1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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/gemm.h>
15 #include <xnnpack/math.h>
16
17
18
xnn_qu8_gemm_minmax_fp32_ukernel_3x4c2s4__wasmsimd_dot16x2_ld64(size_t mr,size_t nc,size_t kc,const uint8_t * restrict a,size_t a_stride,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qu8_gemm_minmax_fp32_ukernel_3x4c2s4__wasmsimd_dot16x2_ld64(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 const uint8_t* restrict a,
24 size_t a_stride,
25 const void* restrict w,
26 uint8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 3);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(kc % sizeof(uint8_t) == 0);
36 assert(a != NULL);
37 assert(w != NULL);
38 assert(c != NULL);
39
40 const uint8_t* a0 = a;
41 uint8_t* c0 = c;
42 const uint8_t* a1 = (const uint8_t*) ((uintptr_t) a0 + a_stride);
43 uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr < 2) {
45 a1 = a0;
46 c1 = c0;
47 }
48 const uint8_t* a2 = (const uint8_t*) ((uintptr_t) a1 + a_stride);
49 uint8_t* c2 = (uint8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 a2 = a1;
52 c2 = c1;
53 }
54
55 kc = round_up_po2(kc, 8 * sizeof(uint8_t));
56 do {
57 v128_t vacc0x0123 = wasm_v128_load(w);
58 v128_t vacc1x0123 = vacc0x0123;
59 v128_t vacc2x0123 = vacc0x0123;
60 w = (const void*) ((const int32_t*) w + 4);
61
62 const v128_t vb_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.kernel_zero_point);
63 size_t k = kc;
64 do {
65 v128_t vxa0 = wasm_u16x8_load8x8((const v128_t*) a0);
66 a0 += 8;
67 v128_t vxa1 = wasm_u16x8_load8x8((const v128_t*) a1);
68 a1 += 8;
69 v128_t vxa2 = wasm_u16x8_load8x8((const v128_t*) a2);
70 a2 += 8;
71
72 const v128_t vxb0 = wasm_i16x8_sub(wasm_u16x8_load8x8(w), vb_zero_point);
73
74 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb0));
75 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
76 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb0));
77 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
78 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb0));
79 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
80 const v128_t vxb1 = wasm_i16x8_sub(wasm_u16x8_load8x8((const uint8_t*) w + 8), vb_zero_point);
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 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb1));
87 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
88 const v128_t vxb2 = wasm_i16x8_sub(wasm_u16x8_load8x8((const uint8_t*) w + 16), vb_zero_point);
89
90 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb2));
91 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
92 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb2));
93 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
94 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb2));
95 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
96 const v128_t vxb3 = wasm_i16x8_sub(wasm_u16x8_load8x8((const uint8_t*) w + 24), vb_zero_point);
97
98 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb3));
99 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb3));
100 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb3));
101
102 w = (const uint8_t*) w + 32;
103 k -= 8 * sizeof(uint8_t);
104 } while (k != 0);
105
106 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
107 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
108 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
109
110 const v128_t vscale = wasm_v128_load64_splat(params->fp32_wasmsimd.scale);
111 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale);
112 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale);
113 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale);
114
115 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
116 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
117 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
118 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
119
120 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
121 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
122 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
123 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
124
125 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
126 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
127 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
128 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
129
130 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
131 v128_t vacc22x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc2x0123);
132
133 v128_t vout = wasm_u8x16_narrow_i16x8(vacc01x0123, vacc22x0123);
134
135 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
136 vout = wasm_u8x16_min(vout, voutput_max);
137
138 if (nc >= 4) {
139 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
140 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
141 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
142
143 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
144 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
145 c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride);
146
147 a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
148 a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
149 a2 = (const uint8_t*) ((uintptr_t) a2 - kc);
150
151 nc -= 4;
152 } else {
153 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
154 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
155 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
156 if (nc & 2) {
157 *((uint16_t*) c0) = (uint16_t) vout0;
158 vout0 >>= 16;
159 c0 += 2;
160 *((uint16_t*) c1) = (uint16_t) vout1;
161 vout1 >>= 16;
162 c1 += 2;
163 *((uint16_t*) c2) = (uint16_t) vout2;
164 vout2 >>= 16;
165 c2 += 2;
166 }
167 if (nc & 1) {
168 *c0 = (uint8_t) vout0;
169 *c1 = (uint8_t) vout1;
170 *c2 = (uint8_t) vout2;
171 }
172
173 nc = 0;
174 }
175 } while (nc != 0);
176 }
177