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1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-igemm/MRx4c2-sse.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2020 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9 
10 #include <assert.h>
11 
12 #if defined(__GNUC__) || defined(__clang__)
13   #include <x86intrin.h>
14 #else
15   #include <immintrin.h>
16   #include <ammintrin.h>
17 #endif
18 
19 #include <xnnpack/igemm.h>
20 #include <xnnpack/math.h>
21 
22 
xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2__xop_ld128(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])23 void xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2__xop_ld128(
24     size_t mr,
25     size_t nc,
26     size_t kc,
27     size_t ks,
28     const int8_t** restrict a,
29     const void* restrict w,
30     int8_t* restrict c,
31     size_t cm_stride,
32     size_t cn_stride,
33     size_t a_offset,
34     const int8_t* zero,
35     const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
36 {
37   assert(mr != 0);
38   assert(mr <= 3);
39   assert(nc != 0);
40   assert(kc != 0);
41   assert(ks != 0);
42   assert(ks % (3 * sizeof(void*)) == 0);
43   assert(a_offset % sizeof(int8_t) == 0);
44   assert(a != NULL);
45   assert(w != NULL);
46   assert(c != NULL);
47 
48   kc = round_up_po2(kc, 2);
49   int8_t* c0 = c;
50   int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
51   if XNN_UNPREDICTABLE(mr < 2) {
52     c1 = c0;
53   }
54   int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
55   if XNN_UNPREDICTABLE(mr <= 2) {
56     c2 = c1;
57   }
58 
59   do {
60     __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
61     __m128i vacc1x0123 = vacc0x0123;
62     __m128i vacc2x0123 = vacc0x0123;
63     w = (const void*) ((const int32_t*) w + 4);
64 
65     size_t p = ks;
66     do {
67       const int8_t* restrict a0 = a[0];
68       if XNN_UNPREDICTABLE(a0 != zero) {
69         a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
70       }
71       const int8_t* restrict a1 = a[1];
72       if XNN_UNPREDICTABLE(a1 != zero) {
73         a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
74       }
75       const int8_t* restrict a2 = a[2];
76       if XNN_UNPREDICTABLE(a2 != zero) {
77         a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
78       }
79       a += 3;
80 
81       size_t k = kc;
82       while (k >= 8 * sizeof(int8_t)) {
83         const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
84         const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
85         a0 += 8;
86         const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
87         const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
88         a1 += 8;
89         const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
90         const __m128i vxa2 = _mm_cvtepi8_epi16(va2);
91         a2 += 8;
92 
93         const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
94         const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
95         const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
96 
97         vacc0x0123 = _mm_maddd_epi16(
98           _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123);
99         vacc1x0123 = _mm_maddd_epi16(
100           _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc1x0123);
101         vacc2x0123 = _mm_maddd_epi16(
102           _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc2x0123);
103 
104         vacc0x0123 = _mm_maddd_epi16(
105           _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123);
106         vacc1x0123 = _mm_maddd_epi16(
107           _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc1x0123);
108         vacc2x0123 = _mm_maddd_epi16(
109           _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc2x0123);
110         const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const int8_t*) w + 16));
111         const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
112         const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
113 
114         vacc0x0123 = _mm_maddd_epi16(
115           _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123);
116         vacc1x0123 = _mm_maddd_epi16(
117           _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc1x0123);
118         vacc2x0123 = _mm_maddd_epi16(
119           _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc2x0123);
120 
121         vacc0x0123 = _mm_maddd_epi16(
122           _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc0x0123);
123         vacc1x0123 = _mm_maddd_epi16(
124           _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc1x0123);
125         vacc2x0123 = _mm_maddd_epi16(
126           _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc2x0123);
127 
128         w = (const void*) ((const int8_t*) w + 32);
129         k -= 8 * sizeof(int8_t);
130       }
131       if (k != 0) {
132         const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
133         const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
134         a0 = (const int8_t*) ((uintptr_t) a0 + k);
135         const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
136         const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
137         a1 = (const int8_t*) ((uintptr_t) a1 + k);
138         const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
139         const __m128i vxa2 = _mm_cvtepi8_epi16(va2);
140         a2 = (const int8_t*) ((uintptr_t) a2 + k);
141 
142         const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
143         w = (const void*) ((const int8_t*) w + 8);
144         const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
145 
146         vacc0x0123 = _mm_maddd_epi16(
147           _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123);
148         vacc1x0123 = _mm_maddd_epi16(
149           _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc1x0123);
150         vacc2x0123 = _mm_maddd_epi16(
151           _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc2x0123);
152 
153         if (k > 2 * sizeof(int8_t)) {
154           const __m128i vb1 = _mm_loadl_epi64((const __m128i*) w);
155           w = (const void*) ((const int8_t*) w + 8);
156           const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
157 
158           vacc0x0123 = _mm_maddd_epi16(
159             _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123);
160           vacc1x0123 = _mm_maddd_epi16(
161             _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc1x0123);
162           vacc2x0123 = _mm_maddd_epi16(
163             _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc2x0123);
164 
165           if (k > 4 * sizeof(int8_t)) {
166             const __m128i vb2 = _mm_loadl_epi64((const __m128i*) w);
167             w = (const void*) ((const int8_t*) w + 8);
168             const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
169 
170             vacc0x0123 = _mm_maddd_epi16(
171               _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123);
172             vacc1x0123 = _mm_maddd_epi16(
173               _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc1x0123);
174             vacc2x0123 = _mm_maddd_epi16(
175               _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc2x0123);
176           }
177         }
178       }
179       p -= 3 * sizeof(void*);
180     } while (p != 0);
181 
182     __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
183     __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
184     __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
185 
186     const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
187     w = (const void*) ((const float*) w + 4);
188     vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
189     vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
190     vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
191 
192     const __m128 voutput_max_less_zero_point = _mm_load_ps(params->sse4.output_max_less_zero_point);
193     vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
194     vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
195     vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
196 
197     vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
198     vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
199     vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
200 
201     const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4.output_zero_point);
202     __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
203     __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
204 
205 
206     __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
207 
208     vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->sse4.output_min));
209 
210     if (nc >= 4) {
211       *((uint32_t*) c2) = (uint32_t) _mm_extract_epi32(vout, 2);
212       c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
213       *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
214       c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
215       *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
216       c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
217 
218       a = (const int8_t**restrict) ((uintptr_t) a - ks);
219 
220       nc -= 4;
221     } else {
222       if (nc & 2) {
223         *((uint16_t*) c2) = (uint16_t) _mm_extract_epi16(vout, 4);
224         c2 += 2;
225         *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
226         c1 += 2;
227         *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
228         c0 += 2;
229         vout = _mm_srli_epi32(vout, 16);
230       }
231       if (nc & 1) {
232         *c2 = (int8_t) _mm_extract_epi8(vout, 8);
233         *c1 = (int8_t) _mm_extract_epi8(vout, 4);
234         *c0 = (int8_t) _mm_extract_epi8(vout, 0);
235       }
236 
237       nc = 0;
238     }
239   } while (nc != 0);
240 }
241