1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c8-wasmsimd-mul16.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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_mul16_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_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qc8_igemm_minmax_fp32_ukernel_2x4c8__wasmsimd_mul16_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_qs8_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_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) w)[0]);
52 v128_t vacc0x1 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) w)[1]);
53 v128_t vacc0x2 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) w)[2]);
54 v128_t vacc0x3 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, ((const float*) 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 const v128_t vprod0x0 = wasm_i16x8_mul(vxa0, vxb0);
83 vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_extend_low_i16x8(vprod0x0));
84 vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_extend_high_i16x8(vprod0x0));
85 const v128_t vprod1x0 = wasm_i16x8_mul(vxa1, vxb0);
86 vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_extend_low_i16x8(vprod1x0));
87 vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_extend_high_i16x8(vprod1x0));
88 const v128_t vxb1 = wasm_i16x8_load8x8((const int8_t*) w + 8);
89
90 const v128_t vprod0x1 = wasm_i16x8_mul(vxa0, vxb1);
91 vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_extend_low_i16x8(vprod0x1));
92 vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_extend_high_i16x8(vprod0x1));
93 const v128_t vprod1x1 = wasm_i16x8_mul(vxa1, vxb1);
94 vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_extend_low_i16x8(vprod1x1));
95 vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_extend_high_i16x8(vprod1x1));
96 const v128_t vxb2 = wasm_i16x8_load8x8((const int8_t*) w + 16);
97
98 const v128_t vprod0x2 = wasm_i16x8_mul(vxa0, vxb2);
99 vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_extend_low_i16x8(vprod0x2));
100 vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_extend_high_i16x8(vprod0x2));
101 const v128_t vprod1x2 = wasm_i16x8_mul(vxa1, vxb2);
102 vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_extend_low_i16x8(vprod1x2));
103 vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_extend_high_i16x8(vprod1x2));
104 const v128_t vxb3 = wasm_i16x8_load8x8((const int8_t*) w + 24);
105
106 const v128_t vprod0x3 = wasm_i16x8_mul(vxa0, vxb3);
107 vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_extend_low_i16x8(vprod0x3));
108 vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_extend_high_i16x8(vprod0x3));
109 const v128_t vprod1x3 = wasm_i16x8_mul(vxa1, vxb3);
110 vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_extend_low_i16x8(vprod1x3));
111 vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_extend_high_i16x8(vprod1x3));
112
113 w = (const void*) ((const int8_t*) w + 32);
114 k += 8 * sizeof(int8_t);
115 }
116 p -= 2 * sizeof(void*);
117 } while (p != 0);
118
119 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));
120 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));
121 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));
122 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));
123
124 v128_t vacc0x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x02, vacc0x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x02, vacc0x13, 2, 6, 3, 7));
125 v128_t vacc1x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x02, vacc1x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x02, vacc1x13, 2, 6, 3, 7));
126
127 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
128 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
129
130 const v128_t vscale0123 = wasm_v128_load(w);
131 w = (const void*) ((const float*) w + 4);
132 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale0123);
133 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale0123);
134
135 const v128_t vmagic_bias = wasm_v128_load64_splat(params->wasmsimd.magic_bias);
136 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
137 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
138
139 const v128_t vmagic_min = wasm_v128_load64_splat(params->wasmsimd.magic_min);
140 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
141 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
142
143 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->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
147 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
148
149 v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc01x0123);
150
151 const v128_t voutput_max = wasm_v128_load64_splat(params->wasmsimd.output_max);
152 vout = wasm_i8x16_min(vout, voutput_max);
153
154 if (nc >= 4) {
155 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
156 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
157
158 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
159 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
160
161 a = (const int8_t**restrict) ((uintptr_t) a - ks);
162
163 nc -= 4;
164 } else {
165 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
166 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
167 if (nc & 2) {
168 *((uint16_t*) c1) = (uint16_t) vout1;
169 vout1 >>= 16;
170 c1 += 2;
171 *((uint16_t*) c0) = (uint16_t) vout0;
172 vout0 >>= 16;
173 c0 += 2;
174 }
175 if (nc & 1) {
176 *c1 = (int8_t) vout1;
177 *c0 = (int8_t) vout0;
178 }
179
180 nc = 0;
181 }
182 } while (nc != 0);
183 }
184