1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-dwconv/unipass-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/dwconv.h>
15 #include <xnnpack/math.h>
16
17
xnn_qu8_dwconv_minmax_fp32_ukernel_up2x9__scalar_imagic(size_t channels,size_t output_width,const uint8_t ** input,const void * weights,uint8_t * output,size_t input_stride,size_t output_increment,size_t input_offset,const uint8_t * zero,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qu8_dwconv_minmax_fp32_ukernel_up2x9__scalar_imagic(
19 size_t channels,
20 size_t output_width,
21 const uint8_t** input,
22 const void* weights,
23 uint8_t* output,
24 size_t input_stride,
25 size_t output_increment,
26 size_t input_offset,
27 const uint8_t* zero,
28 const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
29 {
30 assert(channels != 0);
31 assert(output_width != 0);
32
33 const float vscale = params->fp32_scalar_imagic.scale;
34 const float vmagic_bias = params->fp32_scalar_imagic.magic_bias;
35 const int32_t vmagic_min = params->fp32_scalar_imagic.magic_min;
36 const int32_t vmagic_max = params->fp32_scalar_imagic.magic_max;
37 const int32_t vmagic_bias_less_zero_point = params->fp32_scalar_imagic.magic_bias_less_zero_point;
38 const int32_t vkernel_zero_point = params->fp32_scalar_imagic.kernel_zero_point;
39 do {
40 const uint8_t* i0 = input[0];
41 assert(i0 != NULL);
42 if XNN_UNPREDICTABLE(i0 != zero) {
43 i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
44 }
45 const uint8_t* i1 = input[1];
46 assert(i1 != NULL);
47 if XNN_UNPREDICTABLE(i1 != zero) {
48 i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
49 }
50 const uint8_t* i2 = input[2];
51 assert(i2 != NULL);
52 if XNN_UNPREDICTABLE(i2 != zero) {
53 i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
54 }
55 const uint8_t* i3 = input[3];
56 assert(i3 != NULL);
57 if XNN_UNPREDICTABLE(i3 != zero) {
58 i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
59 }
60 const uint8_t* i4 = input[4];
61 assert(i4 != NULL);
62 if XNN_UNPREDICTABLE(i4 != zero) {
63 i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
64 }
65 const uint8_t* i5 = input[5];
66 assert(i5 != NULL);
67 if XNN_UNPREDICTABLE(i5 != zero) {
68 i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
69 }
70 const uint8_t* i6 = input[6];
71 assert(i6 != NULL);
72 if XNN_UNPREDICTABLE(i6 != zero) {
73 i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
74 }
75 const uint8_t* i7 = input[7];
76 assert(i7 != NULL);
77 if XNN_UNPREDICTABLE(i7 != zero) {
78 i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
79 }
80 const uint8_t* i8 = input[8];
81 assert(i8 != NULL);
82 if XNN_UNPREDICTABLE(i8 != zero) {
83 i8 = (const uint8_t*) ((uintptr_t) i8 + input_offset);
84 }
85 input = (const uint8_t**) ((uintptr_t) input + input_stride);
86
87 size_t c = channels;
88 const void* w = weights;
89 for (; c >= 2; c -= 2) {
90 int32_t vacc0 = ((const int32_t*) w)[0];
91 int32_t vacc1 = ((const int32_t*) w)[1];
92
93
94 const int32_t vi0x0 = (int32_t) (uint32_t) i0[0];
95 const int32_t vi0x1 = (int32_t) (uint32_t) i0[1];
96 i0 += 2;
97
98 const int32_t vk0x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[0] - vkernel_zero_point;
99 const int32_t vk0x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[1] - vkernel_zero_point;
100
101 vacc0 += vi0x0 * vk0x0;
102 vacc1 += vi0x1 * vk0x1;
103
104 const int32_t vi1x0 = (int32_t) (uint32_t) i1[0];
105 const int32_t vi1x1 = (int32_t) (uint32_t) i1[1];
106 i1 += 2;
107
108 const int32_t vk1x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[2] - vkernel_zero_point;
109 const int32_t vk1x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[3] - vkernel_zero_point;
110
111 vacc0 += vi1x0 * vk1x0;
112 vacc1 += vi1x1 * vk1x1;
113
114 const int32_t vi2x0 = (int32_t) (uint32_t) i2[0];
115 const int32_t vi2x1 = (int32_t) (uint32_t) i2[1];
116 i2 += 2;
117
118 const int32_t vk2x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[4] - vkernel_zero_point;
119 const int32_t vk2x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[5] - vkernel_zero_point;
120
121 vacc0 += vi2x0 * vk2x0;
122 vacc1 += vi2x1 * vk2x1;
123
124 const int32_t vi3x0 = (int32_t) (uint32_t) i3[0];
125 const int32_t vi3x1 = (int32_t) (uint32_t) i3[1];
126 i3 += 2;
127
128 const int32_t vk3x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[6] - vkernel_zero_point;
129 const int32_t vk3x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[7] - vkernel_zero_point;
130
131 vacc0 += vi3x0 * vk3x0;
132 vacc1 += vi3x1 * vk3x1;
133
134 const int32_t vi4x0 = (int32_t) (uint32_t) i4[0];
135 const int32_t vi4x1 = (int32_t) (uint32_t) i4[1];
136 i4 += 2;
137
138 const int32_t vk4x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[8] - vkernel_zero_point;
139 const int32_t vk4x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[9] - vkernel_zero_point;
140
141 vacc0 += vi4x0 * vk4x0;
142 vacc1 += vi4x1 * vk4x1;
143
144 const int32_t vi5x0 = (int32_t) (uint32_t) i5[0];
145 const int32_t vi5x1 = (int32_t) (uint32_t) i5[1];
146 i5 += 2;
147
148 const int32_t vk5x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[10] - vkernel_zero_point;
149 const int32_t vk5x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[11] - vkernel_zero_point;
150
151 vacc0 += vi5x0 * vk5x0;
152 vacc1 += vi5x1 * vk5x1;
153
154 const int32_t vi6x0 = (int32_t) (uint32_t) i6[0];
155 const int32_t vi6x1 = (int32_t) (uint32_t) i6[1];
156 i6 += 2;
157
158 const int32_t vk6x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[12] - vkernel_zero_point;
159 const int32_t vk6x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[13] - vkernel_zero_point;
160
161 vacc0 += vi6x0 * vk6x0;
162 vacc1 += vi6x1 * vk6x1;
163
164 const int32_t vi7x0 = (int32_t) (uint32_t) i7[0];
165 const int32_t vi7x1 = (int32_t) (uint32_t) i7[1];
166 i7 += 2;
167
168 const int32_t vk7x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[14] - vkernel_zero_point;
169 const int32_t vk7x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[15] - vkernel_zero_point;
170
171 vacc0 += vi7x0 * vk7x0;
172 vacc1 += vi7x1 * vk7x1;
173
174 const int32_t vi8x0 = (int32_t) (uint32_t) i8[0];
175 const int32_t vi8x1 = (int32_t) (uint32_t) i8[1];
176 i8 += 2;
177
178 const int32_t vk8x0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[16] - vkernel_zero_point;
179 const int32_t vk8x1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[17] - vkernel_zero_point;
180
181 vacc0 += vi8x0 * vk8x0;
182 vacc1 += vi8x1 * vk8x1;
183
184 w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t) + 18 * sizeof(uint8_t));
185
186 float vfpacc0 = (float) vacc0;
187 float vfpacc1 = (float) vacc1;
188
189 vfpacc0 *= vscale;
190 vfpacc1 *= vscale;
191
192 vfpacc0 += vmagic_bias;
193 vfpacc1 += vmagic_bias;
194
195 int32_t vout0 = (int32_t) fp32_to_bits(vfpacc0);
196 int32_t vout1 = (int32_t) fp32_to_bits(vfpacc1);
197
198 vout0 = math_max_s32(vout0, vmagic_min);
199 vout1 = math_max_s32(vout1, vmagic_min);
200
201 vout0 = math_min_s32(vout0, vmagic_max);
202 vout1 = math_min_s32(vout1, vmagic_max);
203
204 vout0 -= vmagic_bias_less_zero_point;
205 vout1 -= vmagic_bias_less_zero_point;
206
207 output[0] = (uint8_t) vout0;
208 output[1] = (uint8_t) vout1;
209 output += 2;
210 }
211 if XNN_UNLIKELY(c != 0) {
212 int32_t vacc = *((const int32_t*) w);
213
214 const int32_t vi0 = (int32_t) (uint32_t) *i0;
215 const int32_t vk0 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[0] - vkernel_zero_point;
216 vacc += vi0 * vk0;
217 const int32_t vi1 = (int32_t) (uint32_t) *i1;
218 const int32_t vk1 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[2] - vkernel_zero_point;
219 vacc += vi1 * vk1;
220 const int32_t vi2 = (int32_t) (uint32_t) *i2;
221 const int32_t vk2 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[4] - vkernel_zero_point;
222 vacc += vi2 * vk2;
223 const int32_t vi3 = (int32_t) (uint32_t) *i3;
224 const int32_t vk3 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[6] - vkernel_zero_point;
225 vacc += vi3 * vk3;
226 const int32_t vi4 = (int32_t) (uint32_t) *i4;
227 const int32_t vk4 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[8] - vkernel_zero_point;
228 vacc += vi4 * vk4;
229 const int32_t vi5 = (int32_t) (uint32_t) *i5;
230 const int32_t vk5 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[10] - vkernel_zero_point;
231 vacc += vi5 * vk5;
232 const int32_t vi6 = (int32_t) (uint32_t) *i6;
233 const int32_t vk6 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[12] - vkernel_zero_point;
234 vacc += vi6 * vk6;
235 const int32_t vi7 = (int32_t) (uint32_t) *i7;
236 const int32_t vk7 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[14] - vkernel_zero_point;
237 vacc += vi7 * vk7;
238 const int32_t vi8 = (int32_t) (uint32_t) *i8;
239 const int32_t vk8 = (int32_t) (uint32_t) ((const uint8_t*) ((uintptr_t) w + 2 * sizeof(int32_t)))[16] - vkernel_zero_point;
240 vacc += vi8 * vk8;
241
242 float vfpacc = (float) vacc * vscale;
243
244 vfpacc += vmagic_bias;
245 int32_t vout = (int32_t) fp32_to_bits(vfpacc);
246 vout = math_max_s32(vout, vmagic_min);
247 vout = math_min_s32(vout, vmagic_max);
248 vout -= vmagic_bias_less_zero_point;
249
250 *output++ = (uint8_t) vout;
251 }
252
253 output = (uint8_t*) ((uintptr_t) output + output_increment);
254 } while (--output_width != 0);
255 }
256