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_4x4c2s4__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_4x4c2s4__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 <= 4);
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 const uint8_t* a3 = (const uint8_t*) ((uintptr_t) a2 + a_stride);
55 uint8_t* c3 = (uint8_t*) ((uintptr_t) c2 + cm_stride);
56 if XNN_UNPREDICTABLE(mr != 4) {
57 a3 = a2;
58 c3 = c2;
59 }
60
61 kc = round_up_po2(kc, 8 * sizeof(uint8_t));
62 do {
63 v128_t vacc0x0123 = wasm_v128_load(w);
64 v128_t vacc1x0123 = vacc0x0123;
65 v128_t vacc2x0123 = vacc0x0123;
66 v128_t vacc3x0123 = vacc0x0123;
67 w = (const void*) ((const int32_t*) w + 4);
68
69 const v128_t vb_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.kernel_zero_point);
70 size_t k = kc;
71 do {
72 v128_t vxa0 = wasm_u16x8_load8x8((const v128_t*) a0);
73 a0 += 8;
74 v128_t vxa1 = wasm_u16x8_load8x8((const v128_t*) a1);
75 a1 += 8;
76 v128_t vxa2 = wasm_u16x8_load8x8((const v128_t*) a2);
77 a2 += 8;
78 v128_t vxa3 = wasm_u16x8_load8x8((const v128_t*) a3);
79 a3 += 8;
80
81 const v128_t vxb0 = wasm_i16x8_sub(wasm_u16x8_load8x8(w), vb_zero_point);
82
83 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb0));
84 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
85 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb0));
86 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
87 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb0));
88 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
89 vacc3x0123 = wasm_i32x4_add(vacc3x0123, wasm_i32x4_dot_i16x8(vxa3, vxb0));
90 vxa3 = wasm_v32x4_shuffle(vxa3, vxa3, 1, 2, 3, 4);
91 const v128_t vxb1 = wasm_i16x8_sub(wasm_u16x8_load8x8((const uint8_t*) w + 8), vb_zero_point);
92
93 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb1));
94 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
95 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb1));
96 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
97 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb1));
98 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
99 vacc3x0123 = wasm_i32x4_add(vacc3x0123, wasm_i32x4_dot_i16x8(vxa3, vxb1));
100 vxa3 = wasm_v32x4_shuffle(vxa3, vxa3, 1, 2, 3, 4);
101 const v128_t vxb2 = wasm_i16x8_sub(wasm_u16x8_load8x8((const uint8_t*) w + 16), vb_zero_point);
102
103 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb2));
104 vxa0 = wasm_v32x4_shuffle(vxa0, vxa0, 1, 2, 3, 4);
105 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb2));
106 vxa1 = wasm_v32x4_shuffle(vxa1, vxa1, 1, 2, 3, 4);
107 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb2));
108 vxa2 = wasm_v32x4_shuffle(vxa2, vxa2, 1, 2, 3, 4);
109 vacc3x0123 = wasm_i32x4_add(vacc3x0123, wasm_i32x4_dot_i16x8(vxa3, vxb2));
110 vxa3 = wasm_v32x4_shuffle(vxa3, vxa3, 1, 2, 3, 4);
111 const v128_t vxb3 = wasm_i16x8_sub(wasm_u16x8_load8x8((const uint8_t*) w + 24), vb_zero_point);
112
113 vacc0x0123 = wasm_i32x4_add(vacc0x0123, wasm_i32x4_dot_i16x8(vxa0, vxb3));
114 vacc1x0123 = wasm_i32x4_add(vacc1x0123, wasm_i32x4_dot_i16x8(vxa1, vxb3));
115 vacc2x0123 = wasm_i32x4_add(vacc2x0123, wasm_i32x4_dot_i16x8(vxa2, vxb3));
116 vacc3x0123 = wasm_i32x4_add(vacc3x0123, wasm_i32x4_dot_i16x8(vxa3, vxb3));
117
118 w = (const uint8_t*) w + 32;
119 k -= 8 * sizeof(uint8_t);
120 } while (k != 0);
121
122 vacc0x0123 = wasm_f32x4_convert_i32x4(vacc0x0123);
123 vacc1x0123 = wasm_f32x4_convert_i32x4(vacc1x0123);
124 vacc2x0123 = wasm_f32x4_convert_i32x4(vacc2x0123);
125 vacc3x0123 = wasm_f32x4_convert_i32x4(vacc3x0123);
126
127 const v128_t vscale = wasm_v128_load64_splat(params->fp32_wasmsimd.scale);
128 vacc0x0123 = wasm_f32x4_mul(vacc0x0123, vscale);
129 vacc1x0123 = wasm_f32x4_mul(vacc1x0123, vscale);
130 vacc2x0123 = wasm_f32x4_mul(vacc2x0123, vscale);
131 vacc3x0123 = wasm_f32x4_mul(vacc3x0123, vscale);
132
133 const v128_t vmagic_bias = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias);
134 vacc0x0123 = wasm_f32x4_add(vacc0x0123, vmagic_bias);
135 vacc1x0123 = wasm_f32x4_add(vacc1x0123, vmagic_bias);
136 vacc2x0123 = wasm_f32x4_add(vacc2x0123, vmagic_bias);
137 vacc3x0123 = wasm_f32x4_add(vacc3x0123, vmagic_bias);
138
139 const v128_t vmagic_min = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_min);
140 vacc0x0123 = wasm_i32x4_max(vacc0x0123, vmagic_min);
141 vacc1x0123 = wasm_i32x4_max(vacc1x0123, vmagic_min);
142 vacc2x0123 = wasm_i32x4_max(vacc2x0123, vmagic_min);
143 vacc3x0123 = wasm_i32x4_max(vacc3x0123, vmagic_min);
144
145 const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load64_splat(params->fp32_wasmsimd.magic_bias_less_output_zero_point);
146 vacc0x0123 = wasm_i32x4_sub(vacc0x0123, vmagic_bias_less_output_zero_point);
147 vacc1x0123 = wasm_i32x4_sub(vacc1x0123, vmagic_bias_less_output_zero_point);
148 vacc2x0123 = wasm_i32x4_sub(vacc2x0123, vmagic_bias_less_output_zero_point);
149 vacc3x0123 = wasm_i32x4_sub(vacc3x0123, vmagic_bias_less_output_zero_point);
150
151 v128_t vacc01x0123 = wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123);
152 v128_t vacc23x0123 = wasm_i16x8_narrow_i32x4(vacc2x0123, vacc3x0123);
153
154 v128_t vout = wasm_u8x16_narrow_i16x8(vacc01x0123, vacc23x0123);
155
156 const v128_t voutput_max = wasm_v128_load64_splat(params->fp32_wasmsimd.output_max);
157 vout = wasm_u8x16_min(vout, voutput_max);
158
159 if (nc >= 4) {
160 *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0);
161 *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1);
162 *((float*) c2) = (float) wasm_f32x4_extract_lane(vout, 2);
163 *((float*) c3) = (float) wasm_f32x4_extract_lane(vout, 3);
164
165 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
166 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
167 c2 = (uint8_t*) ((uintptr_t) c2 + cn_stride);
168 c3 = (uint8_t*) ((uintptr_t) c3 + cn_stride);
169
170 a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
171 a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
172 a2 = (const uint8_t*) ((uintptr_t) a2 - kc);
173 a3 = (const uint8_t*) ((uintptr_t) a3 - kc);
174
175 nc -= 4;
176 } else {
177 uint32_t vout0 = wasm_i32x4_extract_lane(vout, 0);
178 uint32_t vout1 = wasm_i32x4_extract_lane(vout, 1);
179 uint32_t vout2 = wasm_i32x4_extract_lane(vout, 2);
180 uint32_t vout3 = wasm_i32x4_extract_lane(vout, 3);
181 if (nc & 2) {
182 *((uint16_t*) c0) = (uint16_t) vout0;
183 vout0 >>= 16;
184 c0 += 2;
185 *((uint16_t*) c1) = (uint16_t) vout1;
186 vout1 >>= 16;
187 c1 += 2;
188 *((uint16_t*) c2) = (uint16_t) vout2;
189 vout2 >>= 16;
190 c2 += 2;
191 *((uint16_t*) c3) = (uint16_t) vout3;
192 vout3 >>= 16;
193 c3 += 2;
194 }
195 if (nc & 1) {
196 *c0 = (uint8_t) vout0;
197 *c1 = (uint8_t) vout1;
198 *c2 = (uint8_t) vout2;
199 *c3 = (uint8_t) vout3;
200 }
201
202 nc = 0;
203 }
204 } while (nc != 0);
205 }
206