1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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_gemm_xw_minmax_fp32_ukernel_3x4c8__wasmsimd_dot16x2(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)])18 void xnn_qs8_gemm_xw_minmax_fp32_ukernel_3x4c8__wasmsimd_dot16x2(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const int8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30 assert(mr != 0);
31 assert(mr <= 3);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(int8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 kc = round_up_po2(kc, 8);
40 const int8_t* a0 = a;
41 int8_t* c0 = c;
42 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
43 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr < 2) {
45 a1 = a0;
46 c1 = c0;
47 }
48 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 a2 = a1;
52 c2 = c1;
53 }
54
55 do {
56 v128_t vacc0x0 = wasm_v128_load32_zero(w);
57 v128_t vacc0x1 = wasm_v128_load32_zero((const int32_t*) w + 1);
58 v128_t vacc0x2 = wasm_v128_load32_zero((const int32_t*) w + 2);
59 v128_t vacc0x3 = wasm_v128_load32_zero((const int32_t*) w + 3);
60 v128_t vacc1x0 = vacc0x0;
61 v128_t vacc1x1 = vacc0x1;
62 v128_t vacc1x2 = vacc0x2;
63 v128_t vacc1x3 = vacc0x3;
64 v128_t vacc2x0 = vacc0x0;
65 v128_t vacc2x1 = vacc0x1;
66 v128_t vacc2x2 = vacc0x2;
67 v128_t vacc2x3 = vacc0x3;
68 w = (const void*) ((const int32_t*) w + 4);
69
70 size_t k = 0;
71 while (k < kc) {
72 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
73 a0 += 8;
74 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
75 a1 += 8;
76 const v128_t vxa2 = wasm_i16x8_load8x8(a2);
77 a2 += 8;
78
79 const v128_t vxb0 = wasm_v128_load(w);
80
81 vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_dot_i16x8(vxa0, vxb0));
82 vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_dot_i16x8(vxa1, vxb0));
83 vacc2x0 = wasm_i32x4_add(vacc2x0, wasm_i32x4_dot_i16x8(vxa2, vxb0));
84 const v128_t vxb1 = wasm_v128_load((const int16_t*) w + 8);
85
86 vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_dot_i16x8(vxa0, vxb1));
87 vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_dot_i16x8(vxa1, vxb1));
88 vacc2x1 = wasm_i32x4_add(vacc2x1, wasm_i32x4_dot_i16x8(vxa2, vxb1));
89 const v128_t vxb2 = wasm_v128_load((const int16_t*) w + 16);
90
91 vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_dot_i16x8(vxa0, vxb2));
92 vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_dot_i16x8(vxa1, vxb2));
93 vacc2x2 = wasm_i32x4_add(vacc2x2, wasm_i32x4_dot_i16x8(vxa2, vxb2));
94 const v128_t vxb3 = wasm_v128_load((const int16_t*) w + 24);
95
96 vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_dot_i16x8(vxa0, vxb3));
97 vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_dot_i16x8(vxa1, vxb3));
98 vacc2x3 = wasm_i32x4_add(vacc2x3, wasm_i32x4_dot_i16x8(vxa2, vxb3));
99
100 w = (const void*) ((const int16_t*) w + 32);
101 k += 8 * sizeof(int8_t);
102 }
103
104 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));
105 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));
106 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));
107 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));
108 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));
109 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));
110
111 v128_t vacc0x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x02, vacc0x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x02, vacc0x13, 2, 6, 3, 7));
112 v128_t vacc1x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x02, vacc1x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x02, vacc1x13, 2, 6, 3, 7));
113 v128_t vacc2x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc2x02, vacc2x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc2x02, vacc2x13, 2, 6, 3, 7));
114
115 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
116 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
117 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
118
119 const v128_t vscale = wasm_v128_load64_splat(params->fp32_wasmsimd.scale);
120 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale);
121 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale);
122 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale);
123
124 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
125 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
126 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
127 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
128
129 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
130 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
131 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
132 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
133
134 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
135 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
136 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
137 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
138
139 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
140 v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
141
142 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
143
144 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
145 vout = wasm_i8x16_min(vout, voutput_max);
146
147 if (nc >= 4) {
148 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
149 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
150 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
151
152 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
153 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
154 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
155
156 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
157 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
158 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
159
160 nc -= 4;
161 } else {
162 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
163 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
164 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
165 if (nc & 2) {
166 *((uint16_t*) c0) = (uint16_t) vout0;
167 vout0 >>= 16;
168 c0 += 2;
169 *((uint16_t*) c1) = (uint16_t) vout1;
170 vout1 >>= 16;
171 c1 += 2;
172 *((uint16_t*) c2) = (uint16_t) vout2;
173 vout2 >>= 16;
174 c2 += 2;
175 }
176 if (nc & 1) {
177 *c0 = (int8_t) vout0;
178 *c1 = (int8_t) vout1;
179 *c2 = (int8_t) vout2;
180 }
181
182 nc = 0;
183 }
184 } while (nc != 0);
185 }
186