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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-gemm/avx-shuffle4.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2019 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/gemm.h>
15 
16 
xnn_f32_gemm_minmax_ukernel_3x16s4__fma3_broadcast(size_t mr,size_t nc,size_t kc,const float * restrict a,size_t a_stride,const float * restrict w,float * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_gemm_minmax_ukernel_3x16s4__fma3_broadcast(
18     size_t mr,
19     size_t nc,
20     size_t kc,
21     const float*restrict a,
22     size_t a_stride,
23     const float*restrict w,
24     float*restrict c,
25     size_t cm_stride,
26     size_t cn_stride,
27     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
28 {
29   assert(mr != 0);
30   assert(mr <= 3);
31   assert(nc != 0);
32   assert(kc != 0);
33   assert(kc % sizeof(float) == 0);
34   assert(a != NULL);
35   assert(w != NULL);
36   assert(c != NULL);
37 
38   const float* a0 = a;
39   float* c0 = c;
40   const float* a1 = (const float*) ((uintptr_t) a0 + a_stride);
41   float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
42   if XNN_UNPREDICTABLE(mr < 2) {
43     a1 = a0;
44     c1 = c0;
45   }
46   const float* a2 = (const float*) ((uintptr_t) a1 + a_stride);
47   float* c2 = (float*) ((uintptr_t) c1 + cm_stride);
48   if XNN_UNPREDICTABLE(mr <= 2) {
49     a2 = a1;
50     c2 = c1;
51   }
52 
53   do {
54     __m256 vacc0x01234567 = _mm256_load_ps(w + 0);
55     __m256 vacc0x89ABCDEF = _mm256_load_ps(w + 8);
56     __m256 vacc1x01234567 = vacc0x01234567;
57     __m256 vacc1x89ABCDEF = vacc0x89ABCDEF;
58     __m256 vacc2x01234567 = vacc0x01234567;
59     __m256 vacc2x89ABCDEF = vacc0x89ABCDEF;
60     w += 16;
61 
62     size_t k = kc;
63     while (k >= 4 * sizeof(float)) {
64       __m256 va0 = _mm256_broadcast_ps((const __m128*) a0);
65       a0 += 4;
66       __m256 va1 = _mm256_broadcast_ps((const __m128*) a1);
67       a1 += 4;
68       __m256 va2 = _mm256_broadcast_ps((const __m128*) a2);
69       a2 += 4;
70 
71 
72       const __m256 vb01234567c0 = _mm256_load_ps(w + 0);
73       const __m256 vb89ABCDEFc0 = _mm256_load_ps(w + 8);
74 
75       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c0, vacc0x01234567);
76       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c0, vacc1x01234567);
77       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c0, vacc2x01234567);
78       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc0, vacc0x89ABCDEF);
79       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc0, vacc1x89ABCDEF);
80       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc0, vacc2x89ABCDEF);
81 
82       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
83       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
84       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
85 
86       const __m256 vb01234567c1 = _mm256_load_ps(w + 16);
87       const __m256 vb89ABCDEFc1 = _mm256_load_ps(w + 24);
88 
89       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c1, vacc0x01234567);
90       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c1, vacc1x01234567);
91       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c1, vacc2x01234567);
92       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc1, vacc0x89ABCDEF);
93       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc1, vacc1x89ABCDEF);
94       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc1, vacc2x89ABCDEF);
95 
96       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
97       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
98       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
99 
100       const __m256 vb01234567c2 = _mm256_load_ps(w + 32);
101       const __m256 vb89ABCDEFc2 = _mm256_load_ps(w + 40);
102 
103       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c2, vacc0x01234567);
104       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c2, vacc1x01234567);
105       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c2, vacc2x01234567);
106       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc2, vacc0x89ABCDEF);
107       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc2, vacc1x89ABCDEF);
108       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc2, vacc2x89ABCDEF);
109 
110       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
111       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
112       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
113 
114       const __m256 vb01234567c3 = _mm256_load_ps(w + 48);
115       const __m256 vb89ABCDEFc3 = _mm256_load_ps(w + 56);
116 
117       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c3, vacc0x01234567);
118       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c3, vacc1x01234567);
119       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c3, vacc2x01234567);
120       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc3, vacc0x89ABCDEF);
121       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc3, vacc1x89ABCDEF);
122       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc3, vacc2x89ABCDEF);
123 
124 
125       w += 64;
126       k -= 4 * sizeof(float);
127     }
128     if XNN_UNLIKELY(k != 0) {
129       do {
130         const __m256 va0 = _mm256_broadcast_ss(a0);
131         a0 += 1;
132         const __m256 va1 = _mm256_broadcast_ss(a1);
133         a1 += 1;
134         const __m256 va2 = _mm256_broadcast_ss(a2);
135         a2 += 1;
136 
137         const __m256 vb01234567 = _mm256_load_ps(w);
138         const __m256 vb89ABCDEF = _mm256_load_ps(w + 8);
139         w += 16;
140 
141         vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567, vacc0x01234567);
142         vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567, vacc1x01234567);
143         vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567, vacc2x01234567);
144         vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEF, vacc0x89ABCDEF);
145         vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEF, vacc1x89ABCDEF);
146         vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEF, vacc2x89ABCDEF);
147 
148         k -= sizeof(float);
149       } while (k != 0);
150     }
151 
152     const __m256 vmax = _mm256_broadcast_ps((const __m128*) params->sse.max);
153     vacc0x01234567 = _mm256_min_ps(vacc0x01234567, vmax);
154     vacc1x01234567 = _mm256_min_ps(vacc1x01234567, vmax);
155     vacc2x01234567 = _mm256_min_ps(vacc2x01234567, vmax);
156     vacc0x89ABCDEF = _mm256_min_ps(vacc0x89ABCDEF, vmax);
157     vacc1x89ABCDEF = _mm256_min_ps(vacc1x89ABCDEF, vmax);
158     vacc2x89ABCDEF = _mm256_min_ps(vacc2x89ABCDEF, vmax);
159 
160     const __m256 vmin = _mm256_broadcast_ps((const __m128*) params->sse.min);
161     vacc0x01234567 = _mm256_max_ps(vacc0x01234567, vmin);
162     vacc1x01234567 = _mm256_max_ps(vacc1x01234567, vmin);
163     vacc2x01234567 = _mm256_max_ps(vacc2x01234567, vmin);
164     vacc0x89ABCDEF = _mm256_max_ps(vacc0x89ABCDEF, vmin);
165     vacc1x89ABCDEF = _mm256_max_ps(vacc1x89ABCDEF, vmin);
166     vacc2x89ABCDEF = _mm256_max_ps(vacc2x89ABCDEF, vmin);
167 
168     if XNN_LIKELY(nc >= 16) {
169       _mm256_storeu_ps(c2, vacc2x01234567);
170       _mm256_storeu_ps(c2 + 8, vacc2x89ABCDEF);
171       c2 = (float*) ((uintptr_t) c2 + cn_stride);
172       _mm256_storeu_ps(c1, vacc1x01234567);
173       _mm256_storeu_ps(c1 + 8, vacc1x89ABCDEF);
174       c1 = (float*) ((uintptr_t) c1 + cn_stride);
175       _mm256_storeu_ps(c0, vacc0x01234567);
176       _mm256_storeu_ps(c0 + 8, vacc0x89ABCDEF);
177       c0 = (float*) ((uintptr_t) c0 + cn_stride);
178 
179       a2 = (const float*) ((uintptr_t) a2 - kc);
180       a1 = (const float*) ((uintptr_t) a1 - kc);
181       a0 = (const float*) ((uintptr_t) a0 - kc);
182 
183       nc -= 16;
184     } else {
185       if (nc & 8) {
186         _mm256_storeu_ps(c2, vacc2x01234567);
187         _mm256_storeu_ps(c1, vacc1x01234567);
188         _mm256_storeu_ps(c0, vacc0x01234567);
189 
190         vacc2x01234567 = vacc2x89ABCDEF;
191         vacc1x01234567 = vacc1x89ABCDEF;
192         vacc0x01234567 = vacc0x89ABCDEF;
193 
194         c2 += 8;
195         c1 += 8;
196         c0 += 8;
197       }
198       __m128 vacc2x0123 = _mm256_castps256_ps128(vacc2x01234567);
199       __m128 vacc1x0123 = _mm256_castps256_ps128(vacc1x01234567);
200       __m128 vacc0x0123 = _mm256_castps256_ps128(vacc0x01234567);
201       if (nc & 4) {
202         _mm_storeu_ps(c2, vacc2x0123);
203         _mm_storeu_ps(c1, vacc1x0123);
204         _mm_storeu_ps(c0, vacc0x0123);
205 
206         vacc2x0123 = _mm256_extractf128_ps(vacc2x01234567, 1);
207         vacc1x0123 = _mm256_extractf128_ps(vacc1x01234567, 1);
208         vacc0x0123 = _mm256_extractf128_ps(vacc0x01234567, 1);
209 
210         c2 += 4;
211         c1 += 4;
212         c0 += 4;
213       }
214       if (nc & 2) {
215         _mm_storel_pi((__m64*) c2, vacc2x0123);
216         _mm_storel_pi((__m64*) c1, vacc1x0123);
217         _mm_storel_pi((__m64*) c0, vacc0x0123);
218 
219         vacc2x0123 = _mm_movehl_ps(vacc2x0123, vacc2x0123);
220         vacc1x0123 = _mm_movehl_ps(vacc1x0123, vacc1x0123);
221         vacc0x0123 = _mm_movehl_ps(vacc0x0123, vacc0x0123);
222 
223         c2 += 2;
224         c1 += 2;
225         c0 += 2;
226       }
227       if (nc & 1) {
228         _mm_store_ss(c2, vacc2x0123);
229         _mm_store_ss(c1, vacc1x0123);
230         _mm_store_ss(c0, vacc0x0123);
231       }
232 
233       nc = 0;
234     }
235   } while (nc != 0);
236 }
237