• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-dwconv/unipass-avx2-mul16-vpunpck.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 <immintrin.h>
13 
14 #include <xnnpack/dwconv.h>
15 #include <xnnpack/unaligned.h>
16 
17 
xnn_qs8_dwconv_minmax_fp32_ukernel_up16x25__avx2_mul16_vpunpck(size_t channels,size_t output_width,const int8_t ** input,const void * weights,int8_t * output,size_t input_stride,size_t output_increment,size_t input_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_dwconv_minmax_fp32_ukernel_up16x25__avx2_mul16_vpunpck(
19     size_t channels,
20     size_t output_width,
21     const int8_t** input,
22     const void* weights,
23     int8_t* output,
24     size_t input_stride,
25     size_t output_increment,
26     size_t input_offset,
27     const int8_t* zero,
28     const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30   assert(channels != 0);
31   assert(output_width != 0);
32 
33   do {
34     const int8_t* i0 = input[0];
35     assert(i0 != NULL);
36     if XNN_UNPREDICTABLE(i0 != zero) {
37       i0 = (const int8_t*) ((uintptr_t) i0 + input_offset);
38     }
39     const int8_t* i1 = input[1];
40     assert(i1 != NULL);
41     if XNN_UNPREDICTABLE(i1 != zero) {
42       i1 = (const int8_t*) ((uintptr_t) i1 + input_offset);
43     }
44     const int8_t* i2 = input[2];
45     assert(i2 != NULL);
46     if XNN_UNPREDICTABLE(i2 != zero) {
47       i2 = (const int8_t*) ((uintptr_t) i2 + input_offset);
48     }
49     const int8_t* i3 = input[3];
50     assert(i3 != NULL);
51     if XNN_UNPREDICTABLE(i3 != zero) {
52       i3 = (const int8_t*) ((uintptr_t) i3 + input_offset);
53     }
54     const int8_t* i4 = input[4];
55     assert(i4 != NULL);
56     if XNN_UNPREDICTABLE(i4 != zero) {
57       i4 = (const int8_t*) ((uintptr_t) i4 + input_offset);
58     }
59     const int8_t* i5 = input[5];
60     assert(i5 != NULL);
61     if XNN_UNPREDICTABLE(i5 != zero) {
62       i5 = (const int8_t*) ((uintptr_t) i5 + input_offset);
63     }
64     const int8_t* i6 = input[6];
65     assert(i6 != NULL);
66     if XNN_UNPREDICTABLE(i6 != zero) {
67       i6 = (const int8_t*) ((uintptr_t) i6 + input_offset);
68     }
69     const int8_t* i7 = input[7];
70     assert(i7 != NULL);
71     if XNN_UNPREDICTABLE(i7 != zero) {
72       i7 = (const int8_t*) ((uintptr_t) i7 + input_offset);
73     }
74     const int8_t* i8 = input[8];
75     assert(i8 != NULL);
76     if XNN_UNPREDICTABLE(i8 != zero) {
77       i8 = (const int8_t*) ((uintptr_t) i8 + input_offset);
78     }
79     const int8_t* i9 = input[9];
80     assert(i9 != NULL);
81     if XNN_UNPREDICTABLE(i9 != zero) {
82       i9 = (const int8_t*) ((uintptr_t) i9 + input_offset);
83     }
84     const int8_t* i10 = input[10];
85     assert(i10 != NULL);
86     if XNN_UNPREDICTABLE(i10 != zero) {
87       i10 = (const int8_t*) ((uintptr_t) i10 + input_offset);
88     }
89     const int8_t* i11 = input[11];
90     assert(i11 != NULL);
91     if XNN_UNPREDICTABLE(i11 != zero) {
92       i11 = (const int8_t*) ((uintptr_t) i11 + input_offset);
93     }
94     const int8_t* i12 = input[12];
95     assert(i12 != NULL);
96     if XNN_UNPREDICTABLE(i12 != zero) {
97       i12 = (const int8_t*) ((uintptr_t) i12 + input_offset);
98     }
99     const int8_t* i13 = input[13];
100     assert(i13 != NULL);
101     if XNN_UNPREDICTABLE(i13 != zero) {
102       i13 = (const int8_t*) ((uintptr_t) i13 + input_offset);
103     }
104     const int8_t* i14 = input[14];
105     assert(i14 != NULL);
106     if XNN_UNPREDICTABLE(i14 != zero) {
107       i14 = (const int8_t*) ((uintptr_t) i14 + input_offset);
108     }
109     const int8_t* i15 = input[15];
110     assert(i15 != NULL);
111     if XNN_UNPREDICTABLE(i15 != zero) {
112       i15 = (const int8_t*) ((uintptr_t) i15 + input_offset);
113     }
114     const int8_t* i16 = input[16];
115     assert(i16 != NULL);
116     if XNN_UNPREDICTABLE(i16 != zero) {
117       i16 = (const int8_t*) ((uintptr_t) i16 + input_offset);
118     }
119     const int8_t* i17 = input[17];
120     assert(i17 != NULL);
121     if XNN_UNPREDICTABLE(i17 != zero) {
122       i17 = (const int8_t*) ((uintptr_t) i17 + input_offset);
123     }
124     const int8_t* i18 = input[18];
125     assert(i18 != NULL);
126     if XNN_UNPREDICTABLE(i18 != zero) {
127       i18 = (const int8_t*) ((uintptr_t) i18 + input_offset);
128     }
129     const int8_t* i19 = input[19];
130     assert(i19 != NULL);
131     if XNN_UNPREDICTABLE(i19 != zero) {
132       i19 = (const int8_t*) ((uintptr_t) i19 + input_offset);
133     }
134     const int8_t* i20 = input[20];
135     assert(i20 != NULL);
136     if XNN_UNPREDICTABLE(i20 != zero) {
137       i20 = (const int8_t*) ((uintptr_t) i20 + input_offset);
138     }
139     const int8_t* i21 = input[21];
140     assert(i21 != NULL);
141     if XNN_UNPREDICTABLE(i21 != zero) {
142       i21 = (const int8_t*) ((uintptr_t) i21 + input_offset);
143     }
144     const int8_t* i22 = input[22];
145     assert(i22 != NULL);
146     if XNN_UNPREDICTABLE(i22 != zero) {
147       i22 = (const int8_t*) ((uintptr_t) i22 + input_offset);
148     }
149     const int8_t* i23 = input[23];
150     assert(i23 != NULL);
151     if XNN_UNPREDICTABLE(i23 != zero) {
152       i23 = (const int8_t*) ((uintptr_t) i23 + input_offset);
153     }
154     const int8_t* i24 = input[24];
155     assert(i24 != NULL);
156     if XNN_UNPREDICTABLE(i24 != zero) {
157       i24 = (const int8_t*) ((uintptr_t) i24 + input_offset);
158     }
159     input = (const int8_t**) ((uintptr_t) input + input_stride);
160 
161     size_t c = channels;
162     const void* w = weights;
163     for (; c >= 16; c -= 16) {
164       __m256i vacc01234567 = _mm256_loadu_si256((const __m256i*) w);
165       __m256i vacc89ABCDEF = _mm256_loadu_si256((const __m256i*) ((uintptr_t) w + 8 * sizeof(int32_t)));
166 
167       __m256i vacc012389AB = _mm256_inserti128_si256(vacc01234567, _mm256_castsi256_si128(vacc89ABCDEF), 1);
168       __m256i vacc4567CDEF = _mm256_permute2x128_si256(vacc01234567, vacc89ABCDEF, 0x31);
169 
170 
171       const __m256i vi0x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i0));
172       const __m256i vk0x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 0 * sizeof(int8_t))));
173       i0 += 16;
174 
175       const __m256i vprod0x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi0x0123456789ABCDEF, vk0x0123456789ABCDEF);
176       const __m256i vprod0x0123456789ABCDEFhi = _mm256_srai_epi16(vprod0x0123456789ABCDEFlo, 15);
177 
178       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod0x0123456789ABCDEFlo, vprod0x0123456789ABCDEFhi));
179       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod0x0123456789ABCDEFlo, vprod0x0123456789ABCDEFhi));
180 
181       const __m256i vi1x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i1));
182       const __m256i vk1x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 16 * sizeof(int8_t))));
183       i1 += 16;
184 
185       const __m256i vprod1x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi1x0123456789ABCDEF, vk1x0123456789ABCDEF);
186       const __m256i vprod1x0123456789ABCDEFhi = _mm256_srai_epi16(vprod1x0123456789ABCDEFlo, 15);
187 
188       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod1x0123456789ABCDEFlo, vprod1x0123456789ABCDEFhi));
189       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod1x0123456789ABCDEFlo, vprod1x0123456789ABCDEFhi));
190 
191       const __m256i vi2x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i2));
192       const __m256i vk2x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 32 * sizeof(int8_t))));
193       i2 += 16;
194 
195       const __m256i vprod2x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi2x0123456789ABCDEF, vk2x0123456789ABCDEF);
196       const __m256i vprod2x0123456789ABCDEFhi = _mm256_srai_epi16(vprod2x0123456789ABCDEFlo, 15);
197 
198       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod2x0123456789ABCDEFlo, vprod2x0123456789ABCDEFhi));
199       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod2x0123456789ABCDEFlo, vprod2x0123456789ABCDEFhi));
200 
201       const __m256i vi3x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i3));
202       const __m256i vk3x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 48 * sizeof(int8_t))));
203       i3 += 16;
204 
205       const __m256i vprod3x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi3x0123456789ABCDEF, vk3x0123456789ABCDEF);
206       const __m256i vprod3x0123456789ABCDEFhi = _mm256_srai_epi16(vprod3x0123456789ABCDEFlo, 15);
207 
208       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod3x0123456789ABCDEFlo, vprod3x0123456789ABCDEFhi));
209       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod3x0123456789ABCDEFlo, vprod3x0123456789ABCDEFhi));
210 
211       const __m256i vi4x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i4));
212       const __m256i vk4x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 64 * sizeof(int8_t))));
213       i4 += 16;
214 
215       const __m256i vprod4x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi4x0123456789ABCDEF, vk4x0123456789ABCDEF);
216       const __m256i vprod4x0123456789ABCDEFhi = _mm256_srai_epi16(vprod4x0123456789ABCDEFlo, 15);
217 
218       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod4x0123456789ABCDEFlo, vprod4x0123456789ABCDEFhi));
219       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod4x0123456789ABCDEFlo, vprod4x0123456789ABCDEFhi));
220 
221       const __m256i vi5x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i5));
222       const __m256i vk5x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 80 * sizeof(int8_t))));
223       i5 += 16;
224 
225       const __m256i vprod5x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi5x0123456789ABCDEF, vk5x0123456789ABCDEF);
226       const __m256i vprod5x0123456789ABCDEFhi = _mm256_srai_epi16(vprod5x0123456789ABCDEFlo, 15);
227 
228       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod5x0123456789ABCDEFlo, vprod5x0123456789ABCDEFhi));
229       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod5x0123456789ABCDEFlo, vprod5x0123456789ABCDEFhi));
230 
231       const __m256i vi6x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i6));
232       const __m256i vk6x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 96 * sizeof(int8_t))));
233       i6 += 16;
234 
235       const __m256i vprod6x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi6x0123456789ABCDEF, vk6x0123456789ABCDEF);
236       const __m256i vprod6x0123456789ABCDEFhi = _mm256_srai_epi16(vprod6x0123456789ABCDEFlo, 15);
237 
238       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod6x0123456789ABCDEFlo, vprod6x0123456789ABCDEFhi));
239       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod6x0123456789ABCDEFlo, vprod6x0123456789ABCDEFhi));
240 
241       const __m256i vi7x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i7));
242       const __m256i vk7x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 112 * sizeof(int8_t))));
243       i7 += 16;
244 
245       const __m256i vprod7x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi7x0123456789ABCDEF, vk7x0123456789ABCDEF);
246       const __m256i vprod7x0123456789ABCDEFhi = _mm256_srai_epi16(vprod7x0123456789ABCDEFlo, 15);
247 
248       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod7x0123456789ABCDEFlo, vprod7x0123456789ABCDEFhi));
249       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod7x0123456789ABCDEFlo, vprod7x0123456789ABCDEFhi));
250 
251       const __m256i vi8x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i8));
252       const __m256i vk8x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 128 * sizeof(int8_t))));
253       i8 += 16;
254 
255       const __m256i vprod8x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi8x0123456789ABCDEF, vk8x0123456789ABCDEF);
256       const __m256i vprod8x0123456789ABCDEFhi = _mm256_srai_epi16(vprod8x0123456789ABCDEFlo, 15);
257 
258       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod8x0123456789ABCDEFlo, vprod8x0123456789ABCDEFhi));
259       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod8x0123456789ABCDEFlo, vprod8x0123456789ABCDEFhi));
260 
261       const __m256i vi9x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i9));
262       const __m256i vk9x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 144 * sizeof(int8_t))));
263       i9 += 16;
264 
265       const __m256i vprod9x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi9x0123456789ABCDEF, vk9x0123456789ABCDEF);
266       const __m256i vprod9x0123456789ABCDEFhi = _mm256_srai_epi16(vprod9x0123456789ABCDEFlo, 15);
267 
268       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod9x0123456789ABCDEFlo, vprod9x0123456789ABCDEFhi));
269       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod9x0123456789ABCDEFlo, vprod9x0123456789ABCDEFhi));
270 
271       const __m256i vi10x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i10));
272       const __m256i vk10x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 160 * sizeof(int8_t))));
273       i10 += 16;
274 
275       const __m256i vprod10x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi10x0123456789ABCDEF, vk10x0123456789ABCDEF);
276       const __m256i vprod10x0123456789ABCDEFhi = _mm256_srai_epi16(vprod10x0123456789ABCDEFlo, 15);
277 
278       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod10x0123456789ABCDEFlo, vprod10x0123456789ABCDEFhi));
279       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod10x0123456789ABCDEFlo, vprod10x0123456789ABCDEFhi));
280 
281       const __m256i vi11x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i11));
282       const __m256i vk11x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 176 * sizeof(int8_t))));
283       i11 += 16;
284 
285       const __m256i vprod11x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi11x0123456789ABCDEF, vk11x0123456789ABCDEF);
286       const __m256i vprod11x0123456789ABCDEFhi = _mm256_srai_epi16(vprod11x0123456789ABCDEFlo, 15);
287 
288       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod11x0123456789ABCDEFlo, vprod11x0123456789ABCDEFhi));
289       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod11x0123456789ABCDEFlo, vprod11x0123456789ABCDEFhi));
290 
291       const __m256i vi12x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i12));
292       const __m256i vk12x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 192 * sizeof(int8_t))));
293       i12 += 16;
294 
295       const __m256i vprod12x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi12x0123456789ABCDEF, vk12x0123456789ABCDEF);
296       const __m256i vprod12x0123456789ABCDEFhi = _mm256_srai_epi16(vprod12x0123456789ABCDEFlo, 15);
297 
298       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod12x0123456789ABCDEFlo, vprod12x0123456789ABCDEFhi));
299       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod12x0123456789ABCDEFlo, vprod12x0123456789ABCDEFhi));
300 
301       const __m256i vi13x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i13));
302       const __m256i vk13x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 208 * sizeof(int8_t))));
303       i13 += 16;
304 
305       const __m256i vprod13x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi13x0123456789ABCDEF, vk13x0123456789ABCDEF);
306       const __m256i vprod13x0123456789ABCDEFhi = _mm256_srai_epi16(vprod13x0123456789ABCDEFlo, 15);
307 
308       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod13x0123456789ABCDEFlo, vprod13x0123456789ABCDEFhi));
309       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod13x0123456789ABCDEFlo, vprod13x0123456789ABCDEFhi));
310 
311       const __m256i vi14x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i14));
312       const __m256i vk14x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 224 * sizeof(int8_t))));
313       i14 += 16;
314 
315       const __m256i vprod14x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi14x0123456789ABCDEF, vk14x0123456789ABCDEF);
316       const __m256i vprod14x0123456789ABCDEFhi = _mm256_srai_epi16(vprod14x0123456789ABCDEFlo, 15);
317 
318       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod14x0123456789ABCDEFlo, vprod14x0123456789ABCDEFhi));
319       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod14x0123456789ABCDEFlo, vprod14x0123456789ABCDEFhi));
320 
321       const __m256i vi15x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i15));
322       const __m256i vk15x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 240 * sizeof(int8_t))));
323       i15 += 16;
324 
325       const __m256i vprod15x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi15x0123456789ABCDEF, vk15x0123456789ABCDEF);
326       const __m256i vprod15x0123456789ABCDEFhi = _mm256_srai_epi16(vprod15x0123456789ABCDEFlo, 15);
327 
328       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod15x0123456789ABCDEFlo, vprod15x0123456789ABCDEFhi));
329       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod15x0123456789ABCDEFlo, vprod15x0123456789ABCDEFhi));
330 
331       const __m256i vi16x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i16));
332       const __m256i vk16x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 256 * sizeof(int8_t))));
333       i16 += 16;
334 
335       const __m256i vprod16x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi16x0123456789ABCDEF, vk16x0123456789ABCDEF);
336       const __m256i vprod16x0123456789ABCDEFhi = _mm256_srai_epi16(vprod16x0123456789ABCDEFlo, 15);
337 
338       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod16x0123456789ABCDEFlo, vprod16x0123456789ABCDEFhi));
339       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod16x0123456789ABCDEFlo, vprod16x0123456789ABCDEFhi));
340 
341       const __m256i vi17x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i17));
342       const __m256i vk17x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 272 * sizeof(int8_t))));
343       i17 += 16;
344 
345       const __m256i vprod17x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi17x0123456789ABCDEF, vk17x0123456789ABCDEF);
346       const __m256i vprod17x0123456789ABCDEFhi = _mm256_srai_epi16(vprod17x0123456789ABCDEFlo, 15);
347 
348       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod17x0123456789ABCDEFlo, vprod17x0123456789ABCDEFhi));
349       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod17x0123456789ABCDEFlo, vprod17x0123456789ABCDEFhi));
350 
351       const __m256i vi18x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i18));
352       const __m256i vk18x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 288 * sizeof(int8_t))));
353       i18 += 16;
354 
355       const __m256i vprod18x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi18x0123456789ABCDEF, vk18x0123456789ABCDEF);
356       const __m256i vprod18x0123456789ABCDEFhi = _mm256_srai_epi16(vprod18x0123456789ABCDEFlo, 15);
357 
358       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod18x0123456789ABCDEFlo, vprod18x0123456789ABCDEFhi));
359       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod18x0123456789ABCDEFlo, vprod18x0123456789ABCDEFhi));
360 
361       const __m256i vi19x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i19));
362       const __m256i vk19x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 304 * sizeof(int8_t))));
363       i19 += 16;
364 
365       const __m256i vprod19x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi19x0123456789ABCDEF, vk19x0123456789ABCDEF);
366       const __m256i vprod19x0123456789ABCDEFhi = _mm256_srai_epi16(vprod19x0123456789ABCDEFlo, 15);
367 
368       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod19x0123456789ABCDEFlo, vprod19x0123456789ABCDEFhi));
369       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod19x0123456789ABCDEFlo, vprod19x0123456789ABCDEFhi));
370 
371       const __m256i vi20x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i20));
372       const __m256i vk20x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 320 * sizeof(int8_t))));
373       i20 += 16;
374 
375       const __m256i vprod20x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi20x0123456789ABCDEF, vk20x0123456789ABCDEF);
376       const __m256i vprod20x0123456789ABCDEFhi = _mm256_srai_epi16(vprod20x0123456789ABCDEFlo, 15);
377 
378       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod20x0123456789ABCDEFlo, vprod20x0123456789ABCDEFhi));
379       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod20x0123456789ABCDEFlo, vprod20x0123456789ABCDEFhi));
380 
381       const __m256i vi21x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i21));
382       const __m256i vk21x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 336 * sizeof(int8_t))));
383       i21 += 16;
384 
385       const __m256i vprod21x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi21x0123456789ABCDEF, vk21x0123456789ABCDEF);
386       const __m256i vprod21x0123456789ABCDEFhi = _mm256_srai_epi16(vprod21x0123456789ABCDEFlo, 15);
387 
388       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod21x0123456789ABCDEFlo, vprod21x0123456789ABCDEFhi));
389       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod21x0123456789ABCDEFlo, vprod21x0123456789ABCDEFhi));
390 
391       const __m256i vi22x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i22));
392       const __m256i vk22x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 352 * sizeof(int8_t))));
393       i22 += 16;
394 
395       const __m256i vprod22x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi22x0123456789ABCDEF, vk22x0123456789ABCDEF);
396       const __m256i vprod22x0123456789ABCDEFhi = _mm256_srai_epi16(vprod22x0123456789ABCDEFlo, 15);
397 
398       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod22x0123456789ABCDEFlo, vprod22x0123456789ABCDEFhi));
399       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod22x0123456789ABCDEFlo, vprod22x0123456789ABCDEFhi));
400 
401       const __m256i vi23x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i23));
402       const __m256i vk23x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 368 * sizeof(int8_t))));
403       i23 += 16;
404 
405       const __m256i vprod23x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi23x0123456789ABCDEF, vk23x0123456789ABCDEF);
406       const __m256i vprod23x0123456789ABCDEFhi = _mm256_srai_epi16(vprod23x0123456789ABCDEFlo, 15);
407 
408       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod23x0123456789ABCDEFlo, vprod23x0123456789ABCDEFhi));
409       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod23x0123456789ABCDEFlo, vprod23x0123456789ABCDEFhi));
410 
411       const __m256i vi24x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i24));
412       const __m256i vk24x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 384 * sizeof(int8_t))));
413       i24 += 16;
414 
415       const __m256i vprod24x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi24x0123456789ABCDEF, vk24x0123456789ABCDEF);
416       const __m256i vprod24x0123456789ABCDEFhi = _mm256_srai_epi16(vprod24x0123456789ABCDEFlo, 15);
417 
418       vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod24x0123456789ABCDEFlo, vprod24x0123456789ABCDEFhi));
419       vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod24x0123456789ABCDEFlo, vprod24x0123456789ABCDEFhi));
420 
421       w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t) + 400 * sizeof(int8_t));
422 
423       vacc01234567 = _mm256_inserti128_si256(vacc012389AB, _mm256_castsi256_si128(vacc4567CDEF), 1);
424       vacc89ABCDEF = _mm256_permute2x128_si256(vacc012389AB, vacc4567CDEF, 0x31);
425 
426       __m256 vfpacc01234567 = _mm256_cvtepi32_ps(vacc01234567);
427       __m256 vfpacc89ABCDEF = _mm256_cvtepi32_ps(vacc89ABCDEF);
428 
429       const __m256 vscale = _mm256_load_ps(params->fp32_avx2.scale);
430       vfpacc01234567 = _mm256_mul_ps(vfpacc01234567, vscale);
431       vfpacc89ABCDEF = _mm256_mul_ps(vfpacc89ABCDEF, vscale);
432 
433       const __m256 voutput_max_less_zero_point = _mm256_load_ps(params->fp32_avx2.output_max_less_zero_point);
434       vfpacc01234567 = _mm256_min_ps(vfpacc01234567, voutput_max_less_zero_point);
435       vfpacc89ABCDEF = _mm256_min_ps(vfpacc89ABCDEF, voutput_max_less_zero_point);
436 
437       vacc01234567 = _mm256_cvtps_epi32(vfpacc01234567);
438       vacc89ABCDEF = _mm256_cvtps_epi32(vfpacc89ABCDEF);
439 
440       const __m256i voutput_zero_point = _mm256_load_si256((const __m256i*) params->fp32_avx2.output_zero_point);
441       const __m256i vout012389AB4567CDEF = _mm256_adds_epi16(_mm256_packs_epi32(vacc01234567, vacc89ABCDEF), voutput_zero_point);
442 
443       __m128i vout0123456789ABCDEF = _mm_shuffle_epi32(_mm_packs_epi16(_mm256_castsi256_si128(vout012389AB4567CDEF), _mm256_extracti128_si256(vout012389AB4567CDEF, 1)), _MM_SHUFFLE(3, 1, 2, 0));
444 
445       const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_avx2.output_min);
446       vout0123456789ABCDEF = _mm_max_epi8(vout0123456789ABCDEF, voutput_min);
447 
448       _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
449       output += 16;
450     }
451     if XNN_UNLIKELY(c != 0) {
452       {
453         __m256i vacc01234567 = _mm256_loadu_si256((const __m256i*) w);
454         __m256i vacc89ABCDEF = _mm256_loadu_si256((const __m256i*) ((uintptr_t) w + 8 * sizeof(int32_t)));
455 
456         __m256i vacc012389AB = _mm256_inserti128_si256(vacc01234567, _mm256_castsi256_si128(vacc89ABCDEF), 1);
457         __m256i vacc4567CDEF = _mm256_permute2x128_si256(vacc01234567, vacc89ABCDEF, 0x31);
458 
459 
460         const __m256i vi0x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i0));
461         const __m256i vk0x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 0 * sizeof(int8_t))));
462 
463         const __m256i vprod0x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi0x0123456789ABCDEF, vk0x0123456789ABCDEF);
464         const __m256i vprod0x0123456789ABCDEFhi = _mm256_srai_epi16(vprod0x0123456789ABCDEFlo, 15);
465 
466         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod0x0123456789ABCDEFlo, vprod0x0123456789ABCDEFhi));
467         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod0x0123456789ABCDEFlo, vprod0x0123456789ABCDEFhi));
468 
469         const __m256i vi1x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i1));
470         const __m256i vk1x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 16 * sizeof(int8_t))));
471 
472         const __m256i vprod1x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi1x0123456789ABCDEF, vk1x0123456789ABCDEF);
473         const __m256i vprod1x0123456789ABCDEFhi = _mm256_srai_epi16(vprod1x0123456789ABCDEFlo, 15);
474 
475         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod1x0123456789ABCDEFlo, vprod1x0123456789ABCDEFhi));
476         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod1x0123456789ABCDEFlo, vprod1x0123456789ABCDEFhi));
477 
478         const __m256i vi2x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i2));
479         const __m256i vk2x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 32 * sizeof(int8_t))));
480 
481         const __m256i vprod2x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi2x0123456789ABCDEF, vk2x0123456789ABCDEF);
482         const __m256i vprod2x0123456789ABCDEFhi = _mm256_srai_epi16(vprod2x0123456789ABCDEFlo, 15);
483 
484         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod2x0123456789ABCDEFlo, vprod2x0123456789ABCDEFhi));
485         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod2x0123456789ABCDEFlo, vprod2x0123456789ABCDEFhi));
486 
487         const __m256i vi3x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i3));
488         const __m256i vk3x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 48 * sizeof(int8_t))));
489 
490         const __m256i vprod3x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi3x0123456789ABCDEF, vk3x0123456789ABCDEF);
491         const __m256i vprod3x0123456789ABCDEFhi = _mm256_srai_epi16(vprod3x0123456789ABCDEFlo, 15);
492 
493         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod3x0123456789ABCDEFlo, vprod3x0123456789ABCDEFhi));
494         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod3x0123456789ABCDEFlo, vprod3x0123456789ABCDEFhi));
495 
496         const __m256i vi4x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i4));
497         const __m256i vk4x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 64 * sizeof(int8_t))));
498 
499         const __m256i vprod4x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi4x0123456789ABCDEF, vk4x0123456789ABCDEF);
500         const __m256i vprod4x0123456789ABCDEFhi = _mm256_srai_epi16(vprod4x0123456789ABCDEFlo, 15);
501 
502         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod4x0123456789ABCDEFlo, vprod4x0123456789ABCDEFhi));
503         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod4x0123456789ABCDEFlo, vprod4x0123456789ABCDEFhi));
504 
505         const __m256i vi5x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i5));
506         const __m256i vk5x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 80 * sizeof(int8_t))));
507 
508         const __m256i vprod5x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi5x0123456789ABCDEF, vk5x0123456789ABCDEF);
509         const __m256i vprod5x0123456789ABCDEFhi = _mm256_srai_epi16(vprod5x0123456789ABCDEFlo, 15);
510 
511         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod5x0123456789ABCDEFlo, vprod5x0123456789ABCDEFhi));
512         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod5x0123456789ABCDEFlo, vprod5x0123456789ABCDEFhi));
513 
514         const __m256i vi6x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i6));
515         const __m256i vk6x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 96 * sizeof(int8_t))));
516 
517         const __m256i vprod6x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi6x0123456789ABCDEF, vk6x0123456789ABCDEF);
518         const __m256i vprod6x0123456789ABCDEFhi = _mm256_srai_epi16(vprod6x0123456789ABCDEFlo, 15);
519 
520         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod6x0123456789ABCDEFlo, vprod6x0123456789ABCDEFhi));
521         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod6x0123456789ABCDEFlo, vprod6x0123456789ABCDEFhi));
522 
523         const __m256i vi7x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i7));
524         const __m256i vk7x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 112 * sizeof(int8_t))));
525 
526         const __m256i vprod7x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi7x0123456789ABCDEF, vk7x0123456789ABCDEF);
527         const __m256i vprod7x0123456789ABCDEFhi = _mm256_srai_epi16(vprod7x0123456789ABCDEFlo, 15);
528 
529         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod7x0123456789ABCDEFlo, vprod7x0123456789ABCDEFhi));
530         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod7x0123456789ABCDEFlo, vprod7x0123456789ABCDEFhi));
531 
532         const __m256i vi8x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i8));
533         const __m256i vk8x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 128 * sizeof(int8_t))));
534 
535         const __m256i vprod8x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi8x0123456789ABCDEF, vk8x0123456789ABCDEF);
536         const __m256i vprod8x0123456789ABCDEFhi = _mm256_srai_epi16(vprod8x0123456789ABCDEFlo, 15);
537 
538         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod8x0123456789ABCDEFlo, vprod8x0123456789ABCDEFhi));
539         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod8x0123456789ABCDEFlo, vprod8x0123456789ABCDEFhi));
540 
541         const __m256i vi9x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i9));
542         const __m256i vk9x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 144 * sizeof(int8_t))));
543 
544         const __m256i vprod9x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi9x0123456789ABCDEF, vk9x0123456789ABCDEF);
545         const __m256i vprod9x0123456789ABCDEFhi = _mm256_srai_epi16(vprod9x0123456789ABCDEFlo, 15);
546 
547         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod9x0123456789ABCDEFlo, vprod9x0123456789ABCDEFhi));
548         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod9x0123456789ABCDEFlo, vprod9x0123456789ABCDEFhi));
549 
550         const __m256i vi10x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i10));
551         const __m256i vk10x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 160 * sizeof(int8_t))));
552 
553         const __m256i vprod10x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi10x0123456789ABCDEF, vk10x0123456789ABCDEF);
554         const __m256i vprod10x0123456789ABCDEFhi = _mm256_srai_epi16(vprod10x0123456789ABCDEFlo, 15);
555 
556         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod10x0123456789ABCDEFlo, vprod10x0123456789ABCDEFhi));
557         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod10x0123456789ABCDEFlo, vprod10x0123456789ABCDEFhi));
558 
559         const __m256i vi11x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i11));
560         const __m256i vk11x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 176 * sizeof(int8_t))));
561 
562         const __m256i vprod11x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi11x0123456789ABCDEF, vk11x0123456789ABCDEF);
563         const __m256i vprod11x0123456789ABCDEFhi = _mm256_srai_epi16(vprod11x0123456789ABCDEFlo, 15);
564 
565         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod11x0123456789ABCDEFlo, vprod11x0123456789ABCDEFhi));
566         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod11x0123456789ABCDEFlo, vprod11x0123456789ABCDEFhi));
567 
568         const __m256i vi12x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i12));
569         const __m256i vk12x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 192 * sizeof(int8_t))));
570 
571         const __m256i vprod12x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi12x0123456789ABCDEF, vk12x0123456789ABCDEF);
572         const __m256i vprod12x0123456789ABCDEFhi = _mm256_srai_epi16(vprod12x0123456789ABCDEFlo, 15);
573 
574         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod12x0123456789ABCDEFlo, vprod12x0123456789ABCDEFhi));
575         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod12x0123456789ABCDEFlo, vprod12x0123456789ABCDEFhi));
576 
577         const __m256i vi13x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i13));
578         const __m256i vk13x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 208 * sizeof(int8_t))));
579 
580         const __m256i vprod13x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi13x0123456789ABCDEF, vk13x0123456789ABCDEF);
581         const __m256i vprod13x0123456789ABCDEFhi = _mm256_srai_epi16(vprod13x0123456789ABCDEFlo, 15);
582 
583         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod13x0123456789ABCDEFlo, vprod13x0123456789ABCDEFhi));
584         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod13x0123456789ABCDEFlo, vprod13x0123456789ABCDEFhi));
585 
586         const __m256i vi14x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i14));
587         const __m256i vk14x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 224 * sizeof(int8_t))));
588 
589         const __m256i vprod14x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi14x0123456789ABCDEF, vk14x0123456789ABCDEF);
590         const __m256i vprod14x0123456789ABCDEFhi = _mm256_srai_epi16(vprod14x0123456789ABCDEFlo, 15);
591 
592         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod14x0123456789ABCDEFlo, vprod14x0123456789ABCDEFhi));
593         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod14x0123456789ABCDEFlo, vprod14x0123456789ABCDEFhi));
594 
595         const __m256i vi15x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i15));
596         const __m256i vk15x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 240 * sizeof(int8_t))));
597 
598         const __m256i vprod15x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi15x0123456789ABCDEF, vk15x0123456789ABCDEF);
599         const __m256i vprod15x0123456789ABCDEFhi = _mm256_srai_epi16(vprod15x0123456789ABCDEFlo, 15);
600 
601         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod15x0123456789ABCDEFlo, vprod15x0123456789ABCDEFhi));
602         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod15x0123456789ABCDEFlo, vprod15x0123456789ABCDEFhi));
603 
604         const __m256i vi16x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i16));
605         const __m256i vk16x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 256 * sizeof(int8_t))));
606 
607         const __m256i vprod16x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi16x0123456789ABCDEF, vk16x0123456789ABCDEF);
608         const __m256i vprod16x0123456789ABCDEFhi = _mm256_srai_epi16(vprod16x0123456789ABCDEFlo, 15);
609 
610         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod16x0123456789ABCDEFlo, vprod16x0123456789ABCDEFhi));
611         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod16x0123456789ABCDEFlo, vprod16x0123456789ABCDEFhi));
612 
613         const __m256i vi17x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i17));
614         const __m256i vk17x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 272 * sizeof(int8_t))));
615 
616         const __m256i vprod17x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi17x0123456789ABCDEF, vk17x0123456789ABCDEF);
617         const __m256i vprod17x0123456789ABCDEFhi = _mm256_srai_epi16(vprod17x0123456789ABCDEFlo, 15);
618 
619         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod17x0123456789ABCDEFlo, vprod17x0123456789ABCDEFhi));
620         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod17x0123456789ABCDEFlo, vprod17x0123456789ABCDEFhi));
621 
622         const __m256i vi18x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i18));
623         const __m256i vk18x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 288 * sizeof(int8_t))));
624 
625         const __m256i vprod18x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi18x0123456789ABCDEF, vk18x0123456789ABCDEF);
626         const __m256i vprod18x0123456789ABCDEFhi = _mm256_srai_epi16(vprod18x0123456789ABCDEFlo, 15);
627 
628         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod18x0123456789ABCDEFlo, vprod18x0123456789ABCDEFhi));
629         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod18x0123456789ABCDEFlo, vprod18x0123456789ABCDEFhi));
630 
631         const __m256i vi19x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i19));
632         const __m256i vk19x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 304 * sizeof(int8_t))));
633 
634         const __m256i vprod19x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi19x0123456789ABCDEF, vk19x0123456789ABCDEF);
635         const __m256i vprod19x0123456789ABCDEFhi = _mm256_srai_epi16(vprod19x0123456789ABCDEFlo, 15);
636 
637         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod19x0123456789ABCDEFlo, vprod19x0123456789ABCDEFhi));
638         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod19x0123456789ABCDEFlo, vprod19x0123456789ABCDEFhi));
639 
640         const __m256i vi20x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i20));
641         const __m256i vk20x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 320 * sizeof(int8_t))));
642 
643         const __m256i vprod20x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi20x0123456789ABCDEF, vk20x0123456789ABCDEF);
644         const __m256i vprod20x0123456789ABCDEFhi = _mm256_srai_epi16(vprod20x0123456789ABCDEFlo, 15);
645 
646         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod20x0123456789ABCDEFlo, vprod20x0123456789ABCDEFhi));
647         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod20x0123456789ABCDEFlo, vprod20x0123456789ABCDEFhi));
648 
649         const __m256i vi21x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i21));
650         const __m256i vk21x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 336 * sizeof(int8_t))));
651 
652         const __m256i vprod21x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi21x0123456789ABCDEF, vk21x0123456789ABCDEF);
653         const __m256i vprod21x0123456789ABCDEFhi = _mm256_srai_epi16(vprod21x0123456789ABCDEFlo, 15);
654 
655         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod21x0123456789ABCDEFlo, vprod21x0123456789ABCDEFhi));
656         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod21x0123456789ABCDEFlo, vprod21x0123456789ABCDEFhi));
657 
658         const __m256i vi22x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i22));
659         const __m256i vk22x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 352 * sizeof(int8_t))));
660 
661         const __m256i vprod22x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi22x0123456789ABCDEF, vk22x0123456789ABCDEF);
662         const __m256i vprod22x0123456789ABCDEFhi = _mm256_srai_epi16(vprod22x0123456789ABCDEFlo, 15);
663 
664         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod22x0123456789ABCDEFlo, vprod22x0123456789ABCDEFhi));
665         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod22x0123456789ABCDEFlo, vprod22x0123456789ABCDEFhi));
666 
667         const __m256i vi23x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i23));
668         const __m256i vk23x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 368 * sizeof(int8_t))));
669 
670         const __m256i vprod23x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi23x0123456789ABCDEF, vk23x0123456789ABCDEF);
671         const __m256i vprod23x0123456789ABCDEFhi = _mm256_srai_epi16(vprod23x0123456789ABCDEFlo, 15);
672 
673         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod23x0123456789ABCDEFlo, vprod23x0123456789ABCDEFhi));
674         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod23x0123456789ABCDEFlo, vprod23x0123456789ABCDEFhi));
675 
676         const __m256i vi24x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) i24));
677         const __m256i vk24x0123456789ABCDEF = _mm256_cvtepi8_epi16(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int32_t) + 384 * sizeof(int8_t))));
678 
679         const __m256i vprod24x0123456789ABCDEFlo =  _mm256_mullo_epi16(vi24x0123456789ABCDEF, vk24x0123456789ABCDEF);
680         const __m256i vprod24x0123456789ABCDEFhi = _mm256_srai_epi16(vprod24x0123456789ABCDEFlo, 15);
681 
682         vacc012389AB = _mm256_add_epi32(vacc012389AB, _mm256_unpacklo_epi16(vprod24x0123456789ABCDEFlo, vprod24x0123456789ABCDEFhi));
683         vacc4567CDEF = _mm256_add_epi32(vacc4567CDEF, _mm256_unpackhi_epi16(vprod24x0123456789ABCDEFlo, vprod24x0123456789ABCDEFhi));
684 
685         vacc01234567 = _mm256_inserti128_si256(vacc012389AB, _mm256_castsi256_si128(vacc4567CDEF), 1);
686         vacc89ABCDEF = _mm256_permute2x128_si256(vacc012389AB, vacc4567CDEF, 0x31);
687 
688 
689         __m256 vfpacc01234567 = _mm256_cvtepi32_ps(vacc01234567);
690         __m256 vfpacc89ABCDEF = _mm256_cvtepi32_ps(vacc89ABCDEF);
691 
692         const __m256 vscale = _mm256_load_ps(params->fp32_avx2.scale);
693         vfpacc01234567 = _mm256_mul_ps(vfpacc01234567, vscale);
694         vfpacc89ABCDEF = _mm256_mul_ps(vfpacc89ABCDEF, vscale);
695 
696         const __m256 voutput_max_less_zero_point = _mm256_load_ps(params->fp32_avx2.output_max_less_zero_point);
697         vfpacc01234567 = _mm256_min_ps(vfpacc01234567, voutput_max_less_zero_point);
698         vfpacc89ABCDEF = _mm256_min_ps(vfpacc89ABCDEF, voutput_max_less_zero_point);
699 
700         vacc01234567 = _mm256_cvtps_epi32(vfpacc01234567);
701         vacc89ABCDEF = _mm256_cvtps_epi32(vfpacc89ABCDEF);
702 
703 
704         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_avx2.output_zero_point);
705         __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(_mm256_castsi256_si128(vacc01234567), _mm256_extracti128_si256(vacc01234567, 1)), voutput_zero_point);
706         __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(_mm256_castsi256_si128(vacc89ABCDEF), _mm256_extracti128_si256(vacc89ABCDEF, 1)), voutput_zero_point);
707 
708         const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_avx2.output_min);
709 
710         __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
711         vout0123456789ABCDEF = _mm_max_epi8(vout0123456789ABCDEF, voutput_min);
712 
713         if (c & 8) {
714           _mm_storel_epi64((__m128i*) output, vout0123456789ABCDEF);
715           vout0123456789ABCDEF = _mm_unpackhi_epi64(vout0123456789ABCDEF, vout0123456789ABCDEF);
716           output += 8;
717         }
718         if (c & 4) {
719           unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456789ABCDEF));
720           vout0123456789ABCDEF = _mm_srli_epi64(vout0123456789ABCDEF, 32);
721           output += 4;
722         }
723         if (c & 2) {
724           unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123456789ABCDEF, 0));
725           vout0123456789ABCDEF = _mm_srli_epi32(vout0123456789ABCDEF, 16);
726           output += 2;
727         }
728         if (c & 1) {
729           *output = (int8_t) _mm_extract_epi8(vout0123456789ABCDEF, 0);
730           output += 1;
731         }
732       }
733     }
734 
735     output = (int8_t*) ((uintptr_t) output + output_increment);
736   } while (--output_width != 0);
737 }
738