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_ld64(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_ld64(
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 vxb0 = wasm_i16x8_load8x8(w);
86
87 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
88 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
89 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
90 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
91 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
92 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
93 const v128_t vxb1 = wasm_i16x8_load8x8((const int8_t*) w + 8);
94
95 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
96 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
97 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
98 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
99 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
100 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
101 const v128_t vxb2 = wasm_i16x8_load8x8((const int8_t*) w + 16);
102
103 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
104 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
105 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
106 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
107 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
108 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
109 const v128_t vxb3 = wasm_i16x8_load8x8((const int8_t*) w + 24);
110
111 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
112 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 3, 3, 3, 3), vxb3));
113 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
114 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 3, 3, 3, 3), vxb3));
115 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
116 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 3, 3, 3, 3), vxb3));
117
118 w = (const void*) ((const int8_t*) w + 32);
119 k -= 8 * sizeof(int8_t);
120 }
121 if (k != 0) {
122 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
123 a0 = (const int8_t*) ((uintptr_t) a0 + k);
124 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
125 a1 = (const int8_t*) ((uintptr_t) a1 + k);
126 const v128_t vxa2 = wasm_i16x8_load8x8(a2);
127 a2 = (const int8_t*) ((uintptr_t) a2 + k);
128
129 const v128_t vxb0 = wasm_i16x8_load8x8(w);
130 w = (const void*) ((const int8_t*) w + 8);
131
132 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
133 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
134 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
135 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
136 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
137 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
138
139 if (k > 2 * sizeof(int8_t)) {
140 const v128_t vxb1 = wasm_i16x8_load8x8(w);
141 w = (const void*) ((const int8_t*) w + 8);
142
143 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
144 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
145 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
146 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
147 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
148 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
149
150 if (k > 4 * sizeof(int8_t)) {
151 const v128_t vxb2 = wasm_i16x8_load8x8(w);
152 w = (const void*) ((const int8_t*) w + 8);
153
154 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
155 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
156 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
157 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
158 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
159 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
160 }
161 }
162 }
163 p -= 3 * sizeof(void*);
164 } while (p != 0);
165
166 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
167 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
168 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
169
170 const v128_t vscale0123 = wasm_v128_load(w);
171 w = (const void*) ((const float*) w + 4);
172 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale0123);
173 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale0123);
174 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale0123);
175
176 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
177 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
178 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
179 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
180
181 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
182 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
183 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
184 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
185
186 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
187 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
188 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
189 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
190
191 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
192 v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
193
194 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
195
196 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
197 vout = wasm_i8x16_min(vout, voutput_max);
198
199 if (nc >= 4) {
200 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
201 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
202 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
203
204 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
205 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
206 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
207
208 a = (const int8_t**restrict) ((uintptr_t) a - ks);
209
210 nc -= 4;
211 } else {
212 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
213 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
214 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
215 if (nc & 2) {
216 *((uint16_t*) c2) = (uint16_t) vout2;
217 vout2 >>= 16;
218 c2 += 2;
219 *((uint16_t*) c1) = (uint16_t) vout1;
220 vout1 >>= 16;
221 c1 += 2;
222 *((uint16_t*) c0) = (uint16_t) vout0;
223 vout0 >>= 16;
224 c0 += 2;
225 }
226 if (nc & 1) {
227 *c2 = (int8_t) vout2;
228 *c1 = (int8_t) vout1;
229 *c0 = (int8_t) vout0;
230 }
231
232 nc = 0;
233 }
234 } while (nc != 0);
235 }
236