH_INPUT_TYPE(averagePool, TENSOR_QUANT8_ASYMM, uint8_t); |
| POOLING_DISPATCH_INPUT_TYPE(averagePool, TENSOR_QUANT8_ASYMM_SIGNED, int8_t); |
| default: |
| NN_RET_CHECK_FAIL() << "Unsupported tensor type for operation AVERAGE_POOL_2D"; |
| } |
| } |
| |
| bool executeL2Pool(IOperationExecutionContext* context) { |
| // Bypass execution in the case of zero-sized input. |
| if (getNumberOfElements(context->getOutputShape(kOutputTensor)) == 0) return true; |
| PoolingParam param; |
| NN_RET_CHECK(param.initialize(context)); |
| switch (context->getInputType(kInputTensor)) { |
| POOLING_DISPATCH_INPUT_TYPE(l2Pool, TENSOR_FLOAT32, float); |
| POOLING_DISPATCH_INPUT_TYPE(l2Pool, TENSOR_FLOAT16, _Float16); |
| default: |
| NN_RET_CHECK_FAIL() << "Unsupported tensor type for operation L2_POOL_2D"; |
| } |
| } |
| |
| bool executeMaxPool(IOperationExecutionContext* context) { |
| // Bypass execution in the case of zero-sized input. |
| if (getNumberOfElements(context->getOutputShape(kOutputTensor)) == 0) return true; |
| PoolingParam param; |
| NN_RET_CHECK(param.initialize(context)); |
| switch (context->getInputType(kInputTensor)) { |
| POOLING_DISPATCH_INPUT_TYPE(maxPool, TENSOR_FLOAT32, float); |
| POOLING_DISPATCH_INPUT_TYPE(maxPool, TENSOR_FLOAT16, _Float16); |
| POOLING_DISPATCH_INPUT_TYPE(maxPool, TENSOR_QUANT8_ASYMM, uint8_t); |
| POOLING_DISPATCH_INPUT_TYPE(maxPool, TENSOR_QUANT8_ASYMM_SIGNED, int8_t); |
| default: |
| NN_RET_CHECK_FAIL() << "Unsupported tensor type for operation MAX_POOL_2D"; |
| } |
| } |
| #endif // NN_INCLUDE_CPU_IMPLEMENTATION |
| |
| #undef POOLING_DISPATCH_INPUT_TYPE |
| |
| } // namespace pooling |
| |
| NN_REGISTER_OPERATION_DEFAULT_VALIDATION(AVERAGE_POOL_2D, pooling::prepare, |
| pooling::executeAveragePool, .allowZeroSizedInput = true); |
| NN_REGISTER_OPERATION_DEFAULT_VALIDATION(L2_POOL_2D, pooling::prepare, pooling::executeL2Pool, |
| .allowZeroSizedInput = true); |
| NN_REGISTER_OPERATION_DEFAULT_VALIDATION(MAX_POOL_2D, pooling::prepare, pooling::executeMaxPool, |
| .allowZeroSizedInput = true); |
| |
| } // namespace nn |
| } // namespace android |
