| /* |
| * Copyright (c) 2018 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/CPP/kernels/CPPFlipWeightsKernel.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| |
| #include <cstddef> |
| #include <cstdint> |
| |
| using namespace arm_compute; |
| |
| CPPFlipWeightsKernel::CPPFlipWeightsKernel() |
| : _input(nullptr), _output(nullptr), _func(nullptr) |
| { |
| } |
| |
| template <typename T> |
| void CPPFlipWeightsKernel::flip_weights(const Window &window_input) |
| { |
| // Create iterators |
| Iterator in(_input, window_input); |
| |
| const DataLayout data_layout = _input->info()->data_layout(); |
| const size_t idx_w = get_data_layout_dimension_index(data_layout, DataLayoutDimension::WIDTH); |
| const size_t idx_h = get_data_layout_dimension_index(data_layout, DataLayoutDimension::HEIGHT); |
| |
| const int kernel_width = _input->info()->dimension(idx_w); |
| const int kernel_height = _input->info()->dimension(idx_h); |
| |
| execute_window_loop(window_input, [&](const Coordinates & id) |
| { |
| const unsigned int x = kernel_width - id[idx_w] - 1; |
| const unsigned int y = kernel_height - id[idx_h] - 1; |
| Coordinates output_coord(id); |
| output_coord.set(idx_w, x); |
| output_coord.set(idx_h, y); |
| *(reinterpret_cast<T *>(_output->ptr_to_element(output_coord))) = *(reinterpret_cast<const T *>(in.ptr())); |
| }, |
| in); |
| } |
| |
| void CPPFlipWeightsKernel::configure(const ITensor *input, ITensor *output) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8, DataType::F16, DataType::F32); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_LAYOUT(input, output); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| |
| _input = input; |
| _output = output; |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*input->info(), Steps()); |
| |
| // The CPPFlipWeightsKernel doesn't need padding so update_window_and_padding() can be skipped |
| Coordinates coord; |
| coord.set_num_dimensions(output->info()->num_dimensions()); |
| output->info()->set_valid_region(ValidRegion(coord, output->info()->tensor_shape())); |
| |
| ICPPKernel::configure(win); |
| |
| switch(input->info()->data_type()) |
| { |
| case DataType::F32: |
| _func = &CPPFlipWeightsKernel::flip_weights<float>; |
| break; |
| case DataType::F16: |
| _func = &CPPFlipWeightsKernel::flip_weights<half>; |
| break; |
| case DataType::QASYMM8: |
| _func = &CPPFlipWeightsKernel::flip_weights<uint8_t>; |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Not supported"); |
| } |
| } |
| |
| void CPPFlipWeightsKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICPPKernel::window(), window); |
| ARM_COMPUTE_ERROR_ON(_func == nullptr); |
| |
| (this->*_func)(window); |
| } |