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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-gemm/avx-broadcast.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_4x16__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_4x16__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 <= 4);
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   const float* a3 = (const float*) ((uintptr_t) a2 + a_stride);
53   float* c3 = (float*) ((uintptr_t) c2 + cm_stride);
54   if XNN_UNPREDICTABLE(mr != 4) {
55     a3 = a2;
56     c3 = c2;
57   }
58 
59   do {
60     __m256 vacc0x01234567 = _mm256_load_ps(w + 0);
61     __m256 vacc0x89ABCDEF = _mm256_load_ps(w + 8);
62     __m256 vacc1x01234567 = vacc0x01234567;
63     __m256 vacc1x89ABCDEF = vacc0x89ABCDEF;
64     __m256 vacc2x01234567 = vacc0x01234567;
65     __m256 vacc2x89ABCDEF = vacc0x89ABCDEF;
66     __m256 vacc3x01234567 = vacc0x01234567;
67     __m256 vacc3x89ABCDEF = vacc0x89ABCDEF;
68     w += 16;
69 
70     size_t k = kc;
71     do {
72       const __m256 va0 = _mm256_broadcast_ss(a0);
73       a0 += 1;
74       const __m256 va1 = _mm256_broadcast_ss(a1);
75       a1 += 1;
76       const __m256 va2 = _mm256_broadcast_ss(a2);
77       a2 += 1;
78       const __m256 va3 = _mm256_broadcast_ss(a3);
79       a3 += 1;
80 
81       const __m256 vb01234567 = _mm256_load_ps(w);
82       const __m256 vb89ABCDEF = _mm256_load_ps(w + 8);
83       w += 16;
84 
85       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567, vacc0x01234567);
86       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567, vacc1x01234567);
87       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567, vacc2x01234567);
88       vacc3x01234567 = _mm256_fmadd_ps(va3, vb01234567, vacc3x01234567);
89       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEF, vacc0x89ABCDEF);
90       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEF, vacc1x89ABCDEF);
91       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEF, vacc2x89ABCDEF);
92       vacc3x89ABCDEF = _mm256_fmadd_ps(va3, vb89ABCDEF, vacc3x89ABCDEF);
93 
94       k -= sizeof(float);
95     } while (k != 0);
96 
97     const __m256 vmax = _mm256_broadcast_ps((const __m128*) params->sse.max);
98     vacc0x01234567 = _mm256_min_ps(vacc0x01234567, vmax);
99     vacc1x01234567 = _mm256_min_ps(vacc1x01234567, vmax);
100     vacc2x01234567 = _mm256_min_ps(vacc2x01234567, vmax);
101     vacc3x01234567 = _mm256_min_ps(vacc3x01234567, vmax);
102     vacc0x89ABCDEF = _mm256_min_ps(vacc0x89ABCDEF, vmax);
103     vacc1x89ABCDEF = _mm256_min_ps(vacc1x89ABCDEF, vmax);
104     vacc2x89ABCDEF = _mm256_min_ps(vacc2x89ABCDEF, vmax);
105     vacc3x89ABCDEF = _mm256_min_ps(vacc3x89ABCDEF, vmax);
106 
107     const __m256 vmin = _mm256_broadcast_ps((const __m128*) params->sse.min);
108     vacc0x01234567 = _mm256_max_ps(vacc0x01234567, vmin);
109     vacc1x01234567 = _mm256_max_ps(vacc1x01234567, vmin);
110     vacc2x01234567 = _mm256_max_ps(vacc2x01234567, vmin);
111     vacc3x01234567 = _mm256_max_ps(vacc3x01234567, vmin);
112     vacc0x89ABCDEF = _mm256_max_ps(vacc0x89ABCDEF, vmin);
113     vacc1x89ABCDEF = _mm256_max_ps(vacc1x89ABCDEF, vmin);
114     vacc2x89ABCDEF = _mm256_max_ps(vacc2x89ABCDEF, vmin);
115     vacc3x89ABCDEF = _mm256_max_ps(vacc3x89ABCDEF, vmin);
116 
117     if XNN_LIKELY(nc >= 16) {
118       _mm256_storeu_ps(c3, vacc3x01234567);
119       _mm256_storeu_ps(c3 + 8, vacc3x89ABCDEF);
120       c3 = (float*) ((uintptr_t) c3 + cn_stride);
121       _mm256_storeu_ps(c2, vacc2x01234567);
122       _mm256_storeu_ps(c2 + 8, vacc2x89ABCDEF);
123       c2 = (float*) ((uintptr_t) c2 + cn_stride);
124       _mm256_storeu_ps(c1, vacc1x01234567);
125       _mm256_storeu_ps(c1 + 8, vacc1x89ABCDEF);
126       c1 = (float*) ((uintptr_t) c1 + cn_stride);
127       _mm256_storeu_ps(c0, vacc0x01234567);
128       _mm256_storeu_ps(c0 + 8, vacc0x89ABCDEF);
129       c0 = (float*) ((uintptr_t) c0 + cn_stride);
130 
131       a3 = (const float*) ((uintptr_t) a3 - kc);
132       a2 = (const float*) ((uintptr_t) a2 - kc);
133       a1 = (const float*) ((uintptr_t) a1 - kc);
134       a0 = (const float*) ((uintptr_t) a0 - kc);
135 
136       nc -= 16;
137     } else {
138       if (nc & 8) {
139         _mm256_storeu_ps(c3, vacc3x01234567);
140         _mm256_storeu_ps(c2, vacc2x01234567);
141         _mm256_storeu_ps(c1, vacc1x01234567);
142         _mm256_storeu_ps(c0, vacc0x01234567);
143 
144         vacc3x01234567 = vacc3x89ABCDEF;
145         vacc2x01234567 = vacc2x89ABCDEF;
146         vacc1x01234567 = vacc1x89ABCDEF;
147         vacc0x01234567 = vacc0x89ABCDEF;
148 
149         c3 += 8;
150         c2 += 8;
151         c1 += 8;
152         c0 += 8;
153       }
154       __m128 vacc3x0123 = _mm256_castps256_ps128(vacc3x01234567);
155       __m128 vacc2x0123 = _mm256_castps256_ps128(vacc2x01234567);
156       __m128 vacc1x0123 = _mm256_castps256_ps128(vacc1x01234567);
157       __m128 vacc0x0123 = _mm256_castps256_ps128(vacc0x01234567);
158       if (nc & 4) {
159         _mm_storeu_ps(c3, vacc3x0123);
160         _mm_storeu_ps(c2, vacc2x0123);
161         _mm_storeu_ps(c1, vacc1x0123);
162         _mm_storeu_ps(c0, vacc0x0123);
163 
164         vacc3x0123 = _mm256_extractf128_ps(vacc3x01234567, 1);
165         vacc2x0123 = _mm256_extractf128_ps(vacc2x01234567, 1);
166         vacc1x0123 = _mm256_extractf128_ps(vacc1x01234567, 1);
167         vacc0x0123 = _mm256_extractf128_ps(vacc0x01234567, 1);
168 
169         c3 += 4;
170         c2 += 4;
171         c1 += 4;
172         c0 += 4;
173       }
174       if (nc & 2) {
175         _mm_storel_pi((__m64*) c3, vacc3x0123);
176         _mm_storel_pi((__m64*) c2, vacc2x0123);
177         _mm_storel_pi((__m64*) c1, vacc1x0123);
178         _mm_storel_pi((__m64*) c0, vacc0x0123);
179 
180         vacc3x0123 = _mm_movehl_ps(vacc3x0123, vacc3x0123);
181         vacc2x0123 = _mm_movehl_ps(vacc2x0123, vacc2x0123);
182         vacc1x0123 = _mm_movehl_ps(vacc1x0123, vacc1x0123);
183         vacc0x0123 = _mm_movehl_ps(vacc0x0123, vacc0x0123);
184 
185         c3 += 2;
186         c2 += 2;
187         c1 += 2;
188         c0 += 2;
189       }
190       if (nc & 1) {
191         _mm_store_ss(c3, vacc3x0123);
192         _mm_store_ss(c2, vacc2x0123);
193         _mm_store_ss(c1, vacc1x0123);
194         _mm_store_ss(c0, vacc0x0123);
195       }
196 
197       nc = 0;
198     }
199   } while (nc != 0);
200 }
201