1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/scalar.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 <fp16.h>
13
14 #include <xnnpack/math.h>
15 #include <xnnpack/gemm.h>
16
17
xnn_qc8_gemm_minmax_fp32_ukernel_3x4__wasm_fmagic(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qc8_gemm_minmax_fp32_ukernel_3x4__wasm_fmagic(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const int8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
29 {
30 assert(mr != 0);
31 assert(mr <= 3);
32 assert(nc != 0);
33 assert(kc != 0);
34
35 const int8_t* a0 = a;
36 int8_t* c0 = c;
37 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
38 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
39 if XNN_UNPREDICTABLE(mr < 2) {
40 a1 = a0;
41 c1 = c0;
42 }
43 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
44 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
45 if XNN_UNPREDICTABLE(mr <= 2) {
46 a2 = a1;
47 c2 = c1;
48 }
49
50 do {
51 int32_t vacc0x0 = ((const int32_t*) w)[0];
52 int32_t vacc0x1 = ((const int32_t*) w)[1];
53 int32_t vacc0x2 = ((const int32_t*) w)[2];
54 int32_t vacc0x3 = ((const int32_t*) w)[3];
55 int32_t vacc1x0 = vacc0x0;
56 int32_t vacc1x1 = vacc0x1;
57 int32_t vacc1x2 = vacc0x2;
58 int32_t vacc1x3 = vacc0x3;
59 int32_t vacc2x0 = vacc0x0;
60 int32_t vacc2x1 = vacc0x1;
61 int32_t vacc2x2 = vacc0x2;
62 int32_t vacc2x3 = vacc0x3;
63 w = (const void*) ((const int32_t*) w + 4);
64
65 size_t k = kc;
66 do {
67 const int32_t va0 = (int32_t) *a0++;
68 const int32_t va1 = (int32_t) *a1++;
69 const int32_t va2 = (int32_t) *a2++;
70
71 const int32_t vb0 = (int32_t) ((const int8_t*) w)[0];
72 const int32_t vb1 = (int32_t) ((const int8_t*) w)[1];
73 const int32_t vb2 = (int32_t) ((const int8_t*) w)[2];
74 const int32_t vb3 = (int32_t) ((const int8_t*) w)[3];
75 w = (const void*) ((const int8_t*) w + 4);
76
77 vacc0x0 += va0 * vb0;
78 vacc0x1 += va0 * vb1;
79 vacc0x2 += va0 * vb2;
80 vacc0x3 += va0 * vb3;
81 vacc1x0 += va1 * vb0;
82 vacc1x1 += va1 * vb1;
83 vacc1x2 += va1 * vb2;
84 vacc1x3 += va1 * vb3;
85 vacc2x0 += va2 * vb0;
86 vacc2x1 += va2 * vb1;
87 vacc2x2 += va2 * vb2;
88 vacc2x3 += va2 * vb3;
89
90 k -= sizeof(int8_t);
91 } while (k != 0);
92
93 float vfpacc0x0 = (float) vacc0x0;
94 float vfpacc0x1 = (float) vacc0x1;
95 float vfpacc0x2 = (float) vacc0x2;
96 float vfpacc0x3 = (float) vacc0x3;
97 float vfpacc1x0 = (float) vacc1x0;
98 float vfpacc1x1 = (float) vacc1x1;
99 float vfpacc1x2 = (float) vacc1x2;
100 float vfpacc1x3 = (float) vacc1x3;
101 float vfpacc2x0 = (float) vacc2x0;
102 float vfpacc2x1 = (float) vacc2x1;
103 float vfpacc2x2 = (float) vacc2x2;
104 float vfpacc2x3 = (float) vacc2x3;
105
106 const float vscale0 = ((const float*) w)[0];
107 vfpacc0x0 *= vscale0;
108 vfpacc1x0 *= vscale0;
109 vfpacc2x0 *= vscale0;
110 const float vscale1 = ((const float*) w)[1];
111 vfpacc0x1 *= vscale1;
112 vfpacc1x1 *= vscale1;
113 vfpacc2x1 *= vscale1;
114 const float vscale2 = ((const float*) w)[2];
115 vfpacc0x2 *= vscale2;
116 vfpacc1x2 *= vscale2;
117 vfpacc2x2 *= vscale2;
118 const float vscale3 = ((const float*) w)[3];
119 vfpacc0x3 *= vscale3;
120 vfpacc1x3 *= vscale3;
121 vfpacc2x3 *= vscale3;
122 w = (const void*) ((const float*) w + 4);
123
124 const float voutput_min_less_zero_point = params->scalar_fmagic.output_min_less_zero_point;
125 vfpacc0x0 = __builtin_wasm_max_f32(vfpacc0x0, voutput_min_less_zero_point);
126 vfpacc0x1 = __builtin_wasm_max_f32(vfpacc0x1, voutput_min_less_zero_point);
127 vfpacc0x2 = __builtin_wasm_max_f32(vfpacc0x2, voutput_min_less_zero_point);
128 vfpacc0x3 = __builtin_wasm_max_f32(vfpacc0x3, voutput_min_less_zero_point);
129 vfpacc1x0 = __builtin_wasm_max_f32(vfpacc1x0, voutput_min_less_zero_point);
130 vfpacc1x1 = __builtin_wasm_max_f32(vfpacc1x1, voutput_min_less_zero_point);
131 vfpacc1x2 = __builtin_wasm_max_f32(vfpacc1x2, voutput_min_less_zero_point);
132 vfpacc1x3 = __builtin_wasm_max_f32(vfpacc1x3, voutput_min_less_zero_point);
133 vfpacc2x0 = __builtin_wasm_max_f32(vfpacc2x0, voutput_min_less_zero_point);
134 vfpacc2x1 = __builtin_wasm_max_f32(vfpacc2x1, voutput_min_less_zero_point);
135 vfpacc2x2 = __builtin_wasm_max_f32(vfpacc2x2, voutput_min_less_zero_point);
136 vfpacc2x3 = __builtin_wasm_max_f32(vfpacc2x3, voutput_min_less_zero_point);
137
138 const float voutput_max_less_zero_point = params->scalar_fmagic.output_max_less_zero_point;
139 vfpacc0x0 = __builtin_wasm_min_f32(vfpacc0x0, voutput_max_less_zero_point);
140 vfpacc0x1 = __builtin_wasm_min_f32(vfpacc0x1, voutput_max_less_zero_point);
141 vfpacc0x2 = __builtin_wasm_min_f32(vfpacc0x2, voutput_max_less_zero_point);
142 vfpacc0x3 = __builtin_wasm_min_f32(vfpacc0x3, voutput_max_less_zero_point);
143 vfpacc1x0 = __builtin_wasm_min_f32(vfpacc1x0, voutput_max_less_zero_point);
144 vfpacc1x1 = __builtin_wasm_min_f32(vfpacc1x1, voutput_max_less_zero_point);
145 vfpacc1x2 = __builtin_wasm_min_f32(vfpacc1x2, voutput_max_less_zero_point);
146 vfpacc1x3 = __builtin_wasm_min_f32(vfpacc1x3, voutput_max_less_zero_point);
147 vfpacc2x0 = __builtin_wasm_min_f32(vfpacc2x0, voutput_max_less_zero_point);
148 vfpacc2x1 = __builtin_wasm_min_f32(vfpacc2x1, voutput_max_less_zero_point);
149 vfpacc2x2 = __builtin_wasm_min_f32(vfpacc2x2, voutput_max_less_zero_point);
150 vfpacc2x3 = __builtin_wasm_min_f32(vfpacc2x3, voutput_max_less_zero_point);
151
152 const float vmagic_bias = params->scalar_fmagic.magic_bias;
153 vfpacc0x0 += vmagic_bias;
154 vfpacc0x1 += vmagic_bias;
155 vfpacc0x2 += vmagic_bias;
156 vfpacc0x3 += vmagic_bias;
157 vfpacc1x0 += vmagic_bias;
158 vfpacc1x1 += vmagic_bias;
159 vfpacc1x2 += vmagic_bias;
160 vfpacc1x3 += vmagic_bias;
161 vfpacc2x0 += vmagic_bias;
162 vfpacc2x1 += vmagic_bias;
163 vfpacc2x2 += vmagic_bias;
164 vfpacc2x3 += vmagic_bias;
165
166 const int32_t vmagic_bias_less_output_zero_point = params->scalar_fmagic.magic_bias_less_output_zero_point;
167 int32_t vout0x0 = (int32_t) fp32_to_bits(vfpacc0x0) - vmagic_bias_less_output_zero_point;
168 int32_t vout0x1 = (int32_t) fp32_to_bits(vfpacc0x1) - vmagic_bias_less_output_zero_point;
169 int32_t vout0x2 = (int32_t) fp32_to_bits(vfpacc0x2) - vmagic_bias_less_output_zero_point;
170 int32_t vout0x3 = (int32_t) fp32_to_bits(vfpacc0x3) - vmagic_bias_less_output_zero_point;
171 int32_t vout1x0 = (int32_t) fp32_to_bits(vfpacc1x0) - vmagic_bias_less_output_zero_point;
172 int32_t vout1x1 = (int32_t) fp32_to_bits(vfpacc1x1) - vmagic_bias_less_output_zero_point;
173 int32_t vout1x2 = (int32_t) fp32_to_bits(vfpacc1x2) - vmagic_bias_less_output_zero_point;
174 int32_t vout1x3 = (int32_t) fp32_to_bits(vfpacc1x3) - vmagic_bias_less_output_zero_point;
175 int32_t vout2x0 = (int32_t) fp32_to_bits(vfpacc2x0) - vmagic_bias_less_output_zero_point;
176 int32_t vout2x1 = (int32_t) fp32_to_bits(vfpacc2x1) - vmagic_bias_less_output_zero_point;
177 int32_t vout2x2 = (int32_t) fp32_to_bits(vfpacc2x2) - vmagic_bias_less_output_zero_point;
178 int32_t vout2x3 = (int32_t) fp32_to_bits(vfpacc2x3) - vmagic_bias_less_output_zero_point;
179
180 if XNN_LIKELY(nc >= 4) {
181 c0[0] = (int8_t) vout0x0;
182 c0[1] = (int8_t) vout0x1;
183 c0[2] = (int8_t) vout0x2;
184 c0[3] = (int8_t) vout0x3;
185 c1[0] = (int8_t) vout1x0;
186 c1[1] = (int8_t) vout1x1;
187 c1[2] = (int8_t) vout1x2;
188 c1[3] = (int8_t) vout1x3;
189 c2[0] = (int8_t) vout2x0;
190 c2[1] = (int8_t) vout2x1;
191 c2[2] = (int8_t) vout2x2;
192 c2[3] = (int8_t) vout2x3;
193
194 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
195 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
196 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
197
198 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
199 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
200 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
201
202 nc -= 4;
203 } else {
204 if (nc & 2) {
205 c0[0] = (int8_t) vout0x0;
206 c0[1] = (int8_t) vout0x1;
207 vout0x0 = vout0x2;
208 c0 += 2;
209 c1[0] = (int8_t) vout1x0;
210 c1[1] = (int8_t) vout1x1;
211 vout1x0 = vout1x2;
212 c1 += 2;
213 c2[0] = (int8_t) vout2x0;
214 c2[1] = (int8_t) vout2x1;
215 vout2x0 = vout2x2;
216 c2 += 2;
217 }
218 if (nc & 1) {
219 c0[0] = (int8_t) vout0x0;
220 c1[0] = (int8_t) vout1x0;
221 c2[0] = (int8_t) vout2x0;
222 }
223
224 nc = 0;
225 }
226 } while (nc != 0);
227 }
228