1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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/gemm.h>
15 #include <xnnpack/math.h>
16
17
18
xnn_qs8_gemm_minmax_fp32_ukernel_3x4c2__wasmsimd_dot16x2_ld128(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qs8_gemm_minmax_fp32_ukernel_3x4c2__wasmsimd_dot16x2_ld128(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 const int8_t* restrict a,
24 size_t a_stride,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 3);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(kc % sizeof(int8_t) == 0);
36 assert(a != NULL);
37 assert(w != NULL);
38 assert(c != NULL);
39
40 kc = round_up_po2(kc, 2);
41 const int8_t* a0 = a;
42 int8_t* c0 = c;
43 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr < 2) {
46 a1 = a0;
47 c1 = c0;
48 }
49 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
50 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
51 if XNN_UNPREDICTABLE(mr <= 2) {
52 a2 = a1;
53 c2 = c1;
54 }
55
56 do {
57 v128_t vacc0x0123 = wasm_v128_load(w);
58 v128_t vacc1x0123 = vacc0x0123;
59 v128_t vacc2x0123 = vacc0x0123;
60 w = (const void*) ((const int32_t*) w + 4);
61
62 size_t k = kc;
63 while (k >= 8 * sizeof(int8_t)) {
64 const v128_t vxa0 = wasm_i16x8_load8x8((const v128_t*) a0);
65 a0 += 8;
66 const v128_t vxa1 = wasm_i16x8_load8x8((const v128_t*) a1);
67 a1 += 8;
68 const v128_t vxa2 = wasm_i16x8_load8x8((const v128_t*) a2);
69 a2 += 8;
70
71 const v128_t vb01 = wasm_v128_load(w);
72 const v128_t vxb0 = wasm_i16x8_extend_low_i8x16(vb01);
73 const v128_t vxb1 = wasm_i16x8_extend_high_i8x16(vb01);
74
75 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
76 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
77 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
78 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
79 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
80 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
81
82 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
83 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
84 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
85 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
86 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
87 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
88 const v128_t vb23 = wasm_v128_load((const int8_t*) w + 16);
89 const v128_t vxb2 = wasm_i16x8_extend_low_i8x16(vb23);
90 const v128_t vxb3 = wasm_i16x8_extend_high_i8x16(vb23);
91
92 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
93 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
94 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
95 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
96 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
97 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
98
99 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
100 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 3, 3, 3, 3), vxb3));
101 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
102 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 3, 3, 3, 3), vxb3));
103 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
104 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 3, 3, 3, 3), vxb3));
105
106 w = (const void*) ((const int8_t*) w + 32);
107 k -= 8 * sizeof(int8_t);
108 }
109 if (k != 0) {
110 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
111 a0 = (const int8_t*) ((uintptr_t) a0 + k);
112 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
113 a1 = (const int8_t*) ((uintptr_t) a1 + k);
114 const v128_t vxa2 = wasm_i16x8_load8x8(a2);
115 a2 = (const int8_t*) ((uintptr_t) a2 + k);
116
117 const v128_t vxb0 = wasm_i16x8_load8x8(w);
118 w = (const void*) ((const int8_t*) w + 8);
119
120 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
121 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
122 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
123 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
124 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
125 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 0, 0, 0, 0), vxb0));
126
127 if (k > 2 * sizeof(int8_t)) {
128 const v128_t vxb1 = wasm_i16x8_load8x8(w);
129 w = (const void*) ((const int8_t*) w + 8);
130
131 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
132 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
133 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
134 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
135 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
136 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 1, 1, 1, 1), vxb1));
137
138 if (k > 4 * sizeof(int8_t)) {
139 const v128_t vxb2 = wasm_i16x8_load8x8(w);
140 w = (const void*) ((const int8_t*) w + 8);
141
142 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
143 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
144 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
145 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
146 vacc2x0123 = wasm_i32x4_add(vacc2x0123,
147 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa2, vxa2, 2, 2, 2, 2), vxb2));
148 }
149 }
150 }
151
152 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
153 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
154 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
155
156 const v128_t vscale = wasm_v128_load64_splat(params->fp32_wasmsimd.scale);
157 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale);
158 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale);
159 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale);
160
161 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
162 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
163 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
164 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
165
166 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
167 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
168 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
169 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
170
171 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
172 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
173 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
174 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
175
176 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
177 v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
178
179 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
180
181 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
182 vout = wasm_i8x16_min(vout, voutput_max);
183
184 if (nc >= 4) {
185 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
186 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
187 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
188
189 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
190 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
191 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
192
193 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
194 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
195 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
196
197 nc -= 4;
198 } else {
199 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
200 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
201 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
202 if (nc & 2) {
203 *((uint16_t*) c0) = (uint16_t) vout0;
204 vout0 >>= 16;
205 c0 += 2;
206 *((uint16_t*) c1) = (uint16_t) vout1;
207 vout1 >>= 16;
208 c1 += 2;
209 *((uint16_t*) c2) = (uint16_t) vout2;
210 vout2 >>= 16;
211 c2 += 2;
212 }
213 if (nc & 1) {
214 *c0 = (int8_t) vout0;
215 *c1 = (int8_t) vout1;
216 *c2 = (int8_t) vout2;
217 }
218
219 nc = 0;
220 }
221 } while (nc != 0);
222 }
223