1 // Auto-generated file. Do not edit!
2 // Template: src/f32-dwconv2d-chw/5x5s2p2-scalar.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 <xnnpack/dwconv.h>
13 #include <xnnpack/math.h>
14
15
xnn_f32_dwconv2d_chw_ukernel_5x5s2p2__scalar_1x1(size_t input_height,size_t input_width,const float * input,const float * weights,const float * zero,float * output,uint32_t padding_top,const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS (1)])16 void xnn_f32_dwconv2d_chw_ukernel_5x5s2p2__scalar_1x1(
17 size_t input_height,
18 size_t input_width,
19 const float* input,
20 const float* weights,
21 const float* zero,
22 float* output,
23 uint32_t padding_top,
24 const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)])
25 {
26 assert(input_height != 0);
27 assert(input_width != 0);
28 assert(input_width % sizeof(float) == 0);
29 assert(padding_top >= 1);
30 assert(padding_top <= 2);
31
32 const float vmax = params->scalar.max;
33 const float vmin = params->scalar.min;
34
35 const float vbias = weights[0];
36 const float vk00 = weights[1];
37 const float vk01 = weights[2];
38 const float vk02 = weights[3];
39 const float vk03 = weights[4];
40 const float vk04 = weights[5];
41 const float vk10 = weights[6];
42 const float vk11 = weights[7];
43 const float vk12 = weights[8];
44 const float vk13 = weights[9];
45 const float vk14 = weights[10];
46 const float vk20 = weights[11];
47 const float vk21 = weights[12];
48 const float vk22 = weights[13];
49 const float vk23 = weights[14];
50 const float vk24 = weights[15];
51 const float vk30 = weights[16];
52 const float vk31 = weights[17];
53 const float vk32 = weights[18];
54 const float vk33 = weights[19];
55 const float vk34 = weights[20];
56 const float vk40 = weights[21];
57 const float vk41 = weights[22];
58 const float vk42 = weights[23];
59 const float vk43 = weights[24];
60 const float vk44 = weights[25];
61
62 const uint32_t padding_top_less_1 = padding_top - 1;
63
64 const float* i0 = zero;
65 const float* i1 = (const float*) ((uintptr_t) input - ((-padding_top_less_1) & input_width));
66 const float* i2 = (const float*) ((uintptr_t) i1 + input_width);
67 if XNN_UNPREDICTABLE(padding_top_less_1 != 0) {
68 i1 = zero;
69 }
70 const float* i3 = (const float*) ((uintptr_t) i2 + input_width);
71 const float* i4 = (const float*) ((uintptr_t) i3 + input_width);
72
73
74 float* o0 = output;
75
76 size_t padded_input_height = input_height + (padding_top_less_1 + 1) + 2 /* padding bottom */;
77 size_t output_height = (padded_input_height - 5 /* kernel size */ + 2 /* subsampling */) / 2;
78 do {
79 if XNN_UNPREDICTABLE(padded_input_height < 6) {
80 i3 = zero;
81 }
82 if XNN_UNPREDICTABLE(padded_input_height < 7) {
83 i4 = zero;
84 }
85
86 float vi0x0 = 0.0f;
87 float vi1x0 = 0.0f;
88 float vi2x0 = 0.0f;
89 float vi3x0 = 0.0f;
90 float vi4x0 = 0.0f;
91
92 float vi0x1 = 0.0f;
93 float vi1x1 = 0.0f;
94 float vi2x1 = 0.0f;
95 float vi3x1 = 0.0f;
96 float vi4x1 = 0.0f;
97
98 float vi0x2 = *i0++;
99 float vi1x2 = *i1++;
100 float vi2x2 = *i2++;
101 float vi3x2 = *i3++;
102 float vi4x2 = *i4++;
103
104 size_t w = input_width;
105 for (; w > 2 * sizeof(float); w -= 2 * sizeof(float)) {
106 const float vi0x3 = i0[0];
107 const float vi1x3 = i1[0];
108 const float vi2x3 = i2[0];
109 const float vi3x3 = i3[0];
110 const float vi4x3 = i4[0];
111
112 const float vi0x4 = i0[1];
113 i0 += 2;
114 const float vi1x4 = i1[1];
115 i1 += 2;
116 const float vi2x4 = i2[1];
117 i2 += 2;
118 const float vi3x4 = i3[1];
119 i3 += 2;
120 const float vi4x4 = i4[1];
121 i4 += 2;
122
123 float vo0p0 = vbias + vi0x0 * vk00;
124 vo0p0 += vi1x0 * vk10;
125 vo0p0 += vi2x0 * vk20;
126 vo0p0 += vi3x0 * vk30;
127 vo0p0 += vi4x0 * vk40;
128
129 vi0x0 = vi0x2;
130 vi1x0 = vi1x2;
131 vi2x0 = vi2x2;
132 vi3x0 = vi3x2;
133 vi4x0 = vi4x2;
134
135 vo0p0 += vi0x1 * vk01;
136 vo0p0 += vi1x1 * vk11;
137 vo0p0 += vi2x1 * vk21;
138 vo0p0 += vi3x1 * vk31;
139 vo0p0 += vi4x1 * vk41;
140
141 vi0x1 = vi0x3;
142 vi1x1 = vi1x3;
143 vi2x1 = vi2x3;
144 vi3x1 = vi3x3;
145 vi4x1 = vi4x3;
146
147 vo0p0 += vi0x2 * vk02;
148 vo0p0 += vi1x2 * vk12;
149 vo0p0 += vi2x2 * vk22;
150 vo0p0 += vi3x2 * vk32;
151 vo0p0 += vi4x2 * vk42;
152
153 vi0x2 = vi0x4;
154 vi1x2 = vi1x4;
155 vi2x2 = vi2x4;
156 vi3x2 = vi3x4;
157 vi4x2 = vi4x4;
158
159 vo0p0 += vi0x3 * vk03;
160 vo0p0 += vi1x3 * vk13;
161 vo0p0 += vi2x3 * vk23;
162 vo0p0 += vi3x3 * vk33;
163 vo0p0 += vi4x3 * vk43;
164
165 vo0p0 += vi0x4 * vk04;
166 vo0p0 += vi1x4 * vk14;
167 vo0p0 += vi2x4 * vk24;
168 vo0p0 += vi3x4 * vk34;
169 vo0p0 += vi4x4 * vk44;
170
171
172 float vo0 = math_max_f32(vo0p0, vmin);
173
174 vo0 = math_min_f32(vo0, vmax);
175
176 *o0++ = vo0;
177 }
178 if XNN_LIKELY(w == 2 * sizeof(float)) {
179 const float vi0x3 = *i0++;
180 const float vi1x3 = *i1++;
181 const float vi2x3 = *i2++;
182 const float vi3x3 = *i3++;
183 const float vi4x3 = *i4++;
184
185 float vo0p0 = vbias + vi0x0 * vk00;
186 vo0p0 += vi1x0 * vk10;
187 vo0p0 += vi2x0 * vk20;
188 vo0p0 += vi3x0 * vk30;
189 vo0p0 += vi4x0 * vk40;
190
191 vo0p0 += vi0x1 * vk01;
192 vo0p0 += vi1x1 * vk11;
193 vo0p0 += vi2x1 * vk21;
194 vo0p0 += vi3x1 * vk31;
195 vo0p0 += vi4x1 * vk41;
196
197 vo0p0 += vi0x2 * vk02;
198 vo0p0 += vi1x2 * vk12;
199 vo0p0 += vi2x2 * vk22;
200 vo0p0 += vi3x2 * vk32;
201 vo0p0 += vi4x2 * vk42;
202
203 vo0p0 += vi0x3 * vk03;
204 vo0p0 += vi1x3 * vk13;
205 vo0p0 += vi2x3 * vk23;
206 vo0p0 += vi3x3 * vk33;
207 vo0p0 += vi4x3 * vk43;
208
209
210 float vo0 = math_max_f32(vo0p0, vmin);
211
212 vo0 = math_min_f32(vo0, vmax);
213
214 *o0++ = vo0;
215 } else {
216 float vo0p0 = vbias + vi0x0 * vk00;
217 vo0p0 += vi1x0 * vk10;
218 vo0p0 += vi2x0 * vk20;
219 vo0p0 += vi3x0 * vk30;
220 vo0p0 += vi4x0 * vk40;
221
222 vo0p0 += vi0x1 * vk01;
223 vo0p0 += vi1x1 * vk11;
224 vo0p0 += vi2x1 * vk21;
225 vo0p0 += vi3x1 * vk31;
226 vo0p0 += vi4x1 * vk41;
227
228 vo0p0 += vi0x2 * vk02;
229 vo0p0 += vi1x2 * vk12;
230 vo0p0 += vi2x2 * vk22;
231 vo0p0 += vi3x2 * vk32;
232 vo0p0 += vi4x2 * vk42;
233
234
235 float vo0 = math_max_f32(vo0p0, vmin);
236
237 vo0 = math_min_f32(vo0, vmax);
238
239 *o0++ = vo0;
240 }
241
242 i0 = (const float*) ((uintptr_t) i2 - input_width);
243 i1 = (const float*) ((uintptr_t) i2);
244 i2 = (const float*) ((uintptr_t) i3);
245 i3 = (const float*) ((uintptr_t) i4);
246 i4 = (const float*) ((uintptr_t) i3 + input_width);
247
248
249 output_height -= 1;
250 padded_input_height -= 2;
251 } while (output_height != 0);
252 }
253