Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 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 | |
Georgios Pinitas | 4074c99 | 2018-01-30 18:13:46 +0000 | [diff] [blame] | 25 | #include "arm_compute/core/NEON/kernels/convolution/winograd/transforms/output.hpp" |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 26 | #include "arm_compute/core/NEON/kernels/convolution/winograd/winograd_output_transform.hpp" |
Georgios Pinitas | 4074c99 | 2018-01-30 18:13:46 +0000 | [diff] [blame] | 27 | #include "arm_compute/core/NEON/kernels/convolution/common/arm.hpp" |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 28 | |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 29 | namespace |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 30 | { |
| 31 | |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 32 | template <bool Specialized, int PadBottom=0, int PadRight=0> |
| 33 | void winograd_output_transform_4x4_3x3_fp32_process_tile( |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 34 | const int n_channels, |
| 35 | const float* const matrix_base, |
| 36 | const int matrix_stride, |
Pablo Tello | d6ca478 | 2018-01-23 09:36:04 +0000 | [diff] [blame] | 37 | const float* const biases, |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 38 | float* const output, |
| 39 | const int output_row_stride, |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 40 | const int output_col_stride, |
| 41 | const int _pad_bottom, |
| 42 | const int _pad_right |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 43 | ) |
| 44 | { |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 45 | const int pad_bottom = Specialized ? PadBottom : _pad_bottom; |
| 46 | const int pad_right = Specialized ? PadRight : _pad_right; |
| 47 | constexpr int TileRows = 4, TileCols = 4; |
| 48 | |
| 49 | const int cells_i = TileRows - pad_bottom; |
| 50 | const int cells_j = TileCols - pad_right; |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 51 | |
| 52 | // Construct a map to the output cells |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 53 | float *outptrs[TileRows][TileCols]; |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 54 | for (int i = 0; i < cells_i; i++) |
| 55 | { |
| 56 | for (int j = 0; j < cells_j; j++) |
| 57 | { |
| 58 | outptrs[i][j] = output + i*output_row_stride + j*output_col_stride; |
| 59 | } |
| 60 | } |
| 61 | const float *inptr = matrix_base; |
Pablo Tello | d6ca478 | 2018-01-23 09:36:04 +0000 | [diff] [blame] | 62 | const float *bptr = biases; |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 63 | |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 64 | if (bptr) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 65 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 66 | // For each channel of the output |
| 67 | int channels_remaining = n_channels; |
| 68 | #ifdef __aarch64__ |
| 69 | for (; channels_remaining >= 4; channels_remaining -= 4) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 70 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 71 | // Matrices used and computed during this transform |
| 72 | float32x4_t F[6][6], FZ[6][4], f[4][4], b; |
| 73 | |
| 74 | // Read a 6x6 tile in the Winograd domain |
| 75 | for (int i = 0, m = 0; i < 6; i++) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 76 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 77 | for (int j = 0; j < 6; j++, m++) |
| 78 | { |
| 79 | F[i][j] = vld1q_f32(inptr + m*matrix_stride); |
| 80 | } |
| 81 | } |
| 82 | inptr += 4; |
| 83 | |
| 84 | // Compute the matrix F Z |
| 85 | for (int i = 0; i < 6; i++) |
| 86 | { |
| 87 | // FZ[i][0] = 1*F[i][0] + 1*F[i][1] + 1*F[i][2] + 1*F[i][3] + 1*F[i][4]; |
| 88 | FZ[i][0] = vaddq_f32(vaddq_f32(vaddq_f32(F[i][0], F[i][1]), vaddq_f32(F[i][2], F[i][3])), F[i][4]); |
| 89 | |
| 90 | // FZ[i][1] = 1*F[i][1] + -1*F[i][2] + 2*F[i][3] + -2*F[i][4]; |
| 91 | FZ[i][1] = vmlaq_n_f32(vsubq_f32(F[i][1], F[i][2]), vsubq_f32(F[i][3], F[i][4]), 2.0f); |
| 92 | |
| 93 | // FZ[i][2] = 1*F[i][1] + 1*F[i][2] + 4*F[i][3] + 4*F[i][4]; |
| 94 | FZ[i][2] = vmlaq_n_f32(vaddq_f32(F[i][1], F[i][2]), vaddq_f32(F[i][3], F[i][4]), 4.0f); |
| 95 | |
| 96 | // FZ[i][3] = 1*F[i][1] + -1*F[i][2] + 8*F[i][3] + -8*F[i][4] + 1*F[i][5]; |
| 97 | FZ[i][3] = vaddq_f32(vmlaq_n_f32(vsubq_f32(F[i][1], F[i][2]), vsubq_f32(F[i][3], F[i][4]), 8.0f), F[i][5]); |
| 98 | } |
| 99 | |
| 100 | // Compute the output tile f = ZT F Z |
| 101 | for (int j = 0; j < 4; j++) |
| 102 | { |
| 103 | // f[0][j] = 1*FZ[0][j] + 1*FZ[1][j] + 1*FZ[2][j] + 1*FZ[3][j] + 1*FZ[4][j]; |
| 104 | f[0][j] = vaddq_f32(vaddq_f32(vaddq_f32(FZ[0][j], FZ[1][j]), vaddq_f32(FZ[2][j], FZ[3][j])), FZ[4][j]); |
| 105 | |
| 106 | // f[1][j] = 1*FZ[1][j] + -1*FZ[2][j] + 2*FZ[3][j] + -2*FZ[4][j]; |
| 107 | f[1][j] = vmlaq_n_f32(vsubq_f32(FZ[1][j], FZ[2][j]), vsubq_f32(FZ[3][j], FZ[4][j]), 2.0f); |
| 108 | |
| 109 | // f[2][j] = 1*FZ[1][j] + 1*FZ[2][j] + 4*FZ[3][j] + 4*FZ[4][j]; |
| 110 | f[2][j] = vmlaq_n_f32(vaddq_f32(FZ[1][j], FZ[2][j]), vaddq_f32(FZ[3][j], FZ[4][j]), 4.0f); |
| 111 | |
| 112 | // f[3][j] = 1*FZ[1][j] + -1*FZ[2][j] + 8*FZ[3][j] + -8*FZ[4][j] + 1*FZ[5][j]; |
| 113 | f[3][j] = vaddq_f32(vmlaq_n_f32(vsubq_f32(FZ[1][j], FZ[2][j]), vsubq_f32(FZ[3][j], FZ[4][j]), 8.0f), FZ[5][j]); |
| 114 | } |
| 115 | |
| 116 | // Write out the output tile |
| 117 | b = vld1q_f32(bptr); |
| 118 | bptr += 4; |
| 119 | for (int i = 0; i < cells_i; i++) |
| 120 | { |
| 121 | for (int j = 0; j < cells_j; j++) |
| 122 | { |
| 123 | vst1q_f32(outptrs[i][j], vaddq_f32(f[i][j], b)); |
| 124 | outptrs[i][j] += 4; |
| 125 | } |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 126 | } |
| 127 | } |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 128 | #endif // __aarch64__ |
| 129 | #ifdef __arm_any__ |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 130 | for (; channels_remaining >= 2; channels_remaining -= 2) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 131 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 132 | // Matrices used and computed during this transform |
| 133 | float32x2_t F[6][6], FZ[6][4], f[4][4], b; |
| 134 | |
| 135 | // Read a 6x6 tile in the Winograd domain |
| 136 | for (int i = 0, m = 0; i < 6; i++) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 137 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 138 | for (int j = 0; j < 6; j++, m++) |
| 139 | { |
| 140 | F[i][j] = vld1_f32(inptr + m*matrix_stride); |
| 141 | } |
| 142 | } |
| 143 | inptr += 2; |
| 144 | |
| 145 | // Compute the matrix F Z |
| 146 | for (int i = 0; i < 6; i++) |
| 147 | { |
| 148 | // FZ[i][0] = 1*F[i][0] + 1*F[i][1] + 1*F[i][2] + 1*F[i][3] + 1*F[i][4]; |
| 149 | FZ[i][0] = vadd_f32(vadd_f32(vadd_f32(F[i][0], F[i][1]), vadd_f32(F[i][2], F[i][3])), F[i][4]); |
| 150 | |
| 151 | // FZ[i][1] = 1*F[i][1] + -1*F[i][2] + 2*F[i][3] + -2*F[i][4]; |
| 152 | FZ[i][1] = vmla_n_f32(vsub_f32(F[i][1], F[i][2]), vsub_f32(F[i][3], F[i][4]), 2.0f); |
| 153 | |
| 154 | // FZ[i][2] = 1*F[i][1] + 1*F[i][2] + 4*F[i][3] + 4*F[i][4]; |
| 155 | FZ[i][2] = vmla_n_f32(vadd_f32(F[i][1], F[i][2]), vadd_f32(F[i][3], F[i][4]), 4.0f); |
| 156 | |
| 157 | // FZ[i][3] = 1*F[i][1] + -1*F[i][2] + 8*F[i][3] + -8*F[i][4] + 1*F[i][5]; |
| 158 | FZ[i][3] = vadd_f32(vmla_n_f32(vsub_f32(F[i][1], F[i][2]), vsub_f32(F[i][3], F[i][4]), 8.0f), F[i][5]); |
| 159 | } |
| 160 | |
| 161 | // Compute the output tile f = ZT F Z |
| 162 | for (int j = 0; j < 4; j++) |
| 163 | { |
| 164 | // f[0][j] = 1*FZ[0][j] + 1*FZ[1][j] + 1*FZ[2][j] + 1*FZ[3][j] + 1*FZ[4][j]; |
| 165 | f[0][j] = vadd_f32(vadd_f32(vadd_f32(FZ[0][j], FZ[1][j]), vadd_f32(FZ[2][j], FZ[3][j])), FZ[4][j]); |
| 166 | |
| 167 | // f[1][j] = 1*FZ[1][j] + -1*FZ[2][j] + 2*FZ[3][j] + -2*FZ[4][j]; |
| 168 | f[1][j] = vmla_n_f32(vsub_f32(FZ[1][j], FZ[2][j]), vsub_f32(FZ[3][j], FZ[4][j]), 2.0f); |
| 169 | |
| 170 | // f[2][j] = 1*FZ[1][j] + 1*FZ[2][j] + 4*FZ[3][j] + 4*FZ[4][j]; |
| 171 | f[2][j] = vmla_n_f32(vadd_f32(FZ[1][j], FZ[2][j]), vadd_f32(FZ[3][j], FZ[4][j]), 4.0f); |
| 172 | |
| 173 | // f[3][j] = 1*FZ[1][j] + -1*FZ[2][j] + 8*FZ[3][j] + -8*FZ[4][j] + 1*FZ[5][j]; |
| 174 | f[3][j] = vadd_f32(vmla_n_f32(vsub_f32(FZ[1][j], FZ[2][j]), vsub_f32(FZ[3][j], FZ[4][j]), 8.0f), FZ[5][j]); |
| 175 | } |
| 176 | |
| 177 | // Write out the output tile |
| 178 | b = vld1_f32(bptr); |
| 179 | bptr += 2; |
| 180 | for (int i = 0; i < cells_i; i++) |
| 181 | { |
| 182 | for (int j = 0; j < cells_j; j++) |
| 183 | { |
| 184 | vst1_f32(outptrs[i][j], vadd_f32(f[i][j], b)); |
| 185 | outptrs[i][j] += 2; |
| 186 | } |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 187 | } |
| 188 | } |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 189 | #endif |
| 190 | for (; channels_remaining; channels_remaining--) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 191 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 192 | // Matrices used and computed during this transform |
| 193 | float F[6][6], FZ[6][4], f[4][4], b; |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 194 | |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 195 | // Read a 6x6 tile in the Winograd domain |
| 196 | for (int i = 0, m = 0; i < 6; i++) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 197 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 198 | for (int j = 0; j < 6; j++, m++) |
| 199 | { |
| 200 | F[i][j] = *(inptr + m*matrix_stride); |
| 201 | } |
| 202 | } |
| 203 | inptr++; |
| 204 | |
| 205 | // Compute the matrix F Z |
| 206 | for (int i = 0; i < 6; i++) |
| 207 | { |
| 208 | FZ[i][0] = 1*F[i][0] + 1*F[i][1] + 1*F[i][2] + 1*F[i][3] + 1*F[i][4]; |
| 209 | FZ[i][1] = 1*F[i][1] + -1*F[i][2] + 2*F[i][3] + -2*F[i][4]; |
| 210 | FZ[i][2] = 1*F[i][1] + 1*F[i][2] + 4*F[i][3] + 4*F[i][4]; |
| 211 | FZ[i][3] = 1*F[i][1] + -1*F[i][2] + 8*F[i][3] + -8*F[i][4] + 1*F[i][5]; |
| 212 | } |
| 213 | |
| 214 | // Compute the output tile f = ZT F Z |
| 215 | for (int j = 0; j < 4; j++) |
| 216 | { |
| 217 | f[0][j] = 1*FZ[0][j] + 1*FZ[1][j] + 1*FZ[2][j] + 1*FZ[3][j] + 1*FZ[4][j]; |
| 218 | f[1][j] = 1*FZ[1][j] + -1*FZ[2][j] + 2*FZ[3][j] + -2*FZ[4][j]; |
| 219 | f[2][j] = 1*FZ[1][j] + 1*FZ[2][j] + 4*FZ[3][j] + 4*FZ[4][j]; |
| 220 | f[3][j] = 1*FZ[1][j] + -1*FZ[2][j] + 8*FZ[3][j] + -8*FZ[4][j] + 1*FZ[5][j]; |
| 221 | } |
| 222 | |
| 223 | // Write out the output tile |
| 224 | b = *(bptr++); |
| 225 | for (int i = 0; i < cells_i; i++) |
| 226 | { |
| 227 | for (int j = 0; j < cells_j; j++) |
| 228 | { |
| 229 | *(outptrs[i][j]++) = f[i][j] + b; |
| 230 | } |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 231 | } |
| 232 | } |
| 233 | } |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 234 | else |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 235 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 236 | // For each channel of the output |
| 237 | int channels_remaining = n_channels; |
| 238 | #ifdef __aarch64__ |
| 239 | for (; channels_remaining >= 4; channels_remaining -= 4) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 240 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 241 | // Matrices used and computed during this transform |
| 242 | float32x4_t F[6][6], FZ[6][4], f[4][4]; |
| 243 | |
| 244 | // Read a 6x6 tile in the Winograd domain |
| 245 | for (int i = 0, m = 0; i < 6; i++) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 246 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 247 | for (int j = 0; j < 6; j++, m++) |
| 248 | { |
| 249 | F[i][j] = vld1q_f32(inptr + m*matrix_stride); |
| 250 | } |
| 251 | } |
| 252 | inptr += 4; |
| 253 | |
| 254 | // Compute the matrix F Z |
| 255 | for (int i = 0; i < 6; i++) |
| 256 | { |
| 257 | // FZ[i][0] = 1*F[i][0] + 1*F[i][1] + 1*F[i][2] + 1*F[i][3] + 1*F[i][4]; |
| 258 | FZ[i][0] = vaddq_f32(vaddq_f32(vaddq_f32(F[i][0], F[i][1]), vaddq_f32(F[i][2], F[i][3])), F[i][4]); |
| 259 | |
| 260 | // FZ[i][1] = 1*F[i][1] + -1*F[i][2] + 2*F[i][3] + -2*F[i][4]; |
| 261 | FZ[i][1] = vmlaq_n_f32(vsubq_f32(F[i][1], F[i][2]), vsubq_f32(F[i][3], F[i][4]), 2.0f); |
| 262 | |
| 263 | // FZ[i][2] = 1*F[i][1] + 1*F[i][2] + 4*F[i][3] + 4*F[i][4]; |
| 264 | FZ[i][2] = vmlaq_n_f32(vaddq_f32(F[i][1], F[i][2]), vaddq_f32(F[i][3], F[i][4]), 4.0f); |
| 265 | |
| 266 | // FZ[i][3] = 1*F[i][1] + -1*F[i][2] + 8*F[i][3] + -8*F[i][4] + 1*F[i][5]; |
| 267 | FZ[i][3] = vaddq_f32(vmlaq_n_f32(vsubq_f32(F[i][1], F[i][2]), vsubq_f32(F[i][3], F[i][4]), 8.0f), F[i][5]); |
| 268 | } |
| 269 | |
| 270 | // Compute the output tile f = ZT F Z |
| 271 | for (int j = 0; j < 4; j++) |
| 272 | { |
| 273 | // f[0][j] = 1*FZ[0][j] + 1*FZ[1][j] + 1*FZ[2][j] + 1*FZ[3][j] + 1*FZ[4][j]; |
| 274 | f[0][j] = vaddq_f32(vaddq_f32(vaddq_f32(FZ[0][j], FZ[1][j]), vaddq_f32(FZ[2][j], FZ[3][j])), FZ[4][j]); |
| 275 | |
| 276 | // f[1][j] = 1*FZ[1][j] + -1*FZ[2][j] + 2*FZ[3][j] + -2*FZ[4][j]; |
| 277 | f[1][j] = vmlaq_n_f32(vsubq_f32(FZ[1][j], FZ[2][j]), vsubq_f32(FZ[3][j], FZ[4][j]), 2.0f); |
| 278 | |
| 279 | // f[2][j] = 1*FZ[1][j] + 1*FZ[2][j] + 4*FZ[3][j] + 4*FZ[4][j]; |
| 280 | f[2][j] = vmlaq_n_f32(vaddq_f32(FZ[1][j], FZ[2][j]), vaddq_f32(FZ[3][j], FZ[4][j]), 4.0f); |
| 281 | |
| 282 | // f[3][j] = 1*FZ[1][j] + -1*FZ[2][j] + 8*FZ[3][j] + -8*FZ[4][j] + 1*FZ[5][j]; |
| 283 | f[3][j] = vaddq_f32(vmlaq_n_f32(vsubq_f32(FZ[1][j], FZ[2][j]), vsubq_f32(FZ[3][j], FZ[4][j]), 8.0f), FZ[5][j]); |
| 284 | } |
| 285 | |
| 286 | // Write out the output tile |
| 287 | for (int i = 0; i < cells_i; i++) |
| 288 | { |
| 289 | for (int j = 0; j < cells_j; j++) |
| 290 | { |
| 291 | vst1q_f32(outptrs[i][j], f[i][j]); |
| 292 | outptrs[i][j] += 4; |
| 293 | } |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 294 | } |
| 295 | } |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 296 | #endif // __aarch64__ |
| 297 | #ifdef __arm_any__ |
| 298 | for (; channels_remaining >= 2; channels_remaining -= 2) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 299 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 300 | // Matrices used and computed during this transform |
| 301 | float32x2_t F[6][6], FZ[6][4], f[4][4]; |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 302 | |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 303 | // Read a 6x6 tile in the Winograd domain |
| 304 | for (int i = 0, m = 0; i < 6; i++) |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 305 | { |
Andrew Mundy | 4d9379a | 2018-03-15 16:47:03 +0000 | [diff] [blame] | 306 | for (int j = 0; j < 6; j++, m++) |
| 307 | { |
| 308 | F[i][j] = vld1_f32(inptr + m*matrix_stride); |
| 309 | } |
| 310 | } |
| 311 | inptr += 2; |
| 312 | |
| 313 | // Compute the matrix F Z |
| 314 | for (int i = 0; i < 6; i++) |
| 315 | { |
| 316 | // FZ[i][0] = 1*F[i][0] + 1*F[i][1] + 1*F[i][2] + 1*F[i][3] + 1*F[i][4]; |
| 317 | FZ[i][0] = vadd_f32(vadd_f32(vadd_f32(F[i][0], F[i][1]), vadd_f32(F[i][2], F[i][3])), F[i][4]); |
| 318 | |
| 319 | // FZ[i][1] = 1*F[i][1] + -1*F[i][2] + 2*F[i][3] + -2*F[i][4]; |
| 320 | FZ[i][1] = vmla_n_f32(vsub_f32(F[i][1], F[i][2]), vsub_f32(F[i][3], F[i][4]), 2.0f); |
| 321 | |
| 322 | // FZ[i][2] = 1*F[i][1] + 1*F[i][2] + 4*F[i][3] + 4*F[i][4]; |
| 323 | FZ[i][2] = vmla_n_f32(vadd_f32(F[i][1], F[i][2]), vadd_f32(F[i][3], F[i][4]), 4.0f); |
| 324 | |
| 325 | // FZ[i][3] = 1*F[i][1] + -1*F[i][2] + 8*F[i][3] + -8*F[i][4] + 1*F[i][5]; |
| 326 | FZ[i][3] = vadd_f32(vmla_n_f32(vsub_f32(F[i][1], F[i][2]), vsub_f32(F[i][3], F[i][4]), 8.0f), F[i][5]); |
| 327 | } |
| 328 | |
| 329 | // Compute the output tile f = ZT F Z |
| 330 | for (int j = 0; j < 4; j++) |
| 331 | { |
| 332 | // f[0][j] = 1*FZ[0][j] + 1*FZ[1][j] + 1*FZ[2][j] + 1*FZ[3][j] + 1*FZ[4][j]; |
| 333 | f[0][j] = vadd_f32(vadd_f32(vadd_f32(FZ[0][j], FZ[1][j]), vadd_f32(FZ[2][j], FZ[3][j])), FZ[4][j]); |
| 334 | |
| 335 | // f[1][j] = 1*FZ[1][j] + -1*FZ[2][j] + 2*FZ[3][j] + -2*FZ[4][j]; |
| 336 | f[1][j] = vmla_n_f32(vsub_f32(FZ[1][j], FZ[2][j]), vsub_f32(FZ[3][j], FZ[4][j]), 2.0f); |
| 337 | |
| 338 | // f[2][j] = 1*FZ[1][j] + 1*FZ[2][j] + 4*FZ[3][j] + 4*FZ[4][j]; |
| 339 | f[2][j] = vmla_n_f32(vadd_f32(FZ[1][j], FZ[2][j]), vadd_f32(FZ[3][j], FZ[4][j]), 4.0f); |
| 340 | |
| 341 | // f[3][j] = 1*FZ[1][j] + -1*FZ[2][j] + 8*FZ[3][j] + -8*FZ[4][j] + 1*FZ[5][j]; |
| 342 | f[3][j] = vadd_f32(vmla_n_f32(vsub_f32(FZ[1][j], FZ[2][j]), vsub_f32(FZ[3][j], FZ[4][j]), 8.0f), FZ[5][j]); |
| 343 | } |
| 344 | |
| 345 | // Write out the output tile |
| 346 | for (int i = 0; i < cells_i; i++) |
| 347 | { |
| 348 | for (int j = 0; j < cells_j; j++) |
| 349 | { |
| 350 | vst1_f32(outptrs[i][j], f[i][j]); |
| 351 | outptrs[i][j] += 2; |
| 352 | } |
| 353 | } |
| 354 | } |
| 355 | #endif |
| 356 | for (; channels_remaining; channels_remaining--) |
| 357 | { |
| 358 | // Matrices used and computed during this transform |
| 359 | float F[6][6], FZ[6][4], f[4][4]; |
| 360 | |
| 361 | // Read a 6x6 tile in the Winograd domain |
| 362 | for (int i = 0, m = 0; i < 6; i++) |
| 363 | { |
| 364 | for (int j = 0; j < 6; j++, m++) |
| 365 | { |
| 366 | F[i][j] = *(inptr + m*matrix_stride); |
| 367 | } |
| 368 | } |
| 369 | inptr++; |
| 370 | |
| 371 | // Compute the matrix F Z |
| 372 | for (int i = 0; i < 6; i++) |
| 373 | { |
| 374 | FZ[i][0] = 1*F[i][0] + 1*F[i][1] + 1*F[i][2] + 1*F[i][3] + 1*F[i][4]; |
| 375 | FZ[i][1] = 1*F[i][1] + -1*F[i][2] + 2*F[i][3] + -2*F[i][4]; |
| 376 | FZ[i][2] = 1*F[i][1] + 1*F[i][2] + 4*F[i][3] + 4*F[i][4]; |
| 377 | FZ[i][3] = 1*F[i][1] + -1*F[i][2] + 8*F[i][3] + -8*F[i][4] + 1*F[i][5]; |
| 378 | } |
| 379 | |
| 380 | // Compute the output tile f = ZT F Z |
| 381 | for (int j = 0; j < 4; j++) |
| 382 | { |
| 383 | f[0][j] = 1*FZ[0][j] + 1*FZ[1][j] + 1*FZ[2][j] + 1*FZ[3][j] + 1*FZ[4][j]; |
| 384 | f[1][j] = 1*FZ[1][j] + -1*FZ[2][j] + 2*FZ[3][j] + -2*FZ[4][j]; |
| 385 | f[2][j] = 1*FZ[1][j] + 1*FZ[2][j] + 4*FZ[3][j] + 4*FZ[4][j]; |
| 386 | f[3][j] = 1*FZ[1][j] + -1*FZ[2][j] + 8*FZ[3][j] + -8*FZ[4][j] + 1*FZ[5][j]; |
| 387 | } |
| 388 | |
| 389 | // Write out the output tile |
| 390 | for (int i = 0; i < cells_i; i++) |
| 391 | { |
| 392 | for (int j = 0; j < cells_j; j++) |
| 393 | { |
| 394 | *(outptrs[i][j]++) = f[i][j]; |
| 395 | } |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 396 | } |
| 397 | } |
| 398 | } |
| 399 | } |
| 400 | |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 401 | } // namespace (anonymous) |
| 402 | |
| 403 | namespace winograd |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 404 | { |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 405 | using Tiles = OutputTransformImplTiles<3, 3, 6, 6, float>; |
| 406 | |
| 407 | template <> |
| 408 | const Tiles::TileFn Tiles::tilefn_generic = winograd_output_transform_4x4_3x3_fp32_process_tile<false>; |
| 409 | |
| 410 | template <> |
| 411 | const Tiles::TileFn Tiles::tilefn_unpadded = winograd_output_transform_4x4_3x3_fp32_process_tile<true>; |
| 412 | |
| 413 | template <> |
| 414 | const Tiles::TileFn Tiles::tilefn_bottom_padded[n_pad_bottom] = { |
| 415 | winograd_output_transform_4x4_3x3_fp32_process_tile<true, 1, 0>, |
| 416 | winograd_output_transform_4x4_3x3_fp32_process_tile<true, 2, 0>, |
| 417 | winograd_output_transform_4x4_3x3_fp32_process_tile<true, 3, 0>, |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 418 | }; |
| 419 | |
Pablo Tello | d3d97d2 | 2018-10-05 10:59:48 +0100 | [diff] [blame] | 420 | template <> |
| 421 | const Tiles::TileFn Tiles::tilefn_right_padded[n_pad_right] = { |
| 422 | winograd_output_transform_4x4_3x3_fp32_process_tile<true, 0, 1>, |
| 423 | winograd_output_transform_4x4_3x3_fp32_process_tile<true, 0, 2>, |
| 424 | winograd_output_transform_4x4_3x3_fp32_process_tile<true, 0, 3>, |
| 425 | }; |
| 426 | |
| 427 | template class OutputTransform<3, 3, 6, 6, float>; |
Pablo Tello | 9ceebbe | 2018-01-10 16:44:13 +0000 | [diff] [blame] | 428 | } // namespace winograd |