1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c8-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
xnn_qs8_igemm_minmax_fp32_ukernel_4x4c8__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_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_fp32_ukernel_4x4c8__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_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 4);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (4 * 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, 8);
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 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
54 if XNN_UNPREDICTABLE(mr != 4) {
55 c3 = c2;
56 }
57
58 do {
59 v128_t vacc0x0 = wasm_v128_load32_zero(w);
60 v128_t vacc0x1 = wasm_v128_load32_zero((const int32_t*) w + 1);
61 v128_t vacc0x2 = wasm_v128_load32_zero((const int32_t*) w + 2);
62 v128_t vacc0x3 = wasm_v128_load32_zero((const int32_t*) w + 3);
63 v128_t vacc1x0 = vacc0x0;
64 v128_t vacc1x1 = vacc0x1;
65 v128_t vacc1x2 = vacc0x2;
66 v128_t vacc1x3 = vacc0x3;
67 v128_t vacc2x0 = vacc0x0;
68 v128_t vacc2x1 = vacc0x1;
69 v128_t vacc2x2 = vacc0x2;
70 v128_t vacc2x3 = vacc0x3;
71 v128_t vacc3x0 = vacc0x0;
72 v128_t vacc3x1 = vacc0x1;
73 v128_t vacc3x2 = vacc0x2;
74 v128_t vacc3x3 = vacc0x3;
75 w = (const void*) ((const int32_t*) w + 4);
76
77 size_t p = ks;
78 do {
79 const int8_t* restrict a0 = a[0];
80 if XNN_UNPREDICTABLE(a0 != zero) {
81 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
82 }
83 const int8_t* restrict a1 = a[1];
84 if XNN_UNPREDICTABLE(a1 != zero) {
85 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
86 }
87 const int8_t* restrict a2 = a[2];
88 if XNN_UNPREDICTABLE(a2 != zero) {
89 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
90 }
91 const int8_t* restrict a3 = a[3];
92 if XNN_UNPREDICTABLE(a3 != zero) {
93 a3 = (const int8_t*) ((uintptr_t) a3 + a_offset);
94 }
95 a += 4;
96
97 size_t k = 0;
98 while (k < kc) {
99 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
100 a0 += 8;
101 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
102 a1 += 8;
103 const v128_t vxa2 = wasm_i16x8_load8x8(a2);
104 a2 += 8;
105 const v128_t vxa3 = wasm_i16x8_load8x8(a3);
106 a3 += 8;
107
108 const v128_t vb01 = wasm_v128_load(w);
109 const v128_t vxb0 = wasm_i16x8_extend_low_i8x16(vb01);
110 const v128_t vxb1 = wasm_i16x8_extend_high_i8x16(vb01);
111
112 vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_dot_i16x8(vxa0, vxb0));
113 vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_dot_i16x8(vxa0, vxb1));
114 vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_dot_i16x8(vxa1, vxb0));
115 vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_dot_i16x8(vxa1, vxb1));
116 vacc2x0 = wasm_i32x4_add(vacc2x0, wasm_i32x4_dot_i16x8(vxa2, vxb0));
117 vacc2x1 = wasm_i32x4_add(vacc2x1, wasm_i32x4_dot_i16x8(vxa2, vxb1));
118 vacc3x0 = wasm_i32x4_add(vacc3x0, wasm_i32x4_dot_i16x8(vxa3, vxb0));
119 vacc3x1 = wasm_i32x4_add(vacc3x1, wasm_i32x4_dot_i16x8(vxa3, vxb1));
120 const v128_t vb23 = wasm_v128_load((const int8_t*) w + 16);
121 const v128_t vxb2 = wasm_i16x8_extend_low_i8x16(vb23);
122 const v128_t vxb3 = wasm_i16x8_extend_high_i8x16(vb23);
123
124 vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_dot_i16x8(vxa0, vxb2));
125 vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_dot_i16x8(vxa0, vxb3));
126 vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_dot_i16x8(vxa1, vxb2));
127 vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_dot_i16x8(vxa1, vxb3));
128 vacc2x2 = wasm_i32x4_add(vacc2x2, wasm_i32x4_dot_i16x8(vxa2, vxb2));
129 vacc2x3 = wasm_i32x4_add(vacc2x3, wasm_i32x4_dot_i16x8(vxa2, vxb3));
130 vacc3x2 = wasm_i32x4_add(vacc3x2, wasm_i32x4_dot_i16x8(vxa3, vxb2));
131 vacc3x3 = wasm_i32x4_add(vacc3x3, wasm_i32x4_dot_i16x8(vxa3, vxb3));
132
133 w = (const void*) ((const int8_t*) w + 32);
134 k += 8 * sizeof(int8_t);
135 }
136 p -= 4 * sizeof(void*);
137 } while (p != 0);
138
139 const v128_t vacc0x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x0, vacc0x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x0, vacc0x2, 2, 6, 3, 7));
140 const v128_t vacc0x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x1, vacc0x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x1, vacc0x3, 2, 6, 3, 7));
141 const v128_t vacc1x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x0, vacc1x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x0, vacc1x2, 2, 6, 3, 7));
142 const v128_t vacc1x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x1, vacc1x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x1, vacc1x3, 2, 6, 3, 7));
143 const v128_t vacc2x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc2x0, vacc2x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc2x0, vacc2x2, 2, 6, 3, 7));
144 const v128_t vacc2x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc2x1, vacc2x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc2x1, vacc2x3, 2, 6, 3, 7));
145 const v128_t vacc3x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc3x0, vacc3x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc3x0, vacc3x2, 2, 6, 3, 7));
146 const v128_t vacc3x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc3x1, vacc3x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc3x1, vacc3x3, 2, 6, 3, 7));
147
148 v128_t vacc0x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x02, vacc0x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x02, vacc0x13, 2, 6, 3, 7));
149 v128_t vacc1x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x02, vacc1x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x02, vacc1x13, 2, 6, 3, 7));
150 v128_t vacc2x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc2x02, vacc2x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc2x02, vacc2x13, 2, 6, 3, 7));
151 v128_t vacc3x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc3x02, vacc3x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc3x02, vacc3x13, 2, 6, 3, 7));
152
153 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
154 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
155 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
156 vacc3x0123 = wasm_f32x4_convert_i32x4(vacc3x0123);
157
158 const v128_t vscale = wasm_v128_load64_splat(params->fp32_wasmsimd.scale);
159 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale);
160 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale);
161 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale);
162 vacc3x0123 = wasm_f32x4_mul(vacc3x0123, vscale);
163
164 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
165 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
166 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
167 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
168 vacc3x0123 = wasm_f32x4_add(vacc3x0123, vmagic_bias);
169
170 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
171 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
172 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
173 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
174 vacc3x0123 = wasm_i32x4_max(vacc3x0123, vmagic_min);
175
176 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
177 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
178 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
179 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
180 vacc3x0123 = wasm_i32x4_sub(vacc3x0123, vmagic_bias_less_output_zero_point);
181
182 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
183 v128_t vacc23x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc3x0123);
184
185 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc23x0123);
186
187 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
188 vout = wasm_i8x16_min(vout, voutput_max);
189
190 if (nc >= 4) {
191 *((float*) c3) = (float) wasm_f32x4_extract_lane(vout, 3);
192 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
193 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
194 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
195
196 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
197 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
198 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
199 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
200
201 a = (const int8_t**restrict) ((uintptr_t) a - ks);
202
203 nc -= 4;
204 } else {
205 uint32_t vout3 = wasm_i32x4_extract_lane(vout, 3);
206 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
207 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
208 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
209 if (nc & 2) {
210 *((uint16_t*) c3) = (uint16_t) vout3;
211 vout3 >>= 16;
212 c3 += 2;
213 *((uint16_t*) c2) = (uint16_t) vout2;
214 vout2 >>= 16;
215 c2 += 2;
216 *((uint16_t*) c1) = (uint16_t) vout1;
217 vout1 >>= 16;
218 c1 += 2;
219 *((uint16_t*) c0) = (uint16_t) vout0;
220 vout0 >>= 16;
221 c0 += 2;
222 }
223 if (nc & 1) {
224 *c3 = (int8_t) vout3;
225 *c2 = (int8_t) vout2;
226 *c1 = (int8_t) vout1;
227 *c0 = (int8_t) vout0;
228 }
229
230 nc = 0;
231 }
232 } while (nc != 0);
233 }
234