1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c2-wasmsimd-dot16x2.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 <wasm_simd128.h>
13
14 #include <xnnpack/igemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2__wasmsimd_dot16x2_ld128(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2__wasmsimd_dot16x2_ld128(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
30 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 3);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (3 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 kc = round_up_po2(kc, 2);
44 int8_t* c0 = c;
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr < 2) {
47 c1 = c0;
48 }
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 c2 = c1;
52 }
53
54 do {
55 v128_t vacc0x0123 = wasm_v128_load(w);
56 v128_t vacc1x0123 = vacc0x0123;
57 v128_t vacc2x0123 = vacc0x0123;
58 w = (const void*) ((const int32_t*) w + 4);
59
60 size_t p = ks;
61 do {
62 const int8_t* restrict a0 = a[0];
63 if XNN_UNPREDICTABLE(a0 != zero) {
64 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
65 }
66 const int8_t* restrict a1 = a[1];
67 if XNN_UNPREDICTABLE(a1 != zero) {
68 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
69 }
70 const int8_t* restrict a2 = a[2];
71 if XNN_UNPREDICTABLE(a2 != zero) {
72 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
73 }
74 a += 3;
75
76 size_t k = kc;
77 while (k >= 8 * sizeof(int8_t)) {
78 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
79 a0 += 8;
80 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
81 a1 += 8;
82 const v128_t vxa2 = wasm_i16x8_load8x8(a2);
83 a2 += 8;
84
85 const v128_t vb01 = wasm_v128_load(w);
86 const v128_t vxb0 = wasm_i16x8_extend_low_i8x16(vb01);
87 const v128_t vxb1 = wasm_i16x8_extend_high_i8x16(vb01);
88
89 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
90 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
91 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
92 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
93 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
94 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
95
96 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
97 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
98 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
99 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
100 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
101 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
102 const v128_t vb23 = wasm_v128_load((const int8_t*) w + 16);
103 const v128_t vxb2 = wasm_i16x8_extend_low_i8x16(vb23);
104 const v128_t vxb3 = wasm_i16x8_extend_high_i8x16(vb23);
105
106 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
107 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
108 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
109 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
110 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
111 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
112
113 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
114 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 3, 3, 3, 3), vxb3));
115 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
116 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 3, 3, 3, 3), vxb3));
117 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
118 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 3, 3, 3, 3), vxb3));
119
120 w = (const void*) ((const int8_t*) w + 32);
121 k -= 8 * sizeof(int8_t);
122 }
123 if (k != 0) {
124 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
125 a0 = (const int8_t*) ((uintptr_t) a0 + k);
126 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
127 a1 = (const int8_t*) ((uintptr_t) a1 + k);
128 const v128_t vxa2 = wasm_i16x8_load8x8(a2);
129 a2 = (const int8_t*) ((uintptr_t) a2 + k);
130
131 const v128_t vxb0 = wasm_i16x8_load8x8(w);
132 w = (const void*) ((const int8_t*) w + 8);
133
134 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
135 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
136 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
137 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
138 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
139 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
140
141 if (k > 2 * sizeof(int8_t)) {
142 const v128_t vxb1 = wasm_i16x8_load8x8(w);
143 w = (const void*) ((const int8_t*) w + 8);
144
145 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
146 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
147 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
148 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
149 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
150 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
151
152 if (k > 4 * sizeof(int8_t)) {
153 const v128_t vxb2 = wasm_i16x8_load8x8(w);
154 w = (const void*) ((const int8_t*) w + 8);
155
156 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
157 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
158 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
159 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
160 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
161 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
162 }
163 }
164 }
165 p -= 3 * sizeof(void*);
166 } while (p != 0);
167
168 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
169 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
170 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
171
172 const v128_t vscale0123 = wasm_v128_load(w);
173 w = (const void*) ((const float*) w + 4);
174 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale0123);
175 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale0123);
176 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale0123);
177
178 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
179 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
180 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
181 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
182
183 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
184 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
185 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
186 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
187
188 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
189 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
190 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
191 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
192
193 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
194 v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
195
196 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
197
198 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
199 vout = wasm_i8x16_min(vout, voutput_max);
200
201 if (nc >= 4) {
202 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
203 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
204 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
205
206 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
207 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
208 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
209
210 a = (const int8_t**restrict) ((uintptr_t) a - ks);
211
212 nc -= 4;
213 } else {
214 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
215 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
216 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
217 if (nc & 2) {
218 *((uint16_t*) c2) = (uint16_t) vout2;
219 vout2 >>= 16;
220 c2 += 2;
221 *((uint16_t*) c1) = (uint16_t) vout1;
222 vout1 >>= 16;
223 c1 += 2;
224 *((uint16_t*) c0) = (uint16_t) vout0;
225 vout0 >>= 16;
226 c0 += 2;
227 }
228 if (nc & 1) {
229 *c2 = (int8_t) vout2;
230 *c1 = (int8_t) vout1;
231 *c0 = (int8_t) vout0;
232 }
233
234 nc = 0;
235 }
236 } while (nc != 0);
237 }
238