1// Copyright 2020 Google LLC 2// 3// This source code is licensed under the BSD-style license found in the 4// LICENSE file in the root directory of this source tree. 5 6$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" 7$assert CHANNEL_TILE % 8 == 0 8$assert CHANNEL_TILE >= 8 9$assert KERNEL_TILE >= 2 10#include <assert.h> 11 12#include <wasm_simd128.h> 13 14#include <xnnpack/dwconv.h> 15 16 17void xnn_qs8_dwconv_minmax_ukernel_up${CHANNEL_TILE}x${KERNEL_TILE}__wasmsimd_mul16( 18 size_t channels, 19 size_t output_width, 20 const int8_t** input, 21 const void* weights, 22 int8_t* output, 23 size_t input_stride, 24 size_t output_increment, 25 size_t input_offset, 26 const int8_t* zero, 27 const union xnn_qs8_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN 28{ 29 assert(channels != 0); 30 assert(output_width != 0); 31 32 do { 33 $for K in range(KERNEL_TILE): 34 const int8_t* i${K} = input[${K}]; 35 assert(i${K} != NULL); 36 if XNN_UNPREDICTABLE(i${K} != zero) { 37 i${K} = (const int8_t*) ((uintptr_t) i${K} + input_offset); 38 } 39 input = (const int8_t**) ((uintptr_t) input + input_stride); 40 41 size_t c = channels; 42 const void* w = weights; 43 for (; c >= ${CHANNEL_TILE}; c -= ${CHANNEL_TILE}) { 44 v128_t vacc${ABC[0:4]} = wasm_v128_load(w); 45 $for C in range(4, CHANNEL_TILE, 4): 46 v128_t vacc${ABC[C:C+4]} = wasm_v128_load((const void*) ((uintptr_t) w + ${C} * sizeof(int32_t))); 47 48 $for K in range(KERNEL_TILE): 49 50 $for C in range(0, CHANNEL_TILE, 8): 51 $if C == 0: 52 const v128_t vi${K}x${ABC[0:8]} = wasm_i16x8_load_8x8(i${K}); 53 $else: 54 const v128_t vi${K}x${ABC[C:C+8]} = wasm_i16x8_load_8x8(i${K} + ${C}); 55 const v128_t vk${K}x${ABC[C:C+8]} = wasm_i16x8_load_8x8((const void*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE + C} * sizeof(int8_t))); 56 i${K} += ${CHANNEL_TILE}; 57 58 $for C in range(0, CHANNEL_TILE, 8): 59 const v128_t vprod${K}x${ABC[C:C+8]} = wasm_i16x8_mul(vi${K}x${ABC[C:C+8]}, vk${K}x${ABC[C:C+8]}); 60 61 $for C in range(0, CHANNEL_TILE, 8): 62 vacc${ABC[C:C+4]} = wasm_i32x4_add(vacc${ABC[C:C+4]}, wasm_i32x4_widen_low_i16x8(vprod${K}x${ABC[C:C+8]})); 63 vacc${ABC[C+4:C+8]} = wasm_i32x4_add(vacc${ABC[C+4:C+8]}, wasm_i32x4_widen_high_i16x8(vprod${K}x${ABC[C:C+8]})); 64 65 w = (const void*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${KERNEL_TILE * CHANNEL_TILE} * sizeof(int8_t)); 66 67 $for C in range(0, CHANNEL_TILE, 4): 68 const v128_t vsign${ABC[C:C+4]} = wasm_i32x4_shr(vacc${ABC[C:C+4]}, 31); 69 70 $for C in range(0, CHANNEL_TILE, 4): 71 const v128_t vacc${ABC[C:C+2]} = wasm_v32x4_shuffle(vacc${ABC[C:C+4]}, vsign${ABC[C:C+4]}, 0, 4, 1, 5); 72 const v128_t vacc${ABC[C+2:C+4]} = wasm_v32x4_shuffle(vacc${ABC[C:C+4]}, vsign${ABC[C:C+4]}, 2, 6, 3, 7); 73 74 const v128_t vmultiplier = wasm_v128_load(params->wasmsimd.multiplier); 75 const v128_t vrounding = wasm_v128_load(params->wasmsimd.rounding); 76 $for C in range(0, CHANNEL_TILE, 2): 77 const v128_t vprod${ABC[C:C+2]} = wasm_i64x2_add(wasm_i64x2_mul(vacc${ABC[C:C+2]}, vmultiplier), vrounding); 78 79 $for C in range(0, CHANNEL_TILE, 4): 80 const v128_t vq31prod${ABC[C:C+4]} = wasm_v32x4_shuffle(vprod${ABC[C:C+2]}, vprod${ABC[C+2:C+4]}, 1, 3, 5, 7); 81 82 const v128_t vremainder_mask = wasm_v128_load(params->wasmsimd.remainder_mask); 83 $for C in range(0, CHANNEL_TILE, 4): 84 const v128_t vrem${ABC[C:C+4]} = wasm_i32x4_add(wasm_v128_and(vq31prod${ABC[C:C+4]}, vremainder_mask), wasm_i32x4_shr(vq31prod${ABC[C:C+4]}, 31)); 85 86 const v128_t vthreshold = wasm_v128_load(params->wasmsimd.remainder_threshold); 87 const int32_t vshift = params->wasmsimd.shift; 88 $for C in range(0, CHANNEL_TILE, 4): 89 vacc${ABC[C:C+4]} = wasm_i32x4_sub(wasm_i32x4_shr(vq31prod${ABC[C:C+4]}, vshift), wasm_i32x4_gt(vrem${ABC[C:C+4]}, vthreshold)); 90 91 const v128_t voutput_zero_point = wasm_v128_load(params->wasmsimd.output_zero_point); 92 $for C in range(0, CHANNEL_TILE, 8): 93 v128_t vout${ABC[C:C+8]} = wasm_i16x8_add_saturate(wasm_i16x8_narrow_i32x4(vacc${ABC[C:C+4]}, vacc${ABC[C+4:C+8]}), voutput_zero_point); 94 95 const v128_t voutput_min = wasm_v128_load(params->wasmsimd.output_min); 96 const v128_t voutput_max = wasm_v128_load(params->wasmsimd.output_max); 97 $for C in range(0, CHANNEL_TILE, 16): 98 $if C + 8 < CHANNEL_TILE: 99 v128_t vout${ABC[C:C+16]} = wasm_i8x16_min(wasm_i8x16_max(wasm_i8x16_narrow_i16x8(vout${ABC[C:C+8]}, vout${ABC[C+8:C+16]}), voutput_min), voutput_max); 100 $else: 101 v128_t vout${ABC[C:C+8]}${ABC[C:C+8]} = wasm_i8x16_min(wasm_i8x16_max(wasm_i8x16_narrow_i16x8(vout${ABC[C:C+8]}, vout${ABC[C:C+8]}), voutput_min), voutput_max); 102 103 $if CHANNEL_TILE > 8: 104 wasm_v128_store(output, vout${ABC[0:16]}); 105 $else: 106 *((double*) output) = wasm_f64x2_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 107 $for C in range(16, CHANNEL_TILE, 16): 108 $if C + 8 < CHANNEL_TILE: 109 wasm_v128_store(output + ${C}, vout${ABC[C:C+16]}); 110 $else: 111 *((double*) (output + ${C})) = wasm_f64x2_extract_lane(vout${ABC[C:C+8]}${ABC[C:C+8]}, 0); 112 output += ${CHANNEL_TILE}; 113 } 114 if XNN_UNLIKELY(c != 0) { 115 $if CHANNEL_TILE > 8: 116 const int8_t* k = (const int8_t*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t)); 117 ${"do " if CHANNEL_TILE > 8 else ""}{ 118 v128_t vacc${ABC[0:4]} = wasm_v128_load(w); 119 v128_t vacc${ABC[4:8]} = wasm_v128_load((const void*) ((uintptr_t) w + 4 * sizeof(int32_t))); 120 121 $for K in range(KERNEL_TILE): 122 123 const v128_t vi${K}x${ABC[0:8]} = wasm_i16x8_load_8x8(i${K}); 124 $if CHANNEL_TILE > 8: 125 $if K == 0: 126 const v128_t vk${K}x${ABC[0:8]} = wasm_i16x8_load_8x8(k); 127 $else: 128 const v128_t vk${K}x${ABC[0:8]} = wasm_i16x8_load_8x8((const void*) (k + ${K * CHANNEL_TILE})); 129 $else: 130 const v128_t vk${K}x${ABC[0:8]} = wasm_i16x8_load_8x8((const void*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE} * sizeof(int8_t))); 131 $if CHANNEL_TILE > 8: 132 i${K} += 8; 133 134 const v128_t vprod${K}x${ABC[0:8]} = wasm_i16x8_mul(vi${K}x${ABC[0:8]}, vk${K}x${ABC[0:8]}); 135 136 vacc${ABC[0:4]} = wasm_i32x4_add(vacc${ABC[0:4]}, wasm_i32x4_widen_low_i16x8(vprod${K}x${ABC[0:8]})); 137 vacc${ABC[4:8]} = wasm_i32x4_add(vacc${ABC[4:8]}, wasm_i32x4_widen_high_i16x8(vprod${K}x${ABC[0:8]})); 138 139 $if CHANNEL_TILE > 8: 140 w = (const void*) ((uintptr_t) w + 8 * sizeof(int32_t)); 141 k += 8; 142 143 const v128_t vsign${ABC[0:4]} = wasm_i32x4_shr(vacc${ABC[0:4]}, 31); 144 const v128_t vsign${ABC[4:8]} = wasm_i32x4_shr(vacc${ABC[4:8]}, 31); 145 146 const v128_t vacc${ABC[0:2]} = wasm_v32x4_shuffle(vacc${ABC[0:4]}, vsign${ABC[0:4]}, 0, 4, 1, 5); 147 const v128_t vacc${ABC[2:4]} = wasm_v32x4_shuffle(vacc${ABC[0:4]}, vsign${ABC[0:4]}, 2, 6, 3, 7); 148 const v128_t vacc${ABC[4:6]} = wasm_v32x4_shuffle(vacc${ABC[4:8]}, vsign${ABC[4:8]}, 0, 4, 1, 5); 149 const v128_t vacc${ABC[6:8]} = wasm_v32x4_shuffle(vacc${ABC[4:8]}, vsign${ABC[4:8]}, 2, 6, 3, 7); 150 151 const v128_t vmultiplier = wasm_v128_load(params->wasmsimd.multiplier); 152 const v128_t vrounding = wasm_v128_load(params->wasmsimd.rounding); 153 const v128_t vprod${ABC[0:2]} = wasm_i64x2_add(wasm_i64x2_mul(vacc${ABC[0:2]}, vmultiplier), vrounding); 154 const v128_t vprod${ABC[2:4]} = wasm_i64x2_add(wasm_i64x2_mul(vacc${ABC[2:4]}, vmultiplier), vrounding); 155 const v128_t vprod${ABC[4:6]} = wasm_i64x2_add(wasm_i64x2_mul(vacc${ABC[4:6]}, vmultiplier), vrounding); 156 const v128_t vprod${ABC[6:8]} = wasm_i64x2_add(wasm_i64x2_mul(vacc${ABC[6:8]}, vmultiplier), vrounding); 157 158 const v128_t vq31prod${ABC[0:4]} = wasm_v32x4_shuffle(vprod${ABC[0:2]}, vprod${ABC[2:4]}, 1, 3, 5, 7); 159 const v128_t vq31prod${ABC[4:8]} = wasm_v32x4_shuffle(vprod${ABC[4:6]}, vprod${ABC[6:8]}, 1, 3, 5, 7); 160 161 const v128_t vremainder_mask = wasm_v128_load(params->wasmsimd.remainder_mask); 162 const v128_t vrem${ABC[0:4]} = wasm_i32x4_add(wasm_v128_and(vq31prod${ABC[0:4]}, vremainder_mask), wasm_i32x4_shr(vq31prod${ABC[0:4]}, 31)); 163 const v128_t vrem${ABC[4:8]} = wasm_i32x4_add(wasm_v128_and(vq31prod${ABC[4:8]}, vremainder_mask), wasm_i32x4_shr(vq31prod${ABC[4:8]}, 31)); 164 165 const v128_t vthreshold = wasm_v128_load(params->wasmsimd.remainder_threshold); 166 const int32_t vshift = params->wasmsimd.shift; 167 vacc${ABC[0:4]} = wasm_i32x4_sub(wasm_i32x4_shr(vq31prod${ABC[0:4]}, vshift), wasm_i32x4_gt(vrem${ABC[0:4]}, vthreshold)); 168 vacc${ABC[4:8]} = wasm_i32x4_sub(wasm_i32x4_shr(vq31prod${ABC[4:8]}, vshift), wasm_i32x4_gt(vrem${ABC[4:8]}, vthreshold)); 169 170 const v128_t voutput_zero_point = wasm_v128_load(params->wasmsimd.output_zero_point); 171 v128_t vout${ABC[0:8]} = wasm_i16x8_add_saturate(wasm_i16x8_narrow_i32x4(vacc${ABC[0:4]}, vacc${ABC[4:8]}), voutput_zero_point); 172 173 const v128_t voutput_min = wasm_v128_load(params->wasmsimd.output_min); 174 const v128_t voutput_max = wasm_v128_load(params->wasmsimd.output_max); 175 v128_t vout${ABC[0:8]}${ABC[0:8]} = wasm_i8x16_min(wasm_i8x16_max(wasm_i8x16_narrow_i16x8(vout${ABC[0:8]}, vout${ABC[0:8]}), voutput_min), voutput_max); 176 177 $if CHANNEL_TILE > 8: 178 if XNN_LIKELY(c >= 8) { 179 *((double*) output) = wasm_f64x2_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 180 output += 8; 181 c -= 8; 182 } else { 183 if (c & 4) { 184 *((float*) output) = wasm_f32x4_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 185 vout${ABC[0:8]}${ABC[0:8]} = wasm_u64x2_shr(vout${ABC[0:8]}${ABC[0:8]}, 32); 186 output += 4; 187 } 188 if (c & 2) { 189 *((uint16_t*) output) = (uint16_t) wasm_i16x8_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 190 vout${ABC[0:8]}${ABC[0:8]} = wasm_u32x4_shr(vout${ABC[0:8]}${ABC[0:8]}, 16); 191 output += 2; 192 } 193 if (c & 1) { 194 *output = (int8_t) wasm_i8x16_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 195 output += 1; 196 } 197 c = 0; 198 } 199 $else: 200 if (c & 4) { 201 *((float*) output) = wasm_f32x4_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 202 vout${ABC[0:8]}${ABC[0:8]} = wasm_u64x2_shr(vout${ABC[0:8]}${ABC[0:8]}, 32); 203 output += 4; 204 } 205 if (c & 2) { 206 *((uint16_t*) output) = (uint16_t) wasm_i16x8_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 207 vout${ABC[0:8]}${ABC[0:8]} = wasm_u32x4_shr(vout${ABC[0:8]}${ABC[0:8]}, 16); 208 output += 2; 209 } 210 if (c & 1) { 211 *output = (int8_t) wasm_i8x16_extract_lane(vout${ABC[0:8]}${ABC[0:8]}, 0); 212 output += 1; 213 } 214 }${" while (c != 0);" if CHANNEL_TILE > 8 else ""} 215 } 216 217 output = (int8_t*) ((uintptr_t) output + output_increment); 218 } while (--output_width != 0); 219} 220