File size: 31,526 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
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
// Auto-generated file. Do not edit!
//   Template: src/f16-dwconv/multipass-neonfp16arith.c.in
//   Generator: tools/xngen
//
// Copyright 2022 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 <stddef.h>
#include <stdint.h>

#include <arm_neon.h>

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


void xnn_f16_dwconv_minmax_ukernel_5f5m5l32c8s4r__neonfp16arith(
    size_t channels,
    size_t output_width,
    const void** input,
    const void* weights,
    void* output,
    intptr_t input_stride,
    size_t output_increment,
    size_t input_offset,
    const void* zero,
    size_t kernel_size,
    void* buffer,
    const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
  assert(channels != 0);
  assert(output_width != 0);
  assert(kernel_size > 5);

  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));
  do {
    const uint16_t* w = weights;

    // First pass to process 5 inputs.
    {
      uint16_t* b = buffer;
      const uint16_t* i0 = input[0];
      assert(i0 != NULL);
      if XNN_UNPREDICTABLE(i0 != zero) {
        i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset);
      }
      const uint16_t* i1 = input[1];
      assert(i1 != NULL);
      if XNN_UNPREDICTABLE(i1 != zero) {
        i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset);
      }
      const uint16_t* i2 = input[2];
      assert(i2 != NULL);
      if XNN_UNPREDICTABLE(i2 != zero) {
        i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset);
      }
      const uint16_t* i3 = input[3];
      assert(i3 != NULL);
      if XNN_UNPREDICTABLE(i3 != zero) {
        i3 = (const uint16_t*) ((uintptr_t) i3 + input_offset);
      }
      const uint16_t* i4 = input[4];
      assert(i4 != NULL);
      if XNN_UNPREDICTABLE(i4 != zero) {
        i4 = (const uint16_t*) ((uintptr_t) i4 + input_offset);
      }
      input += 5;

      size_t c = round_up_po2(channels, 4);
      for (; c >= 32; c -= 32) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vacc89ABCDEFp0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vaccGHIJKLMNp0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vaccOPQRSTUVp0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 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 vi0xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk0xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk0xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi0x89ABCDEF, vk0x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi0xGHIJKLMN, vk0xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi0xOPQRSTUV, vk0xOPQRSTUV);

        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 vi1xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk1xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk1xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi1x89ABCDEF, vk1x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi1xGHIJKLMN, vk1xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi1xOPQRSTUV, vk1xOPQRSTUV);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk2xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi2x89ABCDEF, vk2x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi2xGHIJKLMN, vk2xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi2xOPQRSTUV, vk2xOPQRSTUV);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk3xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi3x89ABCDEF, vk3x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi3xGHIJKLMN, vk3xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi3xOPQRSTUV, vk3xOPQRSTUV);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk4xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi4x89ABCDEF, vk4x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi4xGHIJKLMN, vk4xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi4xOPQRSTUV, vk4xOPQRSTUV);


        vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567p0)); b += 8;
        vst1q_u16(b, vreinterpretq_u16_f16(vacc89ABCDEFp0)); b += 8;
        vst1q_u16(b, vreinterpretq_u16_f16(vaccGHIJKLMNp0)); b += 8;
        vst1q_u16(b, vreinterpretq_u16_f16(vaccOPQRSTUVp0)); b += 8;
      }

      for (; c >= 8; c -= 8) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;


        const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);

        const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);


        vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567p0)); b += 8;
      }

      if (c != 0) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;

        const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);

        const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);


        vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567p0)); b += 8;
      }
    }

    // Middle pass to process 5 inputs in each iteration.
    for (size_t ks = kernel_size - 5; ks > 5; ks -= 5) {
      uint16_t* b = buffer;
      const uint16_t* i0 = input[0];
      assert(i0 != NULL);
      if XNN_UNPREDICTABLE(i0 != zero) {
        i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset);
      }
      const uint16_t* i1 = input[1];
      assert(i1 != NULL);
      if XNN_UNPREDICTABLE(i1 != zero) {
        i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset);
      }
      const uint16_t* i2 = input[2];
      assert(i2 != NULL);
      if XNN_UNPREDICTABLE(i2 != zero) {
        i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset);
      }
      const uint16_t* i3 = input[3];
      assert(i3 != NULL);
      if XNN_UNPREDICTABLE(i3 != zero) {
        i3 = (const uint16_t*) ((uintptr_t) i3 + input_offset);
      }
      const uint16_t* i4 = input[4];
      assert(i4 != NULL);
      if XNN_UNPREDICTABLE(i4 != zero) {
        i4 = (const uint16_t*) ((uintptr_t) i4 + input_offset);
      }
      input += 5;

      size_t c = round_up_po2(channels, 4);
      for (; c >= 32; c -= 32) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(b));
        float16x8_t vacc89ABCDEFp0 = vreinterpretq_f16_u16(vld1q_u16(b + 8));
        float16x8_t vaccGHIJKLMNp0 = vreinterpretq_f16_u16(vld1q_u16(b + 16));
        float16x8_t vaccOPQRSTUVp0 = vreinterpretq_f16_u16(vld1q_u16(b + 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 vi0xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk0xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk0xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi0x89ABCDEF, vk0x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi0xGHIJKLMN, vk0xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi0xOPQRSTUV, vk0xOPQRSTUV);

        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 vi1xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk1xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk1xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi1x89ABCDEF, vk1x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi1xGHIJKLMN, vk1xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi1xOPQRSTUV, vk1xOPQRSTUV);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk2xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi2x89ABCDEF, vk2x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi2xGHIJKLMN, vk2xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi2xOPQRSTUV, vk2xOPQRSTUV);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk3xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi3x89ABCDEF, vk3x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi3xGHIJKLMN, vk3xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi3xOPQRSTUV, vk3xOPQRSTUV);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        const float16x8_t vk4xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi4x89ABCDEF, vk4x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi4xGHIJKLMN, vk4xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi4xOPQRSTUV, vk4xOPQRSTUV);


        vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567p0)); b += 8;
        vst1q_u16(b, vreinterpretq_u16_f16(vacc89ABCDEFp0)); b += 8;
        vst1q_u16(b, vreinterpretq_u16_f16(vaccGHIJKLMNp0)); b += 8;
        vst1q_u16(b, vreinterpretq_u16_f16(vaccOPQRSTUVp0)); b += 8;
      }

      for (; c >= 8; c -= 8) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(b));


        const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);

        const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);


        vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567p0)); b += 8;
      }

      if (c != 0) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(b));

        const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        const float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);

        const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        const float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);


        vst1q_u16(b, vreinterpretq_u16_f16(vacc01234567p0)); b += 8;
      }
    }

    // Last pass to process up to 5 inputs.
    {
      uint16_t* b = buffer;
      const uint16_t* i0 = input[0];
      assert(i0 != NULL);
      if XNN_UNPREDICTABLE(i0 != zero) {
        i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset);
      }
      const uint16_t* i1 = input[1];
      assert(i1 != NULL);
      if XNN_UNPREDICTABLE(i1 != zero) {
        i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset);
      }
      const uint16_t* i2 = input[2];
      assert(i2 != NULL);
      if XNN_UNPREDICTABLE(i2 != zero) {
        i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset);
      }
      const uint16_t* i3 = input[3];
      assert(i3 != NULL);
      if XNN_UNPREDICTABLE(i3 != zero) {
        i3 = (const uint16_t*) ((uintptr_t) i3 + input_offset);
      }
      const uint16_t* i4 = input[4];
      assert(i4 != NULL);
      if XNN_UNPREDICTABLE(i4 != zero) {
        i4 = (const uint16_t*) ((uintptr_t) i4 + input_offset);
      }

      size_t c = channels;
      for (; c >= 32; c -= 32) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(b)); b += 8;
        float16x8_t vacc89ABCDEFp0 = vreinterpretq_f16_u16(vld1q_u16(b)); b += 8;
        float16x8_t vaccGHIJKLMNp0 = vreinterpretq_f16_u16(vld1q_u16(b)); b += 8;
        float16x8_t vaccOPQRSTUVp0 = vreinterpretq_f16_u16(vld1q_u16(b)); b += 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 vi0xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk0x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk0xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk0xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi0x89ABCDEF, vk0x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi0xGHIJKLMN, vk0xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi0xOPQRSTUV, vk0xOPQRSTUV);

        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 vi1xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk1x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk1xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk1xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi1x89ABCDEF, vk1x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi1xGHIJKLMN, vk1xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi1xOPQRSTUV, vk1xOPQRSTUV);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        const float16x8_t vi2xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk2x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk2xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk2xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi2x89ABCDEF, vk2x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi2xGHIJKLMN, vk2xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi2xOPQRSTUV, vk2xOPQRSTUV);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        const float16x8_t vi3xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk3x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk3xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk3xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi3x89ABCDEF, vk3x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi3xGHIJKLMN, vk3xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi3xOPQRSTUV, vk3xOPQRSTUV);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        const float16x8_t vi4xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk4x89ABCDEF = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk4xGHIJKLMN = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        float16x8_t vk4xOPQRSTUV = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);
        vacc89ABCDEFp0 = vfmaq_f16(vacc89ABCDEFp0, vi4x89ABCDEF, vk4x89ABCDEF);
        vaccGHIJKLMNp0 = vfmaq_f16(vaccGHIJKLMNp0, vi4xGHIJKLMN, vk4xGHIJKLMN);
        vaccOPQRSTUVp0 = vfmaq_f16(vaccOPQRSTUVp0, vi4xOPQRSTUV, vk4xOPQRSTUV);


        float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
        float16x8_t vacc89ABCDEF = vmaxq_f16(vacc89ABCDEFp0, vmin);
        float16x8_t vaccGHIJKLMN = vmaxq_f16(vaccGHIJKLMNp0, vmin);
        float16x8_t vaccOPQRSTUV = vmaxq_f16(vaccOPQRSTUVp0, vmin);

        vacc01234567 = vminq_f16(vacc01234567, vmax);
        vacc89ABCDEF = vminq_f16(vacc89ABCDEF, vmax);
        vaccGHIJKLMN = vminq_f16(vaccGHIJKLMN, vmax);
        vaccOPQRSTUV = vminq_f16(vaccOPQRSTUV, 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;
        vst1q_u16(output, vreinterpretq_u16_f16(vaccOPQRSTUV)); output = (uint16_t*) output + 8;
      }


      for (; c >= 8; c -= 8) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(b)); b += 8;

        const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0)); i0 += 8;
        float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);

        const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1)); i1 += 8;
        float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2)); i2 += 8;
        float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3)); i3 += 8;
        float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4)); i4 += 8;
        float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);


        float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);

        vacc01234567 = vminq_f16(vacc01234567, vmax);

        vst1q_u16(output, vreinterpretq_u16_f16(vacc01234567)); output = (uint16_t*) output + 8;
      }

      if XNN_UNLIKELY(c != 0) {
        float16x8_t vacc01234567p0 = vreinterpretq_f16_u16(vld1q_u16(b));

        const float16x8_t vi0x01234567 = vreinterpretq_f16_u16(vld1q_u16(i0));
        float16x8_t vk0x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi0x01234567, vk0x01234567);

        const float16x8_t vi1x01234567 = vreinterpretq_f16_u16(vld1q_u16(i1));
        float16x8_t vk1x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi1x01234567, vk1x01234567);

        const float16x8_t vi2x01234567 = vreinterpretq_f16_u16(vld1q_u16(i2));
        float16x8_t vk2x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi2x01234567, vk2x01234567);

        const float16x8_t vi3x01234567 = vreinterpretq_f16_u16(vld1q_u16(i3));
        float16x8_t vk3x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi3x01234567, vk3x01234567);

        const float16x8_t vi4x01234567 = vreinterpretq_f16_u16(vld1q_u16(i4));
        float16x8_t vk4x01234567 = vreinterpretq_f16_u16(vld1q_u16(w)); w += 8;
        vacc01234567p0 = vfmaq_f16(vacc01234567p0, vi4x01234567, vk4x01234567);


        float16x8_t vacc01234567 = vmaxq_f16(vacc01234567p0, vmin);
        vacc01234567 = vminq_f16(vacc01234567, vmax);

        float16x4_t vacc0123 = vget_low_f16(vacc01234567);
        if (c & 4) {
          vst1_u16(output, vreinterpret_u16_f16(vacc0123)); output = (uint16_t*) output + 4;
          vacc0123 = vget_high_f16(vacc01234567);
        }
        if (c & 2) {
          vst1_lane_u32((void*) output, vreinterpret_u32_f16(vacc0123), 0); output = (uint16_t*) output + 2;
          vacc0123 = vext_f16(vacc0123, vacc0123, 2);
        }
        if (c & 1) {
          vst1_lane_u16(output, vreinterpret_u16_f16(vacc0123), 0); output = (uint16_t*) output + 1;
        }
      }

    }
    input = (const void**) (const uint16_t**) ((uintptr_t) input + input_stride);
    output = (uint16_t*) ((uintptr_t) output + output_increment);
  } while (--output_width != 0);
}