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_qc8_igemm_minmax_fp32_ukernel_2x4c8__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_2x4c8__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 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
50 do {
51 v128_t vacc0x0 = wasm_v128_load32_zero(w);
52 v128_t vacc0x1 = wasm_v128_load32_zero((const int32_t*) w + 1);
53 v128_t vacc0x2 = wasm_v128_load32_zero((const int32_t*) w + 2);
54 v128_t vacc0x3 = wasm_v128_load32_zero((const int32_t*) w + 3);
55 v128_t vacc1x0 = vacc0x0;
56 v128_t vacc1x1 = vacc0x1;
57 v128_t vacc1x2 = vacc0x2;
58 v128_t vacc1x3 = vacc0x3;
59 w = (const void*) ((const int32_t*) w + 4);
60
61 size_t p = ks;
62 do {
63 const int8_t* restrict a0 = a[0];
64 if XNN_UNPREDICTABLE(a0 != zero) {
65 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
66 }
67 const int8_t* restrict a1 = a[1];
68 if XNN_UNPREDICTABLE(a1 != zero) {
69 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
70 }
71 a += 2;
72
73 size_t k = 0;
74 while (k < kc) {
75 const v128_t vxa0 = wasm_i16x8_load8x8(a0);
76 a0 += 8;
77 const v128_t vxa1 = wasm_i16x8_load8x8(a1);
78 a1 += 8;
79
80 const v128_t vxb0 = wasm_i16x8_load8x8(w);
81
82 vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_dot_i16x8(vxa0, vxb0));
83 vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_dot_i16x8(vxa1, vxb0));
84 const v128_t vxb1 = wasm_i16x8_load8x8((const int8_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 const v128_t vxb2 = wasm_i16x8_load8x8((const int8_t*) w + 16);
89
90 vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_dot_i16x8(vxa0, vxb2));
91 vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_dot_i16x8(vxa1, vxb2));
92 const v128_t vxb3 = wasm_i16x8_load8x8((const int8_t*) w + 24);
93
94 vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_dot_i16x8(vxa0, vxb3));
95 vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_dot_i16x8(vxa1, vxb3));
96
97 w = (const void*) ((const int8_t*) w + 32);
98 k += 8 * sizeof(int8_t);
99 }
100 p -= 2 * sizeof(void*);
101 } while (p != 0);
102
103 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));
104 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));
105 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));
106 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));
107
108 v128_t vacc0x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x02, vacc0x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x02, vacc0x13, 2, 6, 3, 7));
109 v128_t vacc1x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x02, vacc1x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x02, vacc1x13, 2, 6, 3, 7));
110
111 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
112 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
113
114 const v128_t vscale0123 = wasm_v128_load(w);
115 w = (const void*) ((const float*) w + 4);
116 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale0123);
117 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale0123);
118
119 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
120 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
121 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
122
123 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
124 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
125 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
126
127 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
128 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
129 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
130
131 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
132
133 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc01x0123);
134
135 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
136 vout = wasm_i8x16_min(vout, voutput_max);
137
138 if (nc >= 4) {
139 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
140 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
141
142 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
143 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
144
145 a = (const int8_t**restrict) ((uintptr_t) a - ks);
146
147 nc -= 4;
148 } else {
149 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
150 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
151 if (nc & 2) {
152 *((uint16_t*) c1) = (uint16_t) vout1;
153 vout1 >>= 16;
154 c1 += 2;
155 *((uint16_t*) c0) = (uint16_t) vout0;
156 vout0 >>= 16;
157 c0 += 2;
158 }
159 if (nc & 1) {
160 *c1 = (int8_t) vout1;
161 *c0 = (int8_t) vout0;
162 }
163
164 nc = 0;
165 }
166 } while (nc != 0);
167 }
168