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/NEBox3x3Kernel.cpp | 220 +++++++++++++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100644 src/core/NEON/kernels/NEBox3x3Kernel.cpp (limited to 'src/core/NEON/kernels/NEBox3x3Kernel.cpp') diff --git a/src/core/NEON/kernels/NEBox3x3Kernel.cpp b/src/core/NEON/kernels/NEBox3x3Kernel.cpp new file mode 100644 index 0000000000..d7e6d73cd7 --- /dev/null +++ b/src/core/NEON/kernels/NEBox3x3Kernel.cpp @@ -0,0 +1,220 @@ +/* + * Copyright (c) 2016, 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/NEBox3x3Kernel.h" + +#include "arm_compute/core/Coordinates.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/IAccessWindow.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/NEON/INEKernel.h" +#include "arm_compute/core/Validate.h" +#include + +using namespace arm_compute; + +#ifdef ARM_COMPUTE_ENABLE_FP16 +void NEBox3x3FP16Kernel::run(const Window &window) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window); + + Iterator input(_input, window); + Iterator output(_output, window); + + unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-1, -1)); + unsigned char *const input_mid_ptr = _input->ptr_to_element(Coordinates(-1, 0)); + unsigned char *const input_bot_ptr = _input->ptr_to_element(Coordinates(-1, +1)); + + const float16x8_t oneovernine = vdupq_n_f16(1.0f / 9.0f); + + execute_window_loop(window, [&](const Coordinates & id) + { + const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); + const uint8x16_t mid_data = vld1q_u8(input_mid_ptr + input.offset()); + const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); + + const float16x8x2_t top_f16 = + { + { + vcvtq_f16_u16(vmovl_u8(vget_low_u8(top_data))), + vcvtq_f16_u16(vmovl_u8(vget_high_u8(top_data))) + } + }; + + const float16x8x2_t mid_f16 = + { + { + vcvtq_f16_u16(vmovl_u8(vget_low_u8(mid_data))), + vcvtq_f16_u16(vmovl_u8(vget_high_u8(mid_data))) + } + }; + + const float16x8x2_t bot_f16 = + { + { + vcvtq_f16_u16(vmovl_u8(vget_low_u8(bot_data))), + vcvtq_f16_u16(vmovl_u8(vget_high_u8(bot_data))) + } + }; + + //top left + float16x8_t out = top_f16.val[0]; + //top mid + out = vaddq_f16(out, vextq_f16(top_f16.val[0], top_f16.val[1], 1)); + //top right + out = vaddq_f16(out, vextq_f16(top_f16.val[0], top_f16.val[1], 2)); + //mid left + out = vaddq_f16(out, mid_f16.val[0]); + //mid mid + out = vaddq_f16(out, vextq_f16(mid_f16.val[0], mid_f16.val[1], 1)); + //mid right + out = vaddq_f16(out, vextq_f16(mid_f16.val[0], mid_f16.val[1], 2)); + //bot left + out = vaddq_f16(out, bot_f16.val[0]); + //bot mid + out = vaddq_f16(out, vextq_f16(bot_f16.val[0], bot_f16.val[1], 1)); + //bot right + out = vaddq_f16(out, vextq_f16(bot_f16.val[0], bot_f16.val[1], 2)); + + out = vmulq_f16(out, oneovernine); + + vst1_u8(output.ptr(), vqmovun_s16(vcvtq_s16_f16(out))); + }, + input, output); +} +#endif + +BorderSize NEBox3x3Kernel::border_size() const +{ + return BorderSize(1); +} + +void NEBox3x3Kernel::configure(const ITensor *input, ITensor *output, bool border_undefined) +{ + ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); + + set_shape_if_empty(*output->info(), input->info()->tensor_shape()); + + set_format_if_unknown(*input->info(), Format::U8); + set_format_if_unknown(*output->info(), Format::U8); + + ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); + + _input = input; + _output = output; + + constexpr unsigned int num_elems_processed_per_iteration = 8; + constexpr unsigned int num_elems_read_per_iteration = 16; + constexpr unsigned int num_elems_written_per_iteration = 8; + constexpr unsigned int num_rows_read_per_iteration = 3; + constexpr int rect_offset_xy = -1; + + // Configure kernel window + Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); + AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration); + + update_window_and_padding(win, AccessWindowRectangle(input->info(), rect_offset_xy, rect_offset_xy, num_elems_read_per_iteration, num_rows_read_per_iteration), output_access); + + output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); + + INEKernel::configure(win); +} + +void NEBox3x3Kernel::run(const Window &window) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window); + + Iterator input(_input, window); + Iterator output(_output, window); + + unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-1, -1)); + unsigned char *const input_mid_ptr = _input->ptr_to_element(Coordinates(-1, 0)); + unsigned char *const input_bot_ptr = _input->ptr_to_element(Coordinates(-1, +1)); + + const float32x4_t oneovernine = vdupq_n_f32(1.0f / 9.0f); + + execute_window_loop(window, [&](const Coordinates & id) + { + const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); + const uint8x16_t mid_data = vld1q_u8(input_mid_ptr + input.offset()); + const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); + + const int16x8x2_t top_s16 = + { + { + vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(top_data))), + vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(top_data))) + } + }; + const int16x8x2_t mid_s16 = + { + { + vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(mid_data))), + vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(mid_data))) + } + }; + const int16x8x2_t bot_s16 = + { + { + vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bot_data))), + vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bot_data))) + } + }; + + //top left + int16x8_t out = top_s16.val[0]; + //top mid + out = vaddq_s16(out, vextq_s16(top_s16.val[0], top_s16.val[1], 1)); + //top right + out = vaddq_s16(out, vextq_s16(top_s16.val[0], top_s16.val[1], 2)); + //mid left + out = vaddq_s16(out, mid_s16.val[0]); + //mid mid + out = vaddq_s16(out, vextq_s16(mid_s16.val[0], mid_s16.val[1], 1)); + //mid right + out = vaddq_s16(out, vextq_s16(mid_s16.val[0], mid_s16.val[1], 2)); + //bot left + out = vaddq_s16(out, bot_s16.val[0]); + //bot mid + out = vaddq_s16(out, vextq_s16(bot_s16.val[0], bot_s16.val[1], 1)); + //bot right + out = vaddq_s16(out, vextq_s16(bot_s16.val[0], bot_s16.val[1], 2)); + + float32x4_t outfloathigh = vcvtq_f32_s32(vmovl_s16(vget_high_s16(out))); + float32x4_t outfloatlow = vcvtq_f32_s32(vmovl_s16(vget_low_s16(out))); + + outfloathigh = vmulq_f32(outfloathigh, oneovernine); + outfloatlow = vmulq_f32(outfloatlow, oneovernine); + + out = vcombine_s16(vqmovn_s32(vcvtq_s32_f32(outfloatlow)), + vqmovn_s32(vcvtq_s32_f32(outfloathigh))); + + vst1_u8(output.ptr(), vqmovun_s16(out)); + }, + input, output); +} -- cgit v1.2.1