| /* |
| * Copyright (c) 2017 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/NEGEMMInterleaveBlockedKernel.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/core/Window.h" |
| |
| #include <arm_neon.h> |
| #include <cstddef> |
| #include <cstdint> |
| #include <tuple> |
| |
| using namespace arm_compute; |
| |
| namespace |
| { |
| inline void gemm_interleave_8bit_elements(const ITensor *input, ITensor *output, const Window &window, unsigned int block_width, unsigned int block_height, bool transpose) |
| { |
| const size_t in_stride = input->info()->strides_in_bytes()[1]; |
| const float scale_y_factor = 1.f / float(block_height); |
| |
| // Set window for output tensor |
| Window win_out(window); |
| win_out.scale(Window::DimY, scale_y_factor); |
| Iterator in(input, window); |
| |
| win_out.set_dimension_step(Window::DimX, block_width * block_height); |
| Iterator out(output, win_out); |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| int j = 0; |
| for(unsigned int z = 0; z < block_height; ++z) |
| { |
| for(unsigned int b = 0; b < block_width; ++b) |
| { |
| if(!transpose) |
| { |
| const bool inbounds = (id.x() + b) < input->info()->dimension(0) && (id.y() + z) < input->info()->dimension(1); |
| *(out.ptr() + j++) = (inbounds) ? *(in.ptr() + z * in_stride + b) : 0; |
| } |
| else |
| { |
| const bool inbounds = (id.x() + b) < input->info()->dimension(1) && (id.y() + z) < input->info()->dimension(0); |
| const uint8_t value = (inbounds) ? *(input->buffer() + (id.x() + b) * in_stride + (id.y() + z)) : 0; |
| *(out.ptr() + j++) = value; |
| } |
| } |
| } |
| }, |
| in, out); |
| } |
| |
| } // namespace |
| |
| NEGEMMInterleaveBlockedKernel::NEGEMMInterleaveBlockedKernel() |
| : _block_height(0), _block_width(0), _transpose(false) |
| { |
| } |
| |
| void NEGEMMInterleaveBlockedKernel::configure(const ITensor *input, ITensor *output, unsigned int block_height, unsigned int block_width, bool transpose) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| ARM_COMPUTE_ERROR_ON_NULLPTR(output); |
| ARM_COMPUTE_ERROR_ON_MSG(block_height < 1, "Block height must be greater than 0"); |
| ARM_COMPUTE_ERROR_ON_MSG(block_width < 1, "Block window must be greater than 0"); |
| |
| TensorShape output_shape = input->info()->tensor_shape(); |
| const float interleave_by_f32 = block_height; |
| output_shape.set(0, input->info()->dimension(0) * interleave_by_f32); |
| output_shape.set(1, std::ceil(static_cast<float>(input->info()->dimension(1)) / interleave_by_f32)); |
| // Output auto inizialitation if not yet initialized |
| auto_init_if_empty(*output->info(), output_shape, 1, input->info()->data_type(), input->info()->fixed_point_position()); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(output->info()->tensor_shape(), output_shape); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| ARM_COMPUTE_ERROR_ON_MISMATCHING_FIXED_POINT(input, output); |
| |
| _input = input; |
| _output = output; |
| _block_height = block_height; |
| _block_width = block_width; |
| _transpose = transpose; |
| |
| const unsigned int num_elems_processed_per_iteration_x = block_width; |
| const unsigned int num_elems_processed_per_iteration_y = block_height; |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y)); |
| const float scaley_factor = 1.f / interleave_by_f32; |
| |
| AccessWindowRectangle output_access(output->info(), 0, 0, num_elems_processed_per_iteration_x * num_elems_processed_per_iteration_y, 1, num_elems_processed_per_iteration_y, scaley_factor); |
| AccessWindowRectangle input_access(input->info(), 0, 0, num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y); |
| update_window_and_padding(win, output_access, input_access); |
| |
| output_access.set_valid_region(win, input->info()->valid_region()); |
| |
| INEKernel::configure(win); |
| } |
| |
| void NEGEMMInterleaveBlockedKernel::run(const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| gemm_interleave_8bit_elements(_input, _output, window, _block_width, _block_height, _transpose); |
| } |