1 // Auto-generated file. Do not edit!
2 // Template: src/f32-dwconv2d-chw/3x3p1-neon.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 <arm_neon.h>
13
14 #include <xnnpack/dwconv.h>
15 #include <xnnpack/math.h>
16
17
xnn_f32_dwconv2d_chw_ukernel_3x3p1__neonfma_3x4(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)])18 void xnn_f32_dwconv2d_chw_ukernel_3x3p1__neonfma_3x4(
19 size_t input_height,
20 size_t input_width,
21 const float* input,
22 const float* weights,
23 const float* zero,
24 float* output,
25 uint32_t padding_top,
26 const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
27 {
28 assert(input_height != 0);
29 assert(input_width != 0);
30 assert(input_width % sizeof(float) == 0);
31 assert(padding_top == 1);
32
33 const uint32x4_t vmask = vld1q_u32(params->neon.mask);
34 const float32x4_t vmax = vld1q_dup_f32(¶ms->neon.max);
35 const float32x4_t vmin = vld1q_dup_f32(¶ms->neon.min);
36
37 const float32x4_t vw0123 = vld1q_f32(weights);
38 const float32x4_t vw4567 = vld1q_f32(weights + 4);
39 const float32x2_t vw89 = vld1_f32(weights + 8);
40
41 const size_t input_decrement = round_up_po2(input_width, 4 * sizeof(float));
42
43 const float* i0 = zero;
44 const float* i1 = input;
45 const float* i2 = (const float*) ((uintptr_t) i1 + input_width);
46 const float* i3 = (const float*) ((uintptr_t) i2 + input_width);
47 const float* i4 = (const float*) ((uintptr_t) i3 + input_width);
48
49 float* o0 = output;
50 float* o1 = (float*) ((uintptr_t) o0 + input_width);
51 float* o2 = (float*) ((uintptr_t) o1 + input_width);
52
53 size_t output_height = input_height;
54 do {
55 if XNN_UNPREDICTABLE(output_height < 2) {
56 i2 = zero;
57 o1 = o0;
58 }
59 if XNN_UNPREDICTABLE(output_height < 3) {
60 i3 = zero;
61 o2 = o1;
62 }
63 if XNN_UNPREDICTABLE(output_height < 4) {
64 i4 = zero;
65 }
66
67 float32x4_t vi0x0123 = vmovq_n_f32(0.0f);
68 float32x4_t vi1x0123 = vmovq_n_f32(0.0f);
69 float32x4_t vi2x0123 = vmovq_n_f32(0.0f);
70 float32x4_t vi3x0123 = vmovq_n_f32(0.0f);
71 float32x4_t vi4x0123 = vmovq_n_f32(0.0f);
72
73 float32x4_t vi0x4567 = vld1q_f32(i0); i0 += 4;
74 float32x4_t vi1x4567 = vld1q_f32(i1); i1 += 4;
75 float32x4_t vi2x4567 = vld1q_f32(i2); i2 += 4;
76 float32x4_t vi3x4567 = vld1q_f32(i3); i3 += 4;
77 float32x4_t vi4x4567 = vld1q_f32(i4); i4 += 4;
78
79 size_t w = input_width;
80 for (; w > 4 * sizeof(float); w -= 4 * sizeof(float)) {
81 float32x4_t vo0p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
82 float32x4_t vo1p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
83 float32x4_t vo2p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
84
85 const float32x4_t vi0x89AB = vld1q_f32(i0); i0 += 4;
86 const float32x4_t vi1x89AB = vld1q_f32(i1); i1 += 4;
87 const float32x4_t vi2x89AB = vld1q_f32(i2); i2 += 4;
88 const float32x4_t vi3x89AB = vld1q_f32(i3); i3 += 4;
89 const float32x4_t vi4x89AB = vld1q_f32(i4); i4 += 4;
90
91 vo0p0 = vfmaq_lane_f32(vo0p0, vi0x4567, vget_high_f32(vw0123), 0);
92 vo1p0 = vfmaq_lane_f32(vo1p0, vi1x4567, vget_high_f32(vw0123), 0);
93 vo2p0 = vfmaq_lane_f32(vo2p0, vi2x4567, vget_high_f32(vw0123), 0);
94
95 vo0p0 = vfmaq_lane_f32(vo0p0, vi1x4567, vget_low_f32(vw4567), 1);
96 vo1p0 = vfmaq_lane_f32(vo1p0, vi2x4567, vget_low_f32(vw4567), 1);
97 vo2p0 = vfmaq_lane_f32(vo2p0, vi3x4567, vget_low_f32(vw4567), 1);
98
99 vo0p0 = vfmaq_lane_f32(vo0p0, vi2x4567, vw89, 0);
100 vo1p0 = vfmaq_lane_f32(vo1p0, vi3x4567, vw89, 0);
101 vo2p0 = vfmaq_lane_f32(vo2p0, vi4x4567, vw89, 0);
102
103 const float32x4_t vi0x3456 = vextq_f32(vi0x0123, vi0x4567, 3);
104 const float32x4_t vi1x3456 = vextq_f32(vi1x0123, vi1x4567, 3);
105 const float32x4_t vi2x3456 = vextq_f32(vi2x0123, vi2x4567, 3);
106 const float32x4_t vi3x3456 = vextq_f32(vi3x0123, vi3x4567, 3);
107 const float32x4_t vi4x3456 = vextq_f32(vi4x0123, vi4x4567, 3);
108
109 vo0p0 = vfmaq_lane_f32(vo0p0, vi0x3456, vget_low_f32(vw0123), 1);
110 vo1p0 = vfmaq_lane_f32(vo1p0, vi1x3456, vget_low_f32(vw0123), 1);
111 vo2p0 = vfmaq_lane_f32(vo2p0, vi2x3456, vget_low_f32(vw0123), 1);
112
113 vo0p0 = vfmaq_lane_f32(vo0p0, vi1x3456, vget_low_f32(vw4567), 0);
114 vo1p0 = vfmaq_lane_f32(vo1p0, vi2x3456, vget_low_f32(vw4567), 0);
115 vo2p0 = vfmaq_lane_f32(vo2p0, vi3x3456, vget_low_f32(vw4567), 0);
116
117 vo0p0 = vfmaq_lane_f32(vo0p0, vi2x3456, vget_high_f32(vw4567), 1);
118 vo1p0 = vfmaq_lane_f32(vo1p0, vi3x3456, vget_high_f32(vw4567), 1);
119 vo2p0 = vfmaq_lane_f32(vo2p0, vi4x3456, vget_high_f32(vw4567), 1);
120
121 vi0x0123 = vi0x4567;
122 vi1x0123 = vi1x4567;
123 vi2x0123 = vi2x4567;
124 vi3x0123 = vi3x4567;
125 vi4x0123 = vi4x4567;
126
127 const float32x4_t vi0x5678 = vextq_f32(vi0x4567, vi0x89AB, 1);
128 const float32x4_t vi1x5678 = vextq_f32(vi1x4567, vi1x89AB, 1);
129 const float32x4_t vi2x5678 = vextq_f32(vi2x4567, vi2x89AB, 1);
130 const float32x4_t vi3x5678 = vextq_f32(vi3x4567, vi3x89AB, 1);
131 const float32x4_t vi4x5678 = vextq_f32(vi4x4567, vi4x89AB, 1);
132
133 vo0p0 = vfmaq_lane_f32(vo0p0, vi0x5678, vget_high_f32(vw0123), 1);
134 vo1p0 = vfmaq_lane_f32(vo1p0, vi1x5678, vget_high_f32(vw0123), 1);
135 vo2p0 = vfmaq_lane_f32(vo2p0, vi2x5678, vget_high_f32(vw0123), 1);
136
137 vo0p0 = vfmaq_lane_f32(vo0p0, vi1x5678, vget_high_f32(vw4567), 0);
138 vo1p0 = vfmaq_lane_f32(vo1p0, vi2x5678, vget_high_f32(vw4567), 0);
139 vo2p0 = vfmaq_lane_f32(vo2p0, vi3x5678, vget_high_f32(vw4567), 0);
140
141 vo0p0 = vfmaq_lane_f32(vo0p0, vi2x5678, vw89, 1);
142 vo1p0 = vfmaq_lane_f32(vo1p0, vi3x5678, vw89, 1);
143 vo2p0 = vfmaq_lane_f32(vo2p0, vi4x5678, vw89, 1);
144
145 vi0x4567 = vi0x89AB;
146 vi1x4567 = vi1x89AB;
147 vi2x4567 = vi2x89AB;
148 vi3x4567 = vi3x89AB;
149 vi4x4567 = vi4x89AB;
150
151
152 float32x4_t vo0 = vmaxq_f32(vo0p0, vmin);
153 float32x4_t vo1 = vmaxq_f32(vo1p0, vmin);
154 float32x4_t vo2 = vmaxq_f32(vo2p0, vmin);
155
156 vo0 = vminq_f32(vo0, vmax);
157 vo1 = vminq_f32(vo1, vmax);
158 vo2 = vminq_f32(vo2, vmax);
159
160 vst1q_f32(o2, vo2); o2 += 4;
161 vst1q_f32(o1, vo1); o1 += 4;
162 vst1q_f32(o0, vo0); o0 += 4;
163 }
164 // Always process the last block of 1..4 pixels.
165 assert(w >= 1 * sizeof(float));
166 assert(w <= 4 * sizeof(float));
167 {
168 float32x4_t vo0p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
169 float32x4_t vo1p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
170 float32x4_t vo2p0 = vdupq_lane_f32(vget_low_f32(vw0123), 0);
171
172 vi0x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi0x4567)));
173 vi1x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi1x4567)));
174 vi2x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi2x4567)));
175 vi3x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi3x4567)));
176 vi4x4567 = vreinterpretq_f32_u32(vandq_u32(vmask, vreinterpretq_u32_f32(vi4x4567)));
177
178 vo0p0 = vfmaq_lane_f32(vo0p0, vi0x4567, vget_high_f32(vw0123), 0);
179 vo1p0 = vfmaq_lane_f32(vo1p0, vi1x4567, vget_high_f32(vw0123), 0);
180 vo2p0 = vfmaq_lane_f32(vo2p0, vi2x4567, vget_high_f32(vw0123), 0);
181
182 vo0p0 = vfmaq_lane_f32(vo0p0, vi1x4567, vget_low_f32(vw4567), 1);
183 vo1p0 = vfmaq_lane_f32(vo1p0, vi2x4567, vget_low_f32(vw4567), 1);
184 vo2p0 = vfmaq_lane_f32(vo2p0, vi3x4567, vget_low_f32(vw4567), 1);
185
186 vo0p0 = vfmaq_lane_f32(vo0p0, vi2x4567, vw89, 0);
187 vo1p0 = vfmaq_lane_f32(vo1p0, vi3x4567, vw89, 0);
188 vo2p0 = vfmaq_lane_f32(vo2p0, vi4x4567, vw89, 0);
189
190 const float32x4_t vi0x3456 = vextq_f32(vi0x0123, vi0x4567, 3);
191 const float32x4_t vi1x3456 = vextq_f32(vi1x0123, vi1x4567, 3);
192 const float32x4_t vi2x3456 = vextq_f32(vi2x0123, vi2x4567, 3);
193 const float32x4_t vi3x3456 = vextq_f32(vi3x0123, vi3x4567, 3);
194 const float32x4_t vi4x3456 = vextq_f32(vi4x0123, vi4x4567, 3);
195
196 vo0p0 = vfmaq_lane_f32(vo0p0, vi0x3456, vget_low_f32(vw0123), 1);
197 vo1p0 = vfmaq_lane_f32(vo1p0, vi1x3456, vget_low_f32(vw0123), 1);
198 vo2p0 = vfmaq_lane_f32(vo2p0, vi2x3456, vget_low_f32(vw0123), 1);
199
200 vo0p0 = vfmaq_lane_f32(vo0p0, vi1x3456, vget_low_f32(vw4567), 0);
201 vo1p0 = vfmaq_lane_f32(vo1p0, vi2x3456, vget_low_f32(vw4567), 0);
202 vo2p0 = vfmaq_lane_f32(vo2p0, vi3x3456, vget_low_f32(vw4567), 0);
203
204 vo0p0 = vfmaq_lane_f32(vo0p0, vi2x3456, vget_high_f32(vw4567), 1);
205 vo1p0 = vfmaq_lane_f32(vo1p0, vi3x3456, vget_high_f32(vw4567), 1);
206 vo2p0 = vfmaq_lane_f32(vo2p0, vi4x3456, vget_high_f32(vw4567), 1);
207
208 const float32x4_t vzero = vmovq_n_f32(0.0f);
209 const float32x4_t vi0x5678 = vextq_f32(vi0x4567, vzero, 1);
210 const float32x4_t vi1x5678 = vextq_f32(vi1x4567, vzero, 1);
211 const float32x4_t vi2x5678 = vextq_f32(vi2x4567, vzero, 1);
212 const float32x4_t vi3x5678 = vextq_f32(vi3x4567, vzero, 1);
213 const float32x4_t vi4x5678 = vextq_f32(vi4x4567, vzero, 1);
214
215 vo0p0 = vfmaq_lane_f32(vo0p0, vi0x5678, vget_high_f32(vw0123), 1);
216 vo1p0 = vfmaq_lane_f32(vo1p0, vi1x5678, vget_high_f32(vw0123), 1);
217 vo2p0 = vfmaq_lane_f32(vo2p0, vi2x5678, vget_high_f32(vw0123), 1);
218
219 vo0p0 = vfmaq_lane_f32(vo0p0, vi1x5678, vget_high_f32(vw4567), 0);
220 vo1p0 = vfmaq_lane_f32(vo1p0, vi2x5678, vget_high_f32(vw4567), 0);
221 vo2p0 = vfmaq_lane_f32(vo2p0, vi3x5678, vget_high_f32(vw4567), 0);
222
223 vo0p0 = vfmaq_lane_f32(vo0p0, vi2x5678, vw89, 1);
224 vo1p0 = vfmaq_lane_f32(vo1p0, vi3x5678, vw89, 1);
225 vo2p0 = vfmaq_lane_f32(vo2p0, vi4x5678, vw89, 1);
226
227
228 float32x4_t vo0 = vmaxq_f32(vo0p0, vmin);
229 float32x4_t vo1 = vmaxq_f32(vo1p0, vmin);
230 float32x4_t vo2 = vmaxq_f32(vo2p0, vmin);
231
232 vo0 = vminq_f32(vo0, vmax);
233 vo1 = vminq_f32(vo1, vmax);
234 vo2 = vminq_f32(vo2, vmax);
235
236 if XNN_LIKELY(w == 4 * sizeof(float)) {
237 vst1q_f32(o2, vo2); o2 += 4;
238 vst1q_f32(o1, vo1); o1 += 4;
239 vst1q_f32(o0, vo0); o0 += 4;
240 } else {
241 float32x2_t vo0_lo = vget_low_f32(vo0);
242 float32x2_t vo1_lo = vget_low_f32(vo1);
243 float32x2_t vo2_lo = vget_low_f32(vo2);
244 if (w & (2 * sizeof(float))) {
245 vst1_f32(o2, vo2_lo); o2 += 2;
246 vst1_f32(o1, vo1_lo); o1 += 2;
247 vst1_f32(o0, vo0_lo); o0 += 2;
248
249 vo0_lo = vget_high_f32(vo0);
250 vo1_lo = vget_high_f32(vo1);
251 vo2_lo = vget_high_f32(vo2);
252 }
253 if (w & (1 * sizeof(float))) {
254 vst1_lane_f32(o2, vo2_lo, 0); o2 += 1;
255 vst1_lane_f32(o1, vo1_lo, 0); o1 += 1;
256 vst1_lane_f32(o0, vo0_lo, 0); o0 += 1;
257 }
258 }
259 }
260
261 i0 = (const float*) ((uintptr_t) i3 - input_decrement);
262 i1 = (const float*) ((uintptr_t) i4 - input_decrement);
263 i2 = (const float*) ((uintptr_t) i1 + input_width);
264 i3 = (const float*) ((uintptr_t) i2 + input_width);
265 i4 = (const float*) ((uintptr_t) i3 + input_width);
266
267 o0 = o2;
268 o1 = (float*) ((uintptr_t) o0 + input_width);
269 o2 = (float*) ((uintptr_t) o1 + input_width);
270
271 output_height = doz(output_height, 3);
272 } while (output_height != 0);
273 }
274