1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c2s4-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_qu8_igemm_minmax_fp32_ukernel_3x4c2s4__wasmsimd_dot16x2_ld128(size_t mr,size_t nc,size_t kc,size_t ks,const uint8_t ** restrict a,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const uint8_t * zero,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qu8_igemm_minmax_fp32_ukernel_3x4c2s4__wasmsimd_dot16x2_ld128(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const uint8_t** restrict a,
24 const void* restrict w,
25 uint8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const uint8_t* zero,
30 const union xnn_qu8_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(uint8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 uint8_t* c0 = c;
44 uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr < 2) {
46 c1 = c0;
47 }
48 uint8_t* c2 = (uint8_t*) ((uintptr_t) c1 + cm_stride);
49 if XNN_UNPREDICTABLE(mr <= 2) {
50 c2 = c1;
51 }
52
53 kc = round_up_po2(kc, 8 * sizeof(uint8_t));
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 uint8_t* restrict a0 = a[0];
63 if XNN_UNPREDICTABLE(a0 != zero) {
64 a0 = (const uint8_t*) ((uintptr_t) a0 + a_offset);
65 }
66 const uint8_t* restrict a1 = a[1];
67 if XNN_UNPREDICTABLE(a1 != zero) {
68 a1 = (const uint8_t*) ((uintptr_t) a1 + a_offset);
69 }
70 const uint8_t* restrict a2 = a[2];
71 if XNN_UNPREDICTABLE(a2 != zero) {
72 a2 = (const uint8_t*) ((uintptr_t) a2 + a_offset);
73 }
74 a += 3;
75
76 const v128_t vb_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.kernel_zero_point);
77 size_t k = kc;
78 do {
79 v128_t vxa0 = wasm_u16x8_load8x8(a0);
80 a0 += 8;
81 v128_t vxa1 = wasm_u16x8_load8x8(a1);
82 a1 += 8;
83 v128_t vxa2 = wasm_u16x8_load8x8(a2);
84 a2 += 8;
85
86 const v128_t vb01 = wasm_v128_load(w);
87 const v128_t vxb0 = wasm_i16x8_sub(wasm_u16x8_extend_low_u8x16(vb01), vb_zero_point);
88 const v128_t vxb1 = wasm_i16x8_sub(wasm_u16x8_extend_high_u8x16(vb01), vb_zero_point);
89
90 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb0));
91 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
92 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb0));
93 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
94 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb0));
95 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
96
97 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb1));
98 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
99 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb1));
100 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
101 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb1));
102 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
103 const v128_t vb23 = wasm_v128_load((const uint8_t*) w + 16);
104 const v128_t vxb2 = wasm_i16x8_sub(wasm_u16x8_extend_low_u8x16(vb23), vb_zero_point);
105 const v128_t vxb3 = wasm_i16x8_sub(wasm_u16x8_extend_high_u8x16(vb23), vb_zero_point);
106
107 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb2));
108 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
109 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb2));
110 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
111 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb2));
112 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
113
114 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb3));
115 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb3));
116 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb3));
117
118 w = (const uint8_t*) w + 32;
119 k -= 8 * sizeof(uint8_t);
120 } while (k != 0);
121 p -= 3 * sizeof(void*);
122 } while (p != 0);
123
124 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
125 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
126 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
127
128 const v128_t vscale = wasm_v128_load64_splat(params->fp32_wasmsimd.scale);
129 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale);
130 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale);
131 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale);
132
133 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
134 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
135 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
136 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
137
138 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
139 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
140 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
141 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
142
143 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
144 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
145 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
146 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
147
148 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
149 v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
150
151 v128_t vout = wasm_u8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
152
153 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
154 vout = wasm_u8x16_min(vout, voutput_max);
155
156 if (nc >= 4) {
157 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
158 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
159 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
160
161 c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride);
162 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
163 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
164
165 a = (const uint8_t**restrict) ((uintptr_t) a - ks);
166
167 nc -= 4;
168 } else {
169 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
170 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
171 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
172 if (nc & 2) {
173 *((uint16_t*) c2) = (uint16_t) vout2;
174 vout2 >>= 16;
175 c2 += 2;
176 *((uint16_t*) c1) = (uint16_t) vout1;
177 vout1 >>= 16;
178 c1 += 2;
179 *((uint16_t*) c0) = (uint16_t) vout0;
180 vout0 >>= 16;
181 c0 += 2;
182 }
183 if (nc & 1) {
184 *c2 = (uint8_t) vout2;
185 *c1 = (uint8_t) vout1;
186 *c0 = (uint8_t) vout0;
187 }
188
189 nc = 0;
190 }
191 } while (nc != 0);
192 }
193