Marat Dukhan | e76478b | 2021-06-28 16:35:40 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/qs8-igemm/c8-neon-mull-padal.c.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2021 Google LLC |
| 6 | // |
| 7 | // This source code is licensed under the BSD-style license found in the |
| 8 | // LICENSE file in the root directory of this source tree. |
| 9 | |
| 10 | #include <assert.h> |
| 11 | |
| 12 | #include <arm_neon.h> |
| 13 | |
| 14 | #include <xnnpack/igemm.h> |
| 15 | #include <xnnpack/intrinsics-polyfill.h> |
| 16 | #include <xnnpack/math.h> |
| 17 | |
| 18 | |
| 19 | void xnn_qc8_igemm_minmax_fp32_ukernel_1x8c8__neonv8_mlal_padal( |
| 20 | size_t mr, |
| 21 | size_t nc, |
| 22 | size_t kc, |
| 23 | size_t ks, |
| 24 | const int8_t** restrict a, |
| 25 | const void* restrict w, |
| 26 | int8_t* restrict c, |
| 27 | size_t cm_stride, |
| 28 | size_t cn_stride, |
| 29 | size_t a_offset, |
| 30 | const int8_t* zero, |
| 31 | const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
| 32 | { |
| 33 | assert(mr != 0); |
| 34 | assert(mr <= 1); |
| 35 | assert(nc != 0); |
| 36 | assert(kc != 0); |
| 37 | assert(ks != 0); |
| 38 | assert(ks % (1 * sizeof(void*)) == 0); |
| 39 | assert(a_offset % sizeof(int8_t) == 0); |
| 40 | assert(a != NULL); |
| 41 | assert(w != NULL); |
| 42 | assert(c != NULL); |
| 43 | |
| 44 | kc = round_up_po2(kc, 8 * sizeof(int8_t)); |
| 45 | int8_t* c0 = c; |
| 46 | |
| 47 | do { |
| 48 | int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 49 | int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 50 | int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 51 | int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 52 | int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 53 | int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 54 | int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 55 | int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t)); |
| 56 | |
| 57 | size_t p = ks; |
| 58 | do { |
| 59 | const int8_t* restrict a0 = a[0]; |
| 60 | if XNN_UNPREDICTABLE(a0 != zero) { |
| 61 | a0 = (const int8_t*) ((uintptr_t) a0 + a_offset); |
| 62 | } |
| 63 | a += 1; |
| 64 | |
| 65 | size_t k = kc; |
| 66 | // 2x partial unrolled loop to load 16 bytes at a time using MLA. |
| 67 | while (k >= 16 * sizeof(int8_t)) { |
| 68 | const int8x8_t va0x0 = vld1_s8(a0); a0 += 8; |
| 69 | const int8x8_t va0x1 = vld1_s8(a0); a0 += 8; |
| 70 | |
| 71 | const int8x8_t vb0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 72 | const int8x8_t vb1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 73 | const int8x8_t vb2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 74 | const int8x8_t vb3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 75 | const int8x8_t vb4x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 76 | const int8x8_t vb5x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 77 | const int8x8_t vb6x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 78 | const int8x8_t vb7x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 79 | |
| 80 | const int8x8_t vb0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 81 | int16x8_t vprod0x0 = vmull_s8(vb0x0, va0x0); |
| 82 | vprod0x0 = vmlal_s8(vprod0x0, vb0x1, va0x1); |
| 83 | vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0); |
| 84 | const int8x8_t vb1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 85 | int16x8_t vprod0x1 = vmull_s8(vb1x0, va0x0); |
| 86 | vprod0x1 = vmlal_s8(vprod0x1, vb1x1, va0x1); |
| 87 | vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1); |
| 88 | const int8x8_t vb2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 89 | int16x8_t vprod0x2 = vmull_s8(vb2x0, va0x0); |
| 90 | vprod0x2 = vmlal_s8(vprod0x2, vb2x1, va0x1); |
| 91 | vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2); |
| 92 | const int8x8_t vb3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 93 | int16x8_t vprod0x3 = vmull_s8(vb3x0, va0x0); |
| 94 | vprod0x3 = vmlal_s8(vprod0x3, vb3x1, va0x1); |
| 95 | vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3); |
| 96 | const int8x8_t vb4x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 97 | int16x8_t vprod0x4 = vmull_s8(vb4x0, va0x0); |
| 98 | vprod0x4 = vmlal_s8(vprod0x4, vb4x1, va0x1); |
| 99 | vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4); |
| 100 | const int8x8_t vb5x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 101 | int16x8_t vprod0x5 = vmull_s8(vb5x0, va0x0); |
| 102 | vprod0x5 = vmlal_s8(vprod0x5, vb5x1, va0x1); |
| 103 | vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5); |
| 104 | const int8x8_t vb6x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 105 | int16x8_t vprod0x6 = vmull_s8(vb6x0, va0x0); |
| 106 | vprod0x6 = vmlal_s8(vprod0x6, vb6x1, va0x1); |
| 107 | vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6); |
| 108 | const int8x8_t vb7x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t)); |
| 109 | int16x8_t vprod0x7 = vmull_s8(vb7x0, va0x0); |
| 110 | vprod0x7 = vmlal_s8(vprod0x7, vb7x1, va0x1); |
| 111 | vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7); |
| 112 | |
| 113 | k -= 16 * sizeof(int8_t); |
| 114 | } |
| 115 | |
| 116 | // Handle 8 bytes at a time using MUL. |
| 117 | if (k != 0) { |
| 118 | const int8x8_t va0 = vld1_s8(a0); a0 += 8; |
| 119 | |
| 120 | const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 121 | const int16x8_t vprod0x0 = vmull_s8(vb0, va0); |
| 122 | vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0); |
| 123 | const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 124 | const int16x8_t vprod0x1 = vmull_s8(vb1, va0); |
| 125 | vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1); |
| 126 | const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 127 | const int16x8_t vprod0x2 = vmull_s8(vb2, va0); |
| 128 | vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2); |
| 129 | const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 130 | const int16x8_t vprod0x3 = vmull_s8(vb3, va0); |
| 131 | vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3); |
| 132 | const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 133 | const int16x8_t vprod0x4 = vmull_s8(vb4, va0); |
| 134 | vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4); |
| 135 | const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 136 | const int16x8_t vprod0x5 = vmull_s8(vb5, va0); |
| 137 | vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5); |
| 138 | const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 139 | const int16x8_t vprod0x6 = vmull_s8(vb6, va0); |
| 140 | vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6); |
| 141 | const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t)); |
| 142 | const int16x8_t vprod0x7 = vmull_s8(vb7, va0); |
| 143 | vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7); |
| 144 | |
| 145 | k -= 8 * sizeof(int8_t); |
| 146 | } |
| 147 | |
| 148 | p -= 1 * sizeof(void*); |
| 149 | } while (p != 0); |
| 150 | |
| 151 | #if XNN_ARCH_ARM64 |
| 152 | const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1); |
| 153 | const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3); |
| 154 | const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5); |
| 155 | const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7); |
| 156 | |
| 157 | int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23); |
| 158 | int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67); |
| 159 | #else |
| 160 | const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0)); |
| 161 | const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1)); |
| 162 | const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2)); |
| 163 | const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3)); |
| 164 | const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1); |
| 165 | const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3); |
| 166 | int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 ); |
| 167 | const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4)); |
| 168 | const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5)); |
| 169 | const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6)); |
| 170 | const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7)); |
| 171 | const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5); |
| 172 | const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7); |
| 173 | int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 ); |
| 174 | #endif |
| 175 | |
| 176 | float32x4_t vfpacc0x0123 = vcvtq_f32_s32(vacc0x0123); |
| 177 | float32x4_t vfpacc0x4567 = vcvtq_f32_s32(vacc0x4567); |
| 178 | |
| 179 | const float32x4_t vscale0123 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4); |
| 180 | vfpacc0x0123 = vmulq_f32(vfpacc0x0123, vscale0123); |
| 181 | const float32x4_t vscale4567 = vld1q_f32((const float*) w); w = (const void*) ((const float*) w + 4); |
| 182 | vfpacc0x4567 = vmulq_f32(vfpacc0x4567, vscale4567); |
| 183 | |
| 184 | vacc0x0123 = vcvtnq_s32_f32(vfpacc0x0123); |
| 185 | vacc0x4567 = vcvtnq_s32_f32(vfpacc0x4567); |
| 186 | |
| 187 | const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point); |
| 188 | #if XNN_ARCH_ARM64 |
| 189 | const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point); |
| 190 | |
| 191 | int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567); |
| 192 | #else |
| 193 | const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point); |
| 194 | |
| 195 | int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567); |
| 196 | #endif |
| 197 | const int8x8_t voutput_min = vld1_dup_s8(¶ms->neon.output_min); |
| 198 | const int8x8_t voutput_max = vld1_dup_s8(¶ms->neon.output_max); |
| 199 | |
| 200 | vout0x01234567 = vmax_s8(vout0x01234567, voutput_min); |
| 201 | |
| 202 | vout0x01234567 = vmin_s8(vout0x01234567, voutput_max); |
| 203 | |
| 204 | if (nc >= 8) { |
| 205 | vst1_s8(c0 + 0, vout0x01234567); |
| 206 | |
| 207 | c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| 208 | |
| 209 | a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| 210 | |
| 211 | nc -= 8; |
| 212 | } else { |
| 213 | if (nc & 4) { |
| 214 | vst1_lane_u32(__builtin_assume_aligned(c0, 1), vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4; |
| 215 | vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4); |
| 216 | } |
| 217 | if (nc & 2) { |
| 218 | vst1_lane_u16(__builtin_assume_aligned(c0, 1), vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2; |
| 219 | vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2); |
| 220 | } |
| 221 | if (nc & 1) { |
| 222 | vst1_lane_s8(c0, vout0x01234567, 0); |
| 223 | } |
| 224 | |
| 225 | nc = 0; |
| 226 | } |
| 227 | } while (nc != 0); |
| 228 | } |