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_2x4c2__wasmsimd_dot16x2_ld64(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_2x4c2__wasmsimd_dot16x2_ld64(
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 <= 2);
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
50 do {
51 v128_t vacc0x0123 = wasm_v128_load(w);
52 v128_t vacc1x0123 = vacc0x0123;
53 w = (const void*) ((const int32_t*) w + 4);
54
55 size_t k = kc;
56 while (k >= 8 * sizeof(int8_t)) {
57 const v128_t vxa0 = wasm_i16x8_load8x8((const v128_t*) a0);
58 a0 += 8;
59 const v128_t vxa1 = wasm_i16x8_load8x8((const v128_t*) a1);
60 a1 += 8;
61
62 const v128_t vxb0 = wasm_i16x8_load8x8(w);
63
64 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
65 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
66 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
67 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
68 const v128_t vxb1 = wasm_i16x8_load8x8((const int8_t*) w + 8);
69
70 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
71 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
72 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
73 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
74 const v128_t vxb2 = wasm_i16x8_load8x8((const int8_t*) w + 16);
75
76 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
77 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
78 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
79 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
80 const v128_t vxb3 = wasm_i16x8_load8x8((const int8_t*) w + 24);
81
82 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
83 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 3, 3, 3, 3), vxb3));
84 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
85 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 3, 3, 3, 3), vxb3));
86
87 w = (const void*) ((const int8_t*) w + 32);
88 k -= 8 * sizeof(int8_t);
89 }
90 if (k != 0) {
91 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
92 a0 = (const int8_t*) ((uintptr_t) a0 + k);
93 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
94 a1 = (const int8_t*) ((uintptr_t) a1 + k);
95
96 const v128_t vxb0 = wasm_i16x8_load8x8(w);
97 w = (const void*) ((const int8_t*) w + 8);
98
99 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
100 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 0, 0, 0, 0), vxb0));
101 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
102 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 0, 0, 0, 0), vxb0));
103
104 if (k > 2 * sizeof(int8_t)) {
105 const v128_t vxb1 = wasm_i16x8_load8x8(w);
106 w = (const void*) ((const int8_t*) w + 8);
107
108 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
109 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 1, 1, 1, 1), vxb1));
110 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
111 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 1, 1, 1, 1), vxb1));
112
113 if (k > 4 * sizeof(int8_t)) {
114 const v128_t vxb2 = wasm_i16x8_load8x8(w);
115 w = (const void*) ((const int8_t*) w + 8);
116
117 vacc0x0123 = wasm_i32x4_add(vacc0x0123,
118 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa0, vxa0, 2, 2, 2, 2), vxb2));
119 vacc1x0123 = wasm_i32x4_add(vacc1x0123,
120 wasm_i32x4_dot_i16x8(wasm_v32x4_shuffle(vxa1, vxa1, 2, 2, 2, 2), vxb2));
121 }
122 }
123 }
124
125 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
126 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
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
132 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
133 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
134 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
135
136 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
137 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
138 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
139
140 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
141 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
142 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
143
144 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
145
146 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc01x0123);
147
148 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
149 vout = wasm_i8x16_min(vout, voutput_max);
150
151 if (nc >= 4) {
152 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
153 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
154
155 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
156 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
157
158 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
159 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
160
161 nc -= 4;
162 } else {
163 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
164 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
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 }
173 if (nc & 1) {
174 *c0 = (int8_t) vout0;
175 *c1 = (int8_t) vout1;
176 }
177
178 nc = 0;
179 }
180 } while (nc != 0);
181 }
182