File size: 18,272 Bytes
8b7c501
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
// Auto-generated file. Do not edit!
//   Template: src/f16-gavgpool/multipass-neonfp16arith.c.in
//   Generator: tools/xngen
//
// Copyright 2020 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.

#include <assert.h>

#include <arm_neon.h>

#include <xnnpack/gavgpool.h>
#include <xnnpack/math.h>


void xnn_f16_gavgpool_minmax_ukernel_7p7x__neonfp16arith_c24(
    size_t rows,
    size_t channels,
    const void* input,
    size_t input_stride,
    const void* zero,
    void* buffer,
    void* output,
    const union xnn_f16_scaleminmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
  assert(rows > 7);
  assert(channels != 0);

  const uint16_t* i0 = input;
  const uint16_t* i1 = (const uint16_t*) ((uintptr_t) i0 + input_stride);
  const uint16_t* i2 = (const uint16_t*) ((uintptr_t) i1 + input_stride);
  const uint16_t* i3 = (const uint16_t*) ((uintptr_t) i2 + input_stride);
  const uint16_t* i4 = (const uint16_t*) ((uintptr_t) i3 + input_stride);
  const uint16_t* i5 = (const uint16_t*) ((uintptr_t) i4 + input_stride);
  const uint16_t* i6 = (const uint16_t*) ((uintptr_t) i5 + input_stride);
  const size_t input_increment = 7 * input_stride - round_up_po2(channels, 8) * sizeof(uint16_t);

  uint16_t* b = buffer;
  size_t c = channels;
  for (; c >= 24; c -= 24) {
    const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
    const float16x8_t vi0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
    const float16x8_t vi0xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
    const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
    const float16x8_t vi1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
    const float16x8_t vi1xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;

    const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
    float16x8_t vacc01234567 = vaddq_f16(vi0x01234567, vi1x01234567);
    const float16x8_t vi2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
    float16x8_t vacc89ABCDEF = vaddq_f16(vi0x89ABCDEF, vi1x89ABCDEF);
    const float16x8_t vi2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
    float16x8_t vaccGHIJKLMN = vaddq_f16(vi0xGHIJKLMN, vi1xGHIJKLMN);

    const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi2x01234567);
    const float16x8_t vi3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi2x89ABCDEF);
    const float16x8_t vi3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi2xGHIJKLMN);
    const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi3x01234567);
    const float16x8_t vi4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi3x89ABCDEF);
    const float16x8_t vi4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi3xGHIJKLMN);
    const float16x8_t vi5x01234567 = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi4x01234567);
    const float16x8_t vi5x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi4x89ABCDEF);
    const float16x8_t vi5xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi4xGHIJKLMN);
    const float16x8_t vi6x01234567 = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi5x01234567);
    const float16x8_t vi6x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi5x89ABCDEF);
    const float16x8_t vi6xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi5xGHIJKLMN);
    vacc01234567 = vaddq_f16(vacc01234567, vi6x01234567);
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi6x89ABCDEF);
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi6xGHIJKLMN);

    vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567)); b += 8;
    vst1q_u16(b, vreinterpretq_u16_f16(vacc89ABCDEF)); b += 8;
    vst1q_u16(b, vreinterpretq_u16_f16(vaccGHIJKLMN)); b += 8;
  }
  if XNN_UNLIKELY(c != 0) {
    do {
      const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
      const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
      const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
      float16x8_t vacc01234567 = vaddq_f16(vi0x01234567, vi1x01234567);

      const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi2x01234567);
      const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi3x01234567);
      const float16x8_t vi5x01234567 = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi4x01234567);
      const float16x8_t vi6x01234567 = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi5x01234567);
      vacc01234567 = vaddq_f16(vacc01234567, vi6x01234567);

      vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567)); b += 8;

      c = doz(c, 8);
    } while (c != 0);
  }

  for (rows -= 7; rows > 7; rows -= 7) {
    i0 = (const uint16_t*) ((uintptr_t) i0 + input_increment);
    i1 = (const uint16_t*) ((uintptr_t) i1 + input_increment);
    i2 = (const uint16_t*) ((uintptr_t) i2 + input_increment);
    i3 = (const uint16_t*) ((uintptr_t) i3 + input_increment);
    i4 = (const uint16_t*) ((uintptr_t) i4 + input_increment);
    i5 = (const uint16_t*) ((uintptr_t) i5 + input_increment);
    i6 = (const uint16_t*) ((uintptr_t) i6 + input_increment);

    uint16_t* b = buffer;
    size_t c = channels;
    for (; c >= 24; c -= 24) {
      float16x8_t vacc01234567 = vreinterpretq_f16_u16(vld1q_u16(b));
      float16x8_t vacc89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(b + 8));
      float16x8_t vaccGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(b + 16));

      const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
      const float16x8_t vi0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
      const float16x8_t vi0xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;

      const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi0x01234567);
      const float16x8_t vi1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
      vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi0x89ABCDEF);
      const float16x8_t vi1xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
      vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi0xGHIJKLMN);
      const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi1x01234567);
      const float16x8_t vi2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
      vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi1x89ABCDEF);
      const float16x8_t vi2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
      vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi1xGHIJKLMN);
      const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi2x01234567);
      const float16x8_t vi3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
      vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi2x89ABCDEF);
      const float16x8_t vi3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
      vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi2xGHIJKLMN);
      const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi3x01234567);
      const float16x8_t vi4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
      vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi3x89ABCDEF);
      const float16x8_t vi4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
      vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi3xGHIJKLMN);
      const float16x8_t vi5x01234567 = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi4x01234567);
      const float16x8_t vi5x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
      vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi4x89ABCDEF);
      const float16x8_t vi5xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
      vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi4xGHIJKLMN);
      const float16x8_t vi6x01234567 = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi5x01234567);
      const float16x8_t vi6x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
      vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi5x89ABCDEF);
      const float16x8_t vi6xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
      vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi5xGHIJKLMN);
      vacc01234567 = vaddq_f16(vacc01234567, vi6x01234567);
      vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi6x89ABCDEF);
      vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi6xGHIJKLMN);

      vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567)); b += 8;
      vst1q_u16(b, vreinterpretq_u16_f16(vacc89ABCDEF)); b += 8;
      vst1q_u16(b, vreinterpretq_u16_f16(vaccGHIJKLMN)); b += 8;
    }
    if XNN_UNLIKELY(c != 0) {
      do {
        float16x8_t vacc01234567 = vreinterpretq_f16_u16(vld1q_u16(b));
        const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;

        const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        vacc01234567 = vaddq_f16(vacc01234567, vi0x01234567);
        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        vacc01234567 = vaddq_f16(vacc01234567, vi1x01234567);
        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        vacc01234567 = vaddq_f16(vacc01234567, vi2x01234567);
        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        vacc01234567 = vaddq_f16(vacc01234567, vi3x01234567);
        const float16x8_t vi5x01234567 = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
        vacc01234567 = vaddq_f16(vacc01234567, vi4x01234567);
        const float16x8_t vi6x01234567 = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
        vacc01234567 = vaddq_f16(vacc01234567, vi5x01234567);
        vacc01234567 = vaddq_f16(vacc01234567, vi6x01234567);

        vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567)); b += 8;

        c = doz(c, 8);
      } while (c != 0);
    }
  }

  i0 = (const uint16_t*) ((uintptr_t) i0 + input_increment);
  i1 = (const uint16_t*) ((uintptr_t) i1 + input_increment);
  if XNN_UNPREDICTABLE(rows < 2) {
    i1 = (const uint16_t*) zero;
  }
  i2 = (const uint16_t*) ((uintptr_t) i2 + input_increment);
  if XNN_UNPREDICTABLE(rows <= 2) {
    i2 = (const uint16_t*) zero;
  }
  i3 = (const uint16_t*) ((uintptr_t) i3 + input_increment);
  if XNN_UNPREDICTABLE(rows < 4) {
    i3 = (const uint16_t*) zero;
  }
  i4 = (const uint16_t*) ((uintptr_t) i4 + input_increment);
  if XNN_UNPREDICTABLE(rows <= 4) {
    i4 = (const uint16_t*) zero;
  }
  i5 = (const uint16_t*) ((uintptr_t) i5 + input_increment);
  if XNN_UNPREDICTABLE(rows < 6) {
    i5 = (const uint16_t*) zero;
  }
  i6 = (const uint16_t*) ((uintptr_t) i6 + input_increment);
  if XNN_UNPREDICTABLE(rows <= 6) {
    i6 = (const uint16_t*) zero;
  }

  const float16x8_t vscale = vreinterpretq_f16_u16(vld1q_dup_u16(&params->fp16arith.scale));
  const float16x8_t vmin = vreinterpretq_f16_u16(vld1q_dup_u16(&params->fp16arith.min));
  const float16x8_t vmax = vreinterpretq_f16_u16(vld1q_dup_u16(&params->fp16arith.max));
  for (; channels >= 24; channels -= 24) {
    float16x8_t vacc01234567 = vreinterpretq_f16_u16(vld1q_u16(buffer)); buffer = (uint16_t*) buffer + 8;
    float16x8_t vacc89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(buffer)); buffer = (uint16_t*) buffer + 8;
    float16x8_t vaccGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(buffer)); buffer = (uint16_t*) buffer + 8;

    const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
    const float16x8_t vi0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
    const float16x8_t vi0xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;

    const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi0x01234567);
    const float16x8_t vi1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi0x89ABCDEF);
    const float16x8_t vi1xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi0xGHIJKLMN);
    const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi1x01234567);
    const float16x8_t vi2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi1x89ABCDEF);
    const float16x8_t vi2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi1xGHIJKLMN);
    const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi2x01234567);
    const float16x8_t vi3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi2x89ABCDEF);
    const float16x8_t vi3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi2xGHIJKLMN);
    const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi3x01234567);
    const float16x8_t vi4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi3x89ABCDEF);
    const float16x8_t vi4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi3xGHIJKLMN);
    const float16x8_t vi5x01234567 = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi4x01234567);
    const float16x8_t vi5x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi4x89ABCDEF);
    const float16x8_t vi5xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi4xGHIJKLMN);
    const float16x8_t vi6x01234567 = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
    vacc01234567 = vaddq_f16(vacc01234567, vi5x01234567);
    const float16x8_t vi6x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi5x89ABCDEF);
    const float16x8_t vi6xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi5xGHIJKLMN);
    vacc01234567 = vaddq_f16(vacc01234567, vi6x01234567);
    vacc89ABCDEF = vaddq_f16(vacc89ABCDEF, vi6x89ABCDEF);
    vaccGHIJKLMN = vaddq_f16(vaccGHIJKLMN, vi6xGHIJKLMN);

    vacc01234567 = vmulq_f16(vacc01234567, vscale);
    vacc89ABCDEF = vmulq_f16(vacc89ABCDEF, vscale);
    vaccGHIJKLMN = vmulq_f16(vaccGHIJKLMN, vscale);

    vacc01234567 = vmaxq_f16(vacc01234567, vmin);
    vacc89ABCDEF = vmaxq_f16(vacc89ABCDEF, vmin);
    vaccGHIJKLMN = vmaxq_f16(vaccGHIJKLMN, vmin);

    vacc01234567 = vminq_f16(vacc01234567, vmax);
    vacc89ABCDEF = vminq_f16(vacc89ABCDEF, vmax);
    vaccGHIJKLMN = vminq_f16(vaccGHIJKLMN, vmax);

    vst1q_u16(output, vreinterpretq_u16_f16(vacc01234567)); output = (uint16_t*) output + 8;
    vst1q_u16(output, vreinterpretq_u16_f16(vacc89ABCDEF)); output = (uint16_t*) output + 8;
    vst1q_u16(output, vreinterpretq_u16_f16(vaccGHIJKLMN)); output = (uint16_t*) output + 8;
  }
  if XNN_UNLIKELY(channels != 0) {
    do {
      float16x8_t vacc01234567 = vreinterpretq_f16_u16(vld1q_u16(buffer)); buffer = (uint16_t*) buffer + 8;

      const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
      const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi0x01234567);
      const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi1x01234567);
      const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi2x01234567);
      const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi3x01234567);
      const float16x8_t vi5x01234567 = vreinterpretq_f16_u16(vld1q_u16(i5)); i5 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi4x01234567);
      const float16x8_t vi6x01234567 = vreinterpretq_f16_u16(vld1q_u16(i6)); i6 += 8;
      vacc01234567 = vaddq_f16(vacc01234567, vi5x01234567);
      vacc01234567 = vaddq_f16(vacc01234567, vi6x01234567);

      vacc01234567 = vmulq_f16(vacc01234567, vscale);
      vacc01234567 = vmaxq_f16(vacc01234567, vmin);
      vacc01234567 = vminq_f16(vacc01234567, vmax);

      if XNN_LIKELY(channels >= 8) {
        vst1q_u16(output, vreinterpretq_u16_f16(vacc01234567)); output = (uint16_t*) output + 8;
        channels -= 8;
      } else {
        float16x4_t vacc0123 = vget_low_f16(vacc01234567);
        if (channels & 4) {
          vst1_u16(output, vreinterpret_u16_f16(vacc0123)); output = (uint16_t*) output + 4;
          vacc0123 = vget_high_f16(vacc01234567);
        }
        if (channels & 2) {
          vst1_lane_u32(output, vreinterpret_u32_f16(vacc0123), 0); output = (uint16_t*) output + 2;
          vacc0123 = vext_f16(vacc0123, vacc0123, 2);
        }
        if (channels & 1) {
          vst1_lane_u16(output, vreinterpret_u16_f16(vacc0123), 0); output = (uint16_t*) output + 1;
        }
        channels = 0;
      }
    } while (channels != 0);
  }
}