| /* |
| * Copyright (c) 2018-2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "arm_compute/core/NEON/kernels/NEYOLOLayerKernel.h" |
| |
| #include "arm_compute/core/CPP/Validate.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/NEON/NEAsymm.h" |
| #include "arm_compute/core/NEON/NEFixedPoint.h" |
| #include "arm_compute/core/NEON/NEMath.h" |
| #include "arm_compute/core/NEON/kernels/detail/NEActivationFunctionDetail.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Utils.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| |
| #include <arm_neon.h> |
| |
| using namespace arm_compute; |
| namespace |
| { |
| Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info, int32_t num_classes) |
| { |
| ARM_COMPUTE_UNUSED(act_info); |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32); |
| ARM_COMPUTE_RETURN_ERROR_ON(input->data_layout() == DataLayout::UNKNOWN); |
| ARM_COMPUTE_RETURN_ERROR_ON(act_info.activation() != ActivationLayerInfo::ActivationFunction::LOGISTIC); |
| |
| const unsigned int channel_idx = get_data_layout_dimension_index(input->data_layout(), DataLayoutDimension::CHANNEL); |
| ARM_COMPUTE_RETURN_ERROR_ON(num_classes <= 0); |
| ARM_COMPUTE_RETURN_ERROR_ON((input->dimension(channel_idx) % (num_classes + 5)) != 0); |
| |
| // Checks performed when output is configured |
| if((output != nullptr) && (output->total_size() != 0)) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| } |
| |
| return Status{}; |
| } |
| |
| std::pair<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output) |
| { |
| if(output != nullptr) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| |
| // Output auto inizialitation if not yet initialized |
| auto_init_if_empty(*output, *input); |
| } |
| |
| const bool is_nchw = input->data_layout() == DataLayout::NCHW; |
| const unsigned int num_elems_processed_per_iteration = is_nchw ? 16 / input->element_size() : 1; |
| |
| Window win = calculate_max_window(*input, Steps(num_elems_processed_per_iteration)); |
| bool window_changed = false; |
| |
| if(output != nullptr) |
| { |
| AccessWindowHorizontal input_access(input, 0, num_elems_processed_per_iteration); |
| AccessWindowHorizontal output_access(output, 0, num_elems_processed_per_iteration); |
| window_changed = update_window_and_padding(win, input_access, output_access); |
| output_access.set_valid_region(win, input->valid_region()); |
| } |
| else |
| { |
| window_changed = update_window_and_padding(win, AccessWindowHorizontal(input, 0, num_elems_processed_per_iteration)); |
| } |
| |
| Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; |
| return std::make_pair(err, win); |
| } |
| } // namespace |
| |
| NEYOLOLayerKernel::NEYOLOLayerKernel() |
| : _func(nullptr), _input(nullptr), _output(nullptr), _act_info(), _num_classes() |
| { |
| } |
| |
| void NEYOLOLayerKernel::yolo_layer_fp32_nchw(const Window &window) |
| { |
| Iterator input(_input, window); |
| Iterator output(_output, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float32x4_t res = vld1q_f32(reinterpret_cast<float *>(input.ptr())); |
| |
| const int box_ch_id = id.z() % (_num_classes + 5); |
| const bool activate = box_ch_id != 2 && box_ch_id != 3; |
| |
| // Perform activation |
| if(activate) |
| { |
| auto activation = ::detail::logistic<float, 4>(_act_info); |
| activation(res); |
| } |
| |
| // Store results |
| vst1q_f32(reinterpret_cast<float *>(output.ptr()), res); |
| }, |
| input, output); |
| } |
| |
| void NEYOLOLayerKernel::yolo_layer_fp32_nhwc(const Window &window) |
| { |
| Iterator input(_input, window); |
| Iterator output(_output, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float res = *(reinterpret_cast<float *>(input.ptr())); |
| |
| const int box_ch_id = id.x() % (_num_classes + 5); |
| const bool activate = box_ch_id != 2 && box_ch_id != 3; |
| |
| // Perform activation |
| if(activate) |
| { |
| res = 1.f / (1.f + std::exp(-res)); |
| } |
| |
| // Store result |
| *(reinterpret_cast<float *>(output.ptr())) = res; |
| }, |
| input, output); |
| } |
| |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| void NEYOLOLayerKernel::yolo_layer_fp16_nchw(const Window &window) |
| { |
| Iterator input(_input, window); |
| Iterator output(_output, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float16x8_t res = vld1q_f16(reinterpret_cast<float16_t *>(input.ptr())); |
| |
| const int box_ch_id = id.z() % (_num_classes + 5); |
| const bool activate = box_ch_id != 2 && box_ch_id != 3; |
| |
| // Perform activation |
| if(activate) |
| { |
| auto activation = ::detail::logistic<float16_t, 8>(_act_info); |
| activation(res); |
| } |
| |
| // Store results |
| vst1q_f16(reinterpret_cast<float16_t *>(output.ptr()), res); |
| }, |
| input, output); |
| } |
| |
| void NEYOLOLayerKernel::yolo_layer_fp16_nhwc(const Window &window) |
| { |
| Iterator input(_input, window); |
| Iterator output(_output, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| float16_t res = *(reinterpret_cast<float16_t *>(input.ptr())); |
| |
| const int box_ch_id = id.x() % (_num_classes + 5); |
| const bool activate = box_ch_id != 2 && box_ch_id != 3; |
| |
| // Perform activation |
| if(activate) |
| { |
| res = 1.f / (1.f + std::exp(-res)); |
| } |
| |
| // Store result |
| *(reinterpret_cast<float16_t *>(output.ptr())) = res; |
| }, |
| input, output); |
| } |
| #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
| |
| void NEYOLOLayerKernel::configure(ITensor *input, ITensor *output, const ActivationLayerInfo &act_info, int32_t num_classes) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input); |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input->info(), (output != nullptr) ? output->info() : nullptr, act_info, num_classes)); |
| |
| _input = input; |
| _output = output; |
| _act_info = act_info; |
| _num_classes = num_classes; |
| |
| switch(_input->info()->data_type()) |
| { |
| #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F16: |
| _func = (_input->info()->data_layout() == DataLayout::NHWC) ? &NEYOLOLayerKernel::yolo_layer_fp16_nhwc : &NEYOLOLayerKernel::yolo_layer_fp16_nchw; |
| break; |
| #endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| case DataType::F32: |
| _func = (_input->info()->data_layout() == DataLayout::NHWC) ? &NEYOLOLayerKernel::yolo_layer_fp32_nhwc : &NEYOLOLayerKernel::yolo_layer_fp32_nchw; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Element size not supported"); |
| break; |
| } |
| |
| // Configure kernel window |
| auto win_config = validate_and_configure_window(input->info(), (output == nullptr) ? nullptr : output->info()); |
| ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| ICPPKernel::configure(win_config.second); |
| } |
| |
| Status NEYOLOLayerKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info, int32_t num_classes) |
| { |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, act_info, num_classes)); |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), (output == nullptr) ? nullptr : output->clone().get()).first); |
| |
| return Status{}; |
| } |
| |
| void NEYOLOLayerKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| ARM_COMPUTE_ERROR_ON(_func == nullptr); |
| |
| (this->*_func)(window); |
| } |