| /* |
| * Copyright (c) 2021 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 "src/core/cpu/kernels/CpuTransposeKernel.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 "src/core/helpers/AutoConfiguration.h" |
| #include "src/core/helpers/WindowHelpers.h" |
| |
| #include <arm_neon.h> |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| namespace kernels |
| { |
| namespace |
| { |
| unsigned int num_elems_processed(size_t element_size) |
| { |
| switch(element_size) |
| { |
| case 1: |
| return 8; |
| case 2: |
| case 4: |
| return 4; |
| default: |
| break; |
| } |
| |
| ARM_COMPUTE_ERROR("Element size not supported"); |
| } |
| |
| void transpose_8bit_elements(const ITensor *in, ITensor *out, const Window &window) |
| { |
| const int window_step_x = 8; |
| const int window_step_y = 8; |
| const int window_start_x = window.x().start(); |
| const int window_end_x = window.x().end(); |
| const int window_start_y = window.y().start(); |
| const int window_end_y = std::min(window.y().end(), static_cast<int>(in->info()->dimension(1))); |
| const int window_end_y_multiple_of = ((window_end_y - window_start_y) / window_step_y) * window_step_y; |
| 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]; |
| |
| // Check if we need a left-over loop for the y dimension |
| bool left_over_loop_y = (((window_end_y - window_start_y) % window_step_y) != 0); |
| |
| Window window_in(window); |
| window_in.set(Window::DimX, Window::Dimension(0, 1, 1)); |
| if(left_over_loop_y) |
| { |
| // Check if window_end_y_multiple_of is greater than window_start_y |
| if(window_end_y_multiple_of > window_start_y) |
| { |
| window_in.set(Window::DimY, Window::Dimension(window_start_y, window_end_y_multiple_of, window_step_y)); |
| } |
| else |
| { |
| window_in.set(Window::DimY, Window::Dimension(0, 0, 1)); |
| } |
| } |
| |
| 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 output(out, window_out); |
| |
| // Run the SIMD path if and only if the input is not a row-vector |
| if(in->info()->dimension(1) != 1) |
| { |
| Iterator input(in, window_in); |
| execute_window_loop(window_in, [&](const Coordinates & id) |
| { |
| // Compute 8x8 elements per iteration |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint8x8_t row0 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 0 * input_stride_in_bytes)); |
| const uint8x8_t row1 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 1 * input_stride_in_bytes)); |
| const uint8x8_t row2 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 2 * input_stride_in_bytes)); |
| const uint8x8_t row3 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 3 * input_stride_in_bytes)); |
| const uint8x8_t row4 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 4 * input_stride_in_bytes)); |
| const uint8x8_t row5 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 5 * input_stride_in_bytes)); |
| const uint8x8_t row6 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 6 * input_stride_in_bytes)); |
| const uint8x8_t row7 = vld1_u8(reinterpret_cast<const uint8_t *>(input.ptr() + x + 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) + x * output_stride_in_bytes; |
| |
| vst1_u8(reinterpret_cast<uint8_t *>(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<uint8_t *>(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<uint8_t *>(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<uint8_t *>(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<uint8_t *>(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<uint8_t *>(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<uint8_t *>(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<uint8_t *>(output.ptr() + dst_offset_in_bytes + 7 * output_stride_in_bytes), vreinterpret_u8_u16(vreinterpret_u16_u32(k3_u32.val[1]))); |
| } |
| |
| // Compute left-over elements along the x dimension (1x8) |
| for(; x < window_end_x; ++x) |
| { |
| const uint8_t val0 = *(input.ptr() + x + 0 * input_stride_in_bytes); |
| const uint8_t val1 = *(input.ptr() + x + 1 * input_stride_in_bytes); |
| const uint8_t val2 = *(input.ptr() + x + 2 * input_stride_in_bytes); |
| const uint8_t val3 = *(input.ptr() + x + 3 * input_stride_in_bytes); |
| const uint8_t val4 = *(input.ptr() + x + 4 * input_stride_in_bytes); |
| const uint8_t val5 = *(input.ptr() + x + 5 * input_stride_in_bytes); |
| const uint8_t val6 = *(input.ptr() + x + 6 * input_stride_in_bytes); |
| const uint8_t val7 = *(input.ptr() + x + 7 * input_stride_in_bytes); |
| |
| uint8x8_t result = vdup_n_u8(0); |
| result = vset_lane_u8(val0, result, 0); |
| result = vset_lane_u8(val1, result, 1); |
| result = vset_lane_u8(val2, result, 2); |
| result = vset_lane_u8(val3, result, 3); |
| result = vset_lane_u8(val4, result, 4); |
| result = vset_lane_u8(val5, result, 5); |
| result = vset_lane_u8(val6, result, 6); |
| result = vset_lane_u8(val7, result, 7); |
| |
| // Compute destination address |
| const size_t dst_offset_in_bytes = id.y() * sizeof(uint8_t) + x * output_stride_in_bytes; |
| |
| vst1_u8(output.ptr() + dst_offset_in_bytes, result); |
| } |
| }, |
| input, output); |
| } |
| |
| if(left_over_loop_y) |
| { |
| window_in.set(Window::DimX, Window::Dimension(window.x().start(), window.x().end(), 1)); |
| window_in.set(Window::DimY, Window::Dimension(window_end_y_multiple_of, window_end_y, 1)); |
| |
| Iterator input(in, window_in); |
| Iterator output(out, window_out); |
| |
| // Compute left-over elements along the y dimension (1x1) |
| execute_window_loop(window_in, [&](const Coordinates & id) |
| { |
| const uint8_t val0 = *input.ptr(); |
| |
| // Compute destination address |
| const size_t dst_offset_in_bytes = id.y() * sizeof(uint8_t) + id.x() * output_stride_in_bytes; |
| |
| *(output.ptr() + dst_offset_in_bytes) = val0; |
| }, |
| input, output); |
| } |
| } |
| |
| void transpose_16bit_elements(const ITensor *in, ITensor *out, const Window &window) |
| { |
| const int window_step_x = 4; |
| const int window_step_y = 4; |
| const int window_start_x = window.x().start(); |
| const int window_end_x = window.x().end(); |
| const int window_start_y = window.y().start(); |
| const int window_end_y = std::min(window.y().end(), static_cast<int>(in->info()->dimension(1))); |
| const int window_end_y_multiple_of = ((window_end_y - window_start_y) / window_step_y) * window_step_y; |
| 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]; |
| |
| // Check if we need a left-over loop for the y dimension |
| bool left_over_loop_y = (((window_end_y - window_start_y) % window_step_y) != 0); |
| |
| Window window_in(window); |
| window_in.set(Window::DimX, Window::Dimension(0, 1, 1)); |
| if(left_over_loop_y) |
| { |
| // Check if window_end_y_multiple_of is greater than window_start_y |
| if(window_end_y_multiple_of > window_start_y) |
| { |
| window_in.set(Window::DimY, Window::Dimension(window_start_y, window_end_y_multiple_of, window_step_y)); |
| } |
| else |
| { |
| window_in.set(Window::DimY, Window::Dimension(0, 0, 1)); |
| } |
| } |
| |
| 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 output(out, window_out); |
| |
| // Run the SIMD path if and only if the input is not a row-vector |
| if(in->info()->dimension(1) != 1) |
| { |
| Iterator input(in, window_in); |
| execute_window_loop(window_in, [&](const Coordinates & id) |
| { |
| // Compute 4x4 elements per iteration |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint16x4_t row0 = vld1_u16(reinterpret_cast<const uint16_t *>(input.ptr() + 0 * input_stride_in_bytes) + x); |
| const uint16x4_t row1 = vld1_u16(reinterpret_cast<const uint16_t *>(input.ptr() + 1 * input_stride_in_bytes) + x); |
| const uint16x4_t row2 = vld1_u16(reinterpret_cast<const uint16_t *>(input.ptr() + 2 * input_stride_in_bytes) + x); |
| const uint16x4_t row3 = vld1_u16(reinterpret_cast<const uint16_t *>(input.ptr() + 3 * input_stride_in_bytes) + x); |
| |
| // 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) + x * output_stride_in_bytes; |
| |
| vst1_u16(reinterpret_cast<uint16_t *>(output.ptr() + dst_offset_in_bytes + 0 * output_stride_in_bytes), vreinterpret_u16_u32(k0_u32.val[0])); |
| vst1_u16(reinterpret_cast<uint16_t *>(output.ptr() + dst_offset_in_bytes + 1 * output_stride_in_bytes), vreinterpret_u16_u32(k1_u32.val[0])); |
| vst1_u16(reinterpret_cast<uint16_t *>(output.ptr() + dst_offset_in_bytes + 2 * output_stride_in_bytes), vreinterpret_u16_u32(k0_u32.val[1])); |
| vst1_u16(reinterpret_cast<uint16_t *>(output.ptr() + dst_offset_in_bytes + 3 * output_stride_in_bytes), vreinterpret_u16_u32(k1_u32.val[1])); |
| } |
| |
| // Compute left-over elements (1x4) |
| for(; x < window_end_x; ++x) |
| { |
| const uint16_t val0 = *(reinterpret_cast<uint16_t *>(input.ptr() + 0 * input_stride_in_bytes) + x); |
| const uint16_t val1 = *(reinterpret_cast<uint16_t *>(input.ptr() + 1 * input_stride_in_bytes) + x); |
| const uint16_t val2 = *(reinterpret_cast<uint16_t *>(input.ptr() + 2 * input_stride_in_bytes) + x); |
| const uint16_t val3 = *(reinterpret_cast<uint16_t *>(input.ptr() + 3 * input_stride_in_bytes) + x); |
| |
| uint16x4_t result = vdup_n_u16(0); |
| result = vset_lane_u16(val0, result, 0); |
| result = vset_lane_u16(val1, result, 1); |
| result = vset_lane_u16(val2, result, 2); |
| result = vset_lane_u16(val3, result, 3); |
| |
| // Compute destination address |
| const size_t dst_offset_in_bytes = id.y() * sizeof(uint16_t) + x * output_stride_in_bytes; |
| |
| vst1_u16(reinterpret_cast<uint16_t *>(output.ptr() + dst_offset_in_bytes), result); |
| } |
| }, |
| input, output); |
| } |
| |
| if(left_over_loop_y) |
| { |
| window_in.set(Window::DimX, Window::Dimension(window.x().start(), window.x().end(), 1)); |
| window_in.set(Window::DimY, Window::Dimension(window_end_y_multiple_of, window_end_y, 1)); |
| |
| Iterator input(in, window_in); |
| Iterator output(out, window_out); |
| |
| // Compute left-over elements along the y dimension (1x1) |
| execute_window_loop(window_in, [&](const Coordinates & id) |
| { |
| const uint16_t val0 = *(reinterpret_cast<uint16_t *>(input.ptr())); |
| |
| // Compute destination address |
| const size_t dst_offset_in_bytes = id.y() * sizeof(uint16_t) + id.x() * output_stride_in_bytes; |
| |
| *(reinterpret_cast<uint16_t *>(output.ptr() + dst_offset_in_bytes)) = val0; |
| }, |
| input, output); |
| } |
| } |
| |
| void transpose_32bit_elements(const ITensor *in, ITensor *out, const Window &window) |
| { |
| const int window_step_x = 4; |
| const int window_step_y = 4; |
| const int window_start_x = window.x().start(); |
| const int window_end_x = window.x().end(); |
| const int window_start_y = window.y().start(); |
| const int window_end_y = std::min(window.y().end(), static_cast<int>(in->info()->dimension(1))); |
| const int window_end_y_multiple_of = ((window_end_y - window_start_y) / window_step_y) * window_step_y; |
| 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]; |
| |
| // Check if we need a left-over loop for the y dimension |
| bool left_over_loop_y = (((window_end_y - window_start_y) % window_step_y) != 0); |
| |
| Window window_in(window); |
| window_in.set(Window::DimX, Window::Dimension(0, 1, 1)); |
| if(left_over_loop_y) |
| { |
| // Check if window_end_y_multiple_of is greater than window_start_y |
| if(window_end_y_multiple_of > window_start_y) |
| { |
| window_in.set(Window::DimY, Window::Dimension(window_start_y, window_end_y_multiple_of, window_step_y)); |
| } |
| else |
| { |
| window_in.set(Window::DimY, Window::Dimension(0, 0, 1)); |
| } |
| } |
| |
| 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 output(out, window_out); |
| |
| // Run the SIMD path if and only if the input is not a row-vector |
| if(in->info()->dimension(1) != 1) |
| { |
| Iterator input(in, window_in); |
| execute_window_loop(window_in, [&](const Coordinates & id) |
| { |
| // Compute 4x4 elements per iteration |
| int x = window_start_x; |
| for(; x <= (window_end_x - window_step_x); x += window_step_x) |
| { |
| const uint32x4_t row0 = vld1q_u32(reinterpret_cast<const uint32_t *>(input.ptr() + 0 * input_stride_in_bytes) + x); |
| const uint32x4_t row1 = vld1q_u32(reinterpret_cast<const uint32_t *>(input.ptr() + 1 * input_stride_in_bytes) + x); |
| const uint32x4_t row2 = vld1q_u32(reinterpret_cast<const uint32_t *>(input.ptr() + 2 * input_stride_in_bytes) + x); |
| const uint32x4_t row3 = vld1q_u32(reinterpret_cast<const uint32_t *>(input.ptr() + 3 * input_stride_in_bytes) + x); |
| |
| // 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) + x * output_stride_in_bytes; |
| |
| // Swap block 01 with block 10 and store |
| vst1q_u32(reinterpret_cast<uint32_t *>(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<uint32_t *>(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<uint32_t *>(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<uint32_t *>(output.ptr() + dst_offset_in_bytes + 3 * output_stride_in_bytes), vcombine_u32(k2_u32.val[1], k1_u32.val[1])); |
| } |
| |
| // Compute left-over elements (1x4) |
| for(; x < window_end_x; ++x) |
| { |
| const uint32_t val0 = *(reinterpret_cast<uint32_t *>(input.ptr() + 0 * input_stride_in_bytes) + x); |
| const uint32_t val1 = *(reinterpret_cast<uint32_t *>(input.ptr() + 1 * input_stride_in_bytes) + x); |
| const uint32_t val2 = *(reinterpret_cast<uint32_t *>(input.ptr() + 2 * input_stride_in_bytes) + x); |
| const uint32_t val3 = *(reinterpret_cast<uint32_t *>(input.ptr() + 3 * input_stride_in_bytes) + x); |
| |
| uint32x4_t result = vdupq_n_u32(0); |
| result = vsetq_lane_u32(val0, result, 0); |
| result = vsetq_lane_u32(val1, result, 1); |
| result = vsetq_lane_u32(val2, result, 2); |
| result = vsetq_lane_u32(val3, result, 3); |
| |
| // Compute destination address |
| const size_t dst_offset_in_bytes = id.y() * sizeof(uint32_t) + x * output_stride_in_bytes; |
| |
| vst1q_u32(reinterpret_cast<uint32_t *>(output.ptr() + dst_offset_in_bytes), result); |
| } |
| }, |
| input, output); |
| } |
| |
| if(left_over_loop_y) |
| { |
| window_in.set(Window::DimX, Window::Dimension(window.x().start(), window.x().end(), 1)); |
| window_in.set(Window::DimY, Window::Dimension(window_end_y_multiple_of, window_end_y, 1)); |
| |
| Iterator input(in, window_in); |
| Iterator output(out, window_out); |
| |
| // Compute left-over elements along the y dimension (1x1) |
| execute_window_loop(window_in, [&](const Coordinates & id) |
| { |
| const uint32_t val0 = *(reinterpret_cast<uint32_t *>(input.ptr())); |
| |
| // Compute destination address |
| const size_t dst_offset_in_bytes = id.y() * sizeof(uint32_t) + id.x() * output_stride_in_bytes; |
| |
| *(reinterpret_cast<uint32_t *>(output.ptr() + dst_offset_in_bytes)) = val0; |
| }, |
| input, output); |
| } |
| } |
| } // namespace |
| |
| void CpuTransposeKernel::configure(const ITensorInfo *src, ITensorInfo *dst) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); |
| |
| // Destination auto inizialitation if not yet initialized |
| const TensorShape dst_shape = misc::shape_calculator::compute_transposed_shape(*src); |
| auto_init_if_empty(*dst, src->clone()->set_tensor_shape(dst_shape)); |
| |
| // Perform validation step |
| ARM_COMPUTE_ERROR_THROW_ON(validate(src, dst)); |
| |
| // Note: This kernel performs 16 elements per iteration. |
| // However, since we use a left-over for loop on both dimensions (X and Y), we cannot have any read or write out of memory |
| // For this reason num_elems_processed_per_iteration_x is set to 1 |
| const unsigned int num_elems_processed_per_iteration_x = 1; |
| const unsigned int num_elems_processed_per_iteration_y = num_elems_processed(src->element_size()); |
| |
| // Configure kernel window |
| Window win = calculate_max_window(*src, Steps(num_elems_processed_per_iteration_x, num_elems_processed_per_iteration_y)); |
| |
| // The CpuTranspose doesn't need padding so update_window_and_padding() can be skipped |
| Coordinates coord; |
| coord.set_num_dimensions(dst->num_dimensions()); |
| dst->set_valid_region(ValidRegion(coord, dst->tensor_shape())); |
| |
| ICpuKernel::configure(win); |
| } |
| |
| Status CpuTransposeKernel::validate(const ITensorInfo *src, const ITensorInfo *dst) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src); |
| //Note: ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input) is not needed here as this kernel doesn't use CPU FP16 instructions. |
| ARM_COMPUTE_RETURN_ERROR_ON(src->data_type() == DataType::UNKNOWN); |
| |
| // Error if input is not 8 bit, 16bit or 32bit |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(src->element_size() != 1 && src->element_size() != 2 && src->element_size() != 4, |
| "Element size not supported"); |
| |
| // Validate configured destination |
| if(dst->total_size() != 0) |
| { |
| const TensorShape dst_shape = misc::shape_calculator::compute_transposed_shape(*src); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(dst->tensor_shape(), dst_shape); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(src, dst); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst); |
| } |
| |
| return Status{}; |
| } |
| |
| void CpuTransposeKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) |
| { |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICpuKernel::window(), window); |
| |
| const auto src = tensors.get_const_tensor(TensorType::ACL_SRC); |
| auto dst = tensors.get_tensor(TensorType::ACL_DST); |
| |
| switch(src->info()->element_size()) |
| { |
| case 1: |
| transpose_8bit_elements(src, dst, window); |
| break; |
| case 2: |
| transpose_16bit_elements(src, dst, window); |
| break; |
| case 4: |
| transpose_32bit_elements(src, dst, window); |
| break; |
| default: |
| ARM_COMPUTE_ERROR("Element size not supported"); |
| break; |
| } |
| } |
| |
| const char *CpuTransposeKernel::name() const |
| { |
| return "CpuTransposeKernel"; |
| } |
| } // namespace kernels |
| } // namespace cpu |
| } // namespace arm_compute |