From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- src/core/NEON/kernels/NETransposeKernel.cpp | 241 ++++++++++++++++++++++++++++ 1 file changed, 241 insertions(+) create mode 100644 src/core/NEON/kernels/NETransposeKernel.cpp (limited to 'src/core/NEON/kernels/NETransposeKernel.cpp') diff --git a/src/core/NEON/kernels/NETransposeKernel.cpp b/src/core/NEON/kernels/NETransposeKernel.cpp new file mode 100644 index 0000000000..492de8a6ee --- /dev/null +++ b/src/core/NEON/kernels/NETransposeKernel.cpp @@ -0,0 +1,241 @@ +/* + * 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/NETransposeKernel.h" + +#include "arm_compute/core/AccessWindowTranspose.h" +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/Validate.h" + +#include + +using namespace arm_compute; + +namespace arm_compute +{ +class Coordinates; +} // namespace arm_compute + +namespace +{ +void transpose_8bit_elements(const ITensor *in, ITensor *out, const Window &window) +{ + Window window_out(window); + window_out.set(Window::DimX, Window::Dimension(0, 0, 0)); + window_out.set(Window::DimY, Window::Dimension(0, 0, 0)); + + Iterator input(in, window); + Iterator output(out, window_out); + + const size_t input_stride_in_bytes = in->info()->strides_in_bytes()[1]; + const size_t output_stride_in_bytes = out->info()->strides_in_bytes()[1]; + + execute_window_loop(window, [&](const Coordinates & id) + { + const uint8x8_t row0 = vld1_u8(reinterpret_cast(input.ptr() + 0 * input_stride_in_bytes)); + const uint8x8_t row1 = vld1_u8(reinterpret_cast(input.ptr() + 1 * input_stride_in_bytes)); + const uint8x8_t row2 = vld1_u8(reinterpret_cast(input.ptr() + 2 * input_stride_in_bytes)); + const uint8x8_t row3 = vld1_u8(reinterpret_cast(input.ptr() + 3 * input_stride_in_bytes)); + const uint8x8_t row4 = vld1_u8(reinterpret_cast(input.ptr() + 4 * input_stride_in_bytes)); + const uint8x8_t row5 = vld1_u8(reinterpret_cast(input.ptr() + 5 * input_stride_in_bytes)); + const uint8x8_t row6 = vld1_u8(reinterpret_cast(input.ptr() + 6 * input_stride_in_bytes)); + const uint8x8_t row7 = vld1_u8(reinterpret_cast(input.ptr() + 7 * input_stride_in_bytes)); + + // Transpose 2x2 + const uint8x8x2_t k0_u8 = vtrn_u8(row0, row1); + const uint8x8x2_t k1_u8 = vtrn_u8(row2, row3); + const uint8x8x2_t k2_u8 = vtrn_u8(row4, row5); + const uint8x8x2_t k3_u8 = vtrn_u8(row6, row7); + + // Transpose 4x4 + const uint16x4x2_t k0_u16 = vtrn_u16(vreinterpret_u16_u8(k0_u8.val[0]), vreinterpret_u16_u8(k1_u8.val[0])); + const uint16x4x2_t k1_u16 = vtrn_u16(vreinterpret_u16_u8(k0_u8.val[1]), vreinterpret_u16_u8(k1_u8.val[1])); + const uint16x4x2_t k2_u16 = vtrn_u16(vreinterpret_u16_u8(k2_u8.val[0]), vreinterpret_u16_u8(k3_u8.val[0])); + const uint16x4x2_t k3_u16 = vtrn_u16(vreinterpret_u16_u8(k2_u8.val[1]), vreinterpret_u16_u8(k3_u8.val[1])); + + // Transpose 8x8 + const uint32x2x2_t k0_u32 = vtrn_u32(vreinterpret_u32_u16(k0_u16.val[0]), vreinterpret_u32_u16(k2_u16.val[0])); + const uint32x2x2_t k1_u32 = vtrn_u32(vreinterpret_u32_u16(k0_u16.val[1]), vreinterpret_u32_u16(k2_u16.val[1])); + const uint32x2x2_t k2_u32 = vtrn_u32(vreinterpret_u32_u16(k1_u16.val[0]), vreinterpret_u32_u16(k3_u16.val[0])); + const uint32x2x2_t k3_u32 = vtrn_u32(vreinterpret_u32_u16(k1_u16.val[1]), vreinterpret_u32_u16(k3_u16.val[1])); + + // Compute destination address + const size_t dst_offset_in_bytes = id.y() * sizeof(uint8_t) + id.x() * output_stride_in_bytes; + + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 0 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k0_u32.val[0]))); + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 1 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k2_u32.val[0]))); + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 2 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k1_u32.val[0]))); + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 3 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k3_u32.val[0]))); + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 4 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k0_u32.val[1]))); + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 5 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k2_u32.val[1]))); + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 6 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k1_u32.val[1]))); + vst1_u8(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 7 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k3_u32.val[1]))); + }, + input, output); +} + +void transpose_16bit_elements(const ITensor *in, ITensor *out, const Window &window) +{ + Window window_out(window); + window_out.set(Window::DimX, Window::Dimension(0, 0, 0)); + window_out.set(Window::DimY, Window::Dimension(0, 0, 0)); + + Iterator input(in, window); + Iterator output(out, window_out); + + const size_t input_stride_in_bytes = in->info()->strides_in_bytes()[1]; + const size_t output_stride_in_bytes = out->info()->strides_in_bytes()[1]; + + execute_window_loop(window, [&](const Coordinates & id) + { + const uint16x4_t row0 = vld1_u16(reinterpret_cast(input.ptr() + 0 * input_stride_in_bytes)); + const uint16x4_t row1 = vld1_u16(reinterpret_cast(input.ptr() + 1 * input_stride_in_bytes)); + const uint16x4_t row2 = vld1_u16(reinterpret_cast(input.ptr() + 2 * input_stride_in_bytes)); + const uint16x4_t row3 = vld1_u16(reinterpret_cast(input.ptr() + 3 * input_stride_in_bytes)); + + // Transpose 2x2 + const uint16x4x2_t k0_u16 = vtrn_u16(row0, row1); + const uint16x4x2_t k1_u16 = vtrn_u16(row2, row3); + + // Transpose 4x4 + const uint32x2x2_t k0_u32 = vtrn_u32(vreinterpret_u32_u16(k0_u16.val[0]), vreinterpret_u32_u16(k1_u16.val[0])); + const uint32x2x2_t k1_u32 = vtrn_u32(vreinterpret_u32_u16(k0_u16.val[1]), vreinterpret_u32_u16(k1_u16.val[1])); + + // Compute destination address + const size_t dst_offset_in_bytes = id.y() * sizeof(uint16_t) + id.x() * output_stride_in_bytes; + + vst1_u16(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 0 * output_stride_in_bytes), vreinterpret_u16_u32(k0_u32.val[0])); + vst1_u16(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 1 * output_stride_in_bytes), vreinterpret_u16_u32(k1_u32.val[0])); + vst1_u16(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 2 * output_stride_in_bytes), vreinterpret_u16_u32(k0_u32.val[1])); + vst1_u16(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 3 * output_stride_in_bytes), vreinterpret_u16_u32(k1_u32.val[1])); + }, + input, output); +} + +void transpose_32bit_elements(const ITensor *in, ITensor *out, const Window &window) +{ + Window window_out(window); + window_out.set(Window::DimX, Window::Dimension(0, 0, 0)); + window_out.set(Window::DimY, Window::Dimension(0, 0, 0)); + + Iterator input(in, window); + Iterator output(out, window_out); + + const size_t input_stride_in_bytes = in->info()->strides_in_bytes()[1]; + const size_t output_stride_in_bytes = out->info()->strides_in_bytes()[1]; + + execute_window_loop(window, [&](const Coordinates & id) + { + const uint32x4_t row0 = vld1q_u32(reinterpret_cast(input.ptr() + 0 * input_stride_in_bytes)); + const uint32x4_t row1 = vld1q_u32(reinterpret_cast(input.ptr() + 1 * input_stride_in_bytes)); + const uint32x4_t row2 = vld1q_u32(reinterpret_cast(input.ptr() + 2 * input_stride_in_bytes)); + const uint32x4_t row3 = vld1q_u32(reinterpret_cast(input.ptr() + 3 * input_stride_in_bytes)); + + // Transpose 2x2 + const uint32x2x2_t k0_u32 = vtrn_u32(vget_low_u32(row0), vget_low_u32(row1)); + const uint32x2x2_t k1_u32 = vtrn_u32(vget_high_u32(row2), vget_high_u32(row3)); + const uint32x2x2_t k2_u32 = vtrn_u32(vget_high_u32(row0), vget_high_u32(row1)); + const uint32x2x2_t k3_u32 = vtrn_u32(vget_low_u32(row2), vget_low_u32(row3)); + + // Compute destination address + const size_t dst_offset_in_bytes = id.y() * sizeof(uint32_t) + id.x() * output_stride_in_bytes; + + // Swap block 01 with block 10 and store + vst1q_u32(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 0 * output_stride_in_bytes), vcombine_u32(k0_u32.val[0], k3_u32.val[0])); + vst1q_u32(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 1 * output_stride_in_bytes), vcombine_u32(k0_u32.val[1], k3_u32.val[1])); + vst1q_u32(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 2 * output_stride_in_bytes), vcombine_u32(k2_u32.val[0], k1_u32.val[0])); + vst1q_u32(reinterpret_cast(output.ptr() + dst_offset_in_bytes + 3 * output_stride_in_bytes), vcombine_u32(k2_u32.val[1], k1_u32.val[1])); + }, + input, output); +} +} // namespace + +NETransposeKernel::NETransposeKernel() + : _func(nullptr), _input(nullptr), _output(nullptr) +{ +} + +void NETransposeKernel::configure(const ITensor *input, ITensor *output) +{ + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8, DataType::S8, DataType::QS8, DataType::U16, DataType::S16, DataType::U32, DataType::S32, DataType::F16, DataType::F32); + ARM_COMPUTE_ERROR_ON(output == nullptr); + + TensorShape output_shape{ input->info()->tensor_shape() }; + const size_t w_out = input->info()->dimension(1); + const size_t h_out = input->info()->dimension(0); + output_shape.set(0, w_out); + output_shape.set(1, h_out); + + // Output tensor 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_DATA_TYPES(input, output); + ARM_COMPUTE_ERROR_ON_MISMATCHING_DIMENSIONS(output->info()->tensor_shape(), output_shape); + + _input = input; + _output = output; + + unsigned int num_elems_processed_per_iteration = 0; + + switch(input->info()->element_size()) + { + case 1: + _func = &transpose_8bit_elements; + num_elems_processed_per_iteration = 8; + break; + case 2: + _func = &transpose_16bit_elements; + num_elems_processed_per_iteration = 4; + break; + case 4: + _func = &transpose_32bit_elements; + num_elems_processed_per_iteration = 4; + break; + default: + ARM_COMPUTE_ERROR("Element size not supported"); + break; + } + + // Configure kernel window + Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration, num_elems_processed_per_iteration)); + AccessWindowTranspose output_access(output->info(), 0, 0, num_elems_processed_per_iteration, num_elems_processed_per_iteration); + + update_window_and_padding(win, + AccessWindowRectangle(input->info(), 0, 0, num_elems_processed_per_iteration, num_elems_processed_per_iteration), + output_access); + + output_access.set_valid_region(win, input->info()->valid_region()); + + INEKernel::configure(win); +} + +void NETransposeKernel::run(const Window &window) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); + ARM_COMPUTE_ERROR_ON(_func == nullptr); + + (*_func)(_input, _output, window); +} -- cgit v1.2.1