Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Michalis Spyrou | a4f378d | 2019-04-26 14:54:54 +0100 | [diff] [blame] | 2 | * Copyright (c) 2016-2019 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/core/NEON/kernels/NEBox3x3Kernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/Coordinates.h" |
| 27 | #include "arm_compute/core/Helpers.h" |
| 28 | #include "arm_compute/core/IAccessWindow.h" |
| 29 | #include "arm_compute/core/ITensor.h" |
| 30 | #include "arm_compute/core/NEON/INEKernel.h" |
| 31 | #include "arm_compute/core/Validate.h" |
| 32 | #include <arm_neon.h> |
| 33 | |
| 34 | using namespace arm_compute; |
| 35 | |
Alan Kelly | 0eb16cf | 2019-04-28 15:53:14 +0200 | [diff] [blame^] | 36 | int16x8_t calculate_kernel( const uint8x16_t &top_data, const uint8x16_t &mid_data, const uint8x16_t &bot_data){ |
| 37 | const int16x8x2_t top_s16 = |
| 38 | { |
| 39 | { |
| 40 | vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(top_data))), |
| 41 | vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(top_data))) |
| 42 | } |
| 43 | }; |
| 44 | const int16x8x2_t mid_s16 = |
| 45 | { |
| 46 | { |
| 47 | vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(mid_data))), |
| 48 | vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(mid_data))) |
| 49 | } |
| 50 | }; |
| 51 | const int16x8x2_t bot_s16 = |
| 52 | { |
| 53 | { |
| 54 | vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(bot_data))), |
| 55 | vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(bot_data))) |
| 56 | } |
| 57 | }; |
| 58 | |
| 59 | //top left |
| 60 | int16x8_t out = top_s16.val[0]; |
| 61 | //top mid |
| 62 | out = vaddq_s16(out, vextq_s16(top_s16.val[0], top_s16.val[1], 1)); |
| 63 | //top right |
| 64 | out = vaddq_s16(out, vextq_s16(top_s16.val[0], top_s16.val[1], 2)); |
| 65 | //mid left |
| 66 | out = vaddq_s16(out, mid_s16.val[0]); |
| 67 | //mid mid |
| 68 | out = vaddq_s16(out, vextq_s16(mid_s16.val[0], mid_s16.val[1], 1)); |
| 69 | //mid right |
| 70 | out = vaddq_s16(out, vextq_s16(mid_s16.val[0], mid_s16.val[1], 2)); |
| 71 | //bot left |
| 72 | out = vaddq_s16(out, bot_s16.val[0]); |
| 73 | //bot mid |
| 74 | out = vaddq_s16(out, vextq_s16(bot_s16.val[0], bot_s16.val[1], 1)); |
| 75 | //bot right |
| 76 | out = vaddq_s16(out, vextq_s16(bot_s16.val[0], bot_s16.val[1], 2)); |
| 77 | return out; |
| 78 | } |
| 79 | |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 80 | #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 81 | void NEBox3x3FP16Kernel::run(const Window &window, const ThreadInfo &info) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 82 | { |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 83 | ARM_COMPUTE_UNUSED(info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 84 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 85 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window); |
| 86 | |
| 87 | Iterator input(_input, window); |
| 88 | Iterator output(_output, window); |
| 89 | |
| 90 | unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-1, -1)); |
| 91 | unsigned char *const input_mid_ptr = _input->ptr_to_element(Coordinates(-1, 0)); |
| 92 | unsigned char *const input_bot_ptr = _input->ptr_to_element(Coordinates(-1, +1)); |
| 93 | |
| 94 | const float16x8_t oneovernine = vdupq_n_f16(1.0f / 9.0f); |
| 95 | |
Michalis Spyrou | a4f378d | 2019-04-26 14:54:54 +0100 | [diff] [blame] | 96 | execute_window_loop(window, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 97 | { |
| 98 | const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); |
| 99 | const uint8x16_t mid_data = vld1q_u8(input_mid_ptr + input.offset()); |
| 100 | const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); |
| 101 | |
Alan Kelly | 0eb16cf | 2019-04-28 15:53:14 +0200 | [diff] [blame^] | 102 | int16x8_t out = calculate_kernel(top_data, mid_data, bot_data); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 103 | |
Alan Kelly | efcefea | 2019-04-10 21:37:05 +0200 | [diff] [blame] | 104 | float16x8_t outfloat = vcvtq_f16_u16(out); |
| 105 | outfloat = vmulq_f16(outfloat, oneovernine); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 106 | |
Alan Kelly | efcefea | 2019-04-10 21:37:05 +0200 | [diff] [blame] | 107 | vst1_u8(output.ptr(), vqmovun_s16(vcvtq_s16_f16(outfloat))); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 108 | }, |
| 109 | input, output); |
| 110 | } |
Ioan-Cristian Szabo | 5edbd1c | 2017-11-13 13:34:08 +0000 | [diff] [blame] | 111 | #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 112 | |
| 113 | BorderSize NEBox3x3Kernel::border_size() const |
| 114 | { |
| 115 | return BorderSize(1); |
| 116 | } |
| 117 | |
| 118 | void NEBox3x3Kernel::configure(const ITensor *input, ITensor *output, bool border_undefined) |
| 119 | { |
| 120 | ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| 121 | |
| 122 | set_shape_if_empty(*output->info(), input->info()->tensor_shape()); |
| 123 | |
| 124 | set_format_if_unknown(*input->info(), Format::U8); |
| 125 | set_format_if_unknown(*output->info(), Format::U8); |
| 126 | |
| 127 | ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| 128 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| 129 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); |
| 130 | ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| 131 | |
| 132 | _input = input; |
| 133 | _output = output; |
| 134 | |
| 135 | constexpr unsigned int num_elems_processed_per_iteration = 8; |
| 136 | constexpr unsigned int num_elems_read_per_iteration = 16; |
| 137 | constexpr unsigned int num_elems_written_per_iteration = 8; |
| 138 | constexpr unsigned int num_rows_read_per_iteration = 3; |
| 139 | constexpr int rect_offset_xy = -1; |
| 140 | |
| 141 | // Configure kernel window |
| 142 | Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration), border_undefined, border_size()); |
| 143 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration); |
| 144 | |
| 145 | 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); |
| 146 | |
| 147 | output_access.set_valid_region(win, input->info()->valid_region(), border_undefined, border_size()); |
| 148 | |
| 149 | INEKernel::configure(win); |
| 150 | } |
| 151 | |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 152 | void NEBox3x3Kernel::run(const Window &window, const ThreadInfo &info) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 153 | { |
Moritz Pflanzer | c186b57 | 2017-09-07 09:48:04 +0100 | [diff] [blame] | 154 | ARM_COMPUTE_UNUSED(info); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 155 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 156 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INESimpleKernel::window(), window); |
| 157 | |
| 158 | Iterator input(_input, window); |
| 159 | Iterator output(_output, window); |
| 160 | |
| 161 | unsigned char *const input_top_ptr = _input->ptr_to_element(Coordinates(-1, -1)); |
| 162 | unsigned char *const input_mid_ptr = _input->ptr_to_element(Coordinates(-1, 0)); |
| 163 | unsigned char *const input_bot_ptr = _input->ptr_to_element(Coordinates(-1, +1)); |
| 164 | |
Alan Kelly | a400334 | 2019-04-10 21:37:48 +0200 | [diff] [blame] | 165 | const int shift = 19; |
| 166 | int value = (1 << shift) / 9 + 1; //58255 / (2^19) ~= 1/9 |
| 167 | const int32x4_t oneovernine = vdupq_n_s32(value); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 168 | |
Michalis Spyrou | a4f378d | 2019-04-26 14:54:54 +0100 | [diff] [blame] | 169 | execute_window_loop(window, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 170 | { |
| 171 | const uint8x16_t top_data = vld1q_u8(input_top_ptr + input.offset()); |
| 172 | const uint8x16_t mid_data = vld1q_u8(input_mid_ptr + input.offset()); |
| 173 | const uint8x16_t bot_data = vld1q_u8(input_bot_ptr + input.offset()); |
| 174 | |
Alan Kelly | 0eb16cf | 2019-04-28 15:53:14 +0200 | [diff] [blame^] | 175 | int16x8_t out = calculate_kernel(top_data, mid_data, bot_data); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 176 | |
Alan Kelly | a400334 | 2019-04-10 21:37:48 +0200 | [diff] [blame] | 177 | int32x4_t outfloathigh = vmovl_s16(vget_high_s16(out)); |
| 178 | int32x4_t outfloatlow = vmovl_s16(vget_low_s16(out)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 179 | |
Alan Kelly | a400334 | 2019-04-10 21:37:48 +0200 | [diff] [blame] | 180 | outfloathigh = vmulq_s32(outfloathigh, oneovernine); |
| 181 | outfloatlow = vmulq_s32(outfloatlow, oneovernine); |
| 182 | outfloathigh = vshrq_n_s32(outfloathigh, shift); |
| 183 | outfloatlow = vshrq_n_s32(outfloatlow, shift); |
| 184 | out = vcombine_s16(vqmovn_s32((outfloatlow)), |
| 185 | vqmovn_s32((outfloathigh))); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 186 | |
| 187 | vst1_u8(output.ptr(), vqmovun_s16(out)); |
| 188 | }, |
| 189 | input, output); |
| 190 | } |