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_qc8_igemm_minmax_fp32_ukernel_2x4c2s4__wasmsimd_dot16x2_ld64(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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qc8_igemm_minmax_fp32_ukernel_2x4c2s4__wasmsimd_dot16x2_ld64(
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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 2);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (2 * 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 int8_t* c0 = c;
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr != 2) {
46 c1 = c0;
47 }
48
49 kc = round_up_po2(kc, 8 * sizeof(int8_t));
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 p = ks;
56 do {
57 const int8_t* restrict a0 = a[0];
58 if XNN_UNPREDICTABLE(a0 != zero) {
59 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
60 }
61 const int8_t* restrict a1 = a[1];
62 if XNN_UNPREDICTABLE(a1 != zero) {
63 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
64 }
65 a += 2;
66
67 size_t k = kc;
68 do {
69 v128_t vxa0 = wasm_i16x8_load8x8(a0);
70 a0 += 8;
71 v128_t vxa1 = wasm_i16x8_load8x8(a1);
72 a1 += 8;
73
74 const v128_t vxb0 = wasm_i16x8_load8x8(w);
75
76 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb0));
77 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
78 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb0));
79 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
80 const v128_t vxb1 = wasm_i16x8_load8x8((const int8_t*) w + 8);
81
82 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb1));
83 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
84 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb1));
85 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
86 const v128_t vxb2 = wasm_i16x8_load8x8((const int8_t*) w + 16);
87
88 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb2));
89 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
90 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb2));
91 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
92 const v128_t vxb3 = wasm_i16x8_load8x8((const int8_t*) w + 24);
93
94 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb3));
95 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb3));
96
97 w = (const int8_t*) w + 32;
98 k -= 8 * sizeof(int8_t);
99 } while (k != 0);
100 p -= 2 * sizeof(void*);
101 } while (p != 0);
102
103 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
104 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
105
106 const v128_t vscale0123 = wasm_v128_load(w);
107 w = (const void*) ((const float*) w + 4);
108 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale0123);
109 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale0123);
110
111 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
112 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
113 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
114
115 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
116 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
117 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
118
119 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
120 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
121 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
122
123 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
124
125 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc01x0123);
126
127 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
128 vout = wasm_i8x16_min(vout, voutput_max);
129
130 if (nc >= 4) {
131 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
132 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
133
134 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
135 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
136
137 a = (const int8_t**restrict) ((uintptr_t) a - ks);
138
139 nc -= 4;
140 } else {
141 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
142 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
143 if (nc & 2) {
144 *((uint16_t*) c1) = (uint16_t) vout1;
145 vout1 >>= 16;
146 c1 += 2;
147 *((uint16_t*) c0) = (uint16_t) vout0;
148 vout0 >>= 16;
149 c0 += 2;
150 }
151 if (nc & 1) {
152 *c1 = (int8_t) vout1;
153 *c0 = (int8_t) vout0;
154 }
155
156 nc = 0;
157 }
158 } while (nc != 0);
159 }
160