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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_ukernel_3x16__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_output_params params[restrict static1])17 void xnn_f32_gemm_ukernel_3x16__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_output_params params[restrict static 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     do {
64       const __m256 va0 = _mm256_broadcast_ss(a0);
65       a0 += 1;
66       const __m256 va1 = _mm256_broadcast_ss(a1);
67       a1 += 1;
68       const __m256 va2 = _mm256_broadcast_ss(a2);
69       a2 += 1;
70 
71       const __m256 vb01234567 = _mm256_load_ps(w);
72       const __m256 vb89ABCDEF = _mm256_load_ps(w + 8);
73       w += 16;
74 
75       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567, vacc0x01234567);
76       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567, vacc1x01234567);
77       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567, vacc2x01234567);
78       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEF, vacc0x89ABCDEF);
79       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEF, vacc1x89ABCDEF);
80       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEF, vacc2x89ABCDEF);
81 
82       k -= sizeof(float);
83     } while (k != 0);
84 
85     const __m256 vmax = _mm256_broadcast_ps((const __m128*) params->sse.max);
86     vacc0x01234567 = _mm256_min_ps(vacc0x01234567, vmax);
87     vacc1x01234567 = _mm256_min_ps(vacc1x01234567, vmax);
88     vacc2x01234567 = _mm256_min_ps(vacc2x01234567, vmax);
89     vacc0x89ABCDEF = _mm256_min_ps(vacc0x89ABCDEF, vmax);
90     vacc1x89ABCDEF = _mm256_min_ps(vacc1x89ABCDEF, vmax);
91     vacc2x89ABCDEF = _mm256_min_ps(vacc2x89ABCDEF, vmax);
92 
93     const __m256 vmin = _mm256_broadcast_ps((const __m128*) params->sse.min);
94     vacc0x01234567 = _mm256_max_ps(vacc0x01234567, vmin);
95     vacc1x01234567 = _mm256_max_ps(vacc1x01234567, vmin);
96     vacc2x01234567 = _mm256_max_ps(vacc2x01234567, vmin);
97     vacc0x89ABCDEF = _mm256_max_ps(vacc0x89ABCDEF, vmin);
98     vacc1x89ABCDEF = _mm256_max_ps(vacc1x89ABCDEF, vmin);
99     vacc2x89ABCDEF = _mm256_max_ps(vacc2x89ABCDEF, vmin);
100 
101     if XNN_LIKELY(nc >= 16) {
102       _mm256_storeu_ps(c2, vacc2x01234567);
103       _mm256_storeu_ps(c2 + 8, vacc2x89ABCDEF);
104       c2 = (float*) ((uintptr_t) c2 + cn_stride);
105       _mm256_storeu_ps(c1, vacc1x01234567);
106       _mm256_storeu_ps(c1 + 8, vacc1x89ABCDEF);
107       c1 = (float*) ((uintptr_t) c1 + cn_stride);
108       _mm256_storeu_ps(c0, vacc0x01234567);
109       _mm256_storeu_ps(c0 + 8, vacc0x89ABCDEF);
110       c0 = (float*) ((uintptr_t) c0 + cn_stride);
111 
112       a2 = (const float*) ((uintptr_t) a2 - kc);
113       a1 = (const float*) ((uintptr_t) a1 - kc);
114       a0 = (const float*) ((uintptr_t) a0 - kc);
115 
116       nc -= 16;
117     } else {
118       if (nc & 8) {
119         _mm256_storeu_ps(c2, vacc2x01234567);
120         _mm256_storeu_ps(c1, vacc1x01234567);
121         _mm256_storeu_ps(c0, vacc0x01234567);
122 
123         vacc2x01234567 = vacc2x89ABCDEF;
124         vacc1x01234567 = vacc1x89ABCDEF;
125         vacc0x01234567 = vacc0x89ABCDEF;
126 
127         c2 += 8;
128         c1 += 8;
129         c0 += 8;
130       }
131       __m128 vacc2x0123 = _mm256_castps256_ps128(vacc2x01234567);
132       __m128 vacc1x0123 = _mm256_castps256_ps128(vacc1x01234567);
133       __m128 vacc0x0123 = _mm256_castps256_ps128(vacc0x01234567);
134       if (nc & 4) {
135         _mm_storeu_ps(c2, vacc2x0123);
136         _mm_storeu_ps(c1, vacc1x0123);
137         _mm_storeu_ps(c0, vacc0x0123);
138 
139         vacc2x0123 = _mm256_extractf128_ps(vacc2x01234567, 1);
140         vacc1x0123 = _mm256_extractf128_ps(vacc1x01234567, 1);
141         vacc0x0123 = _mm256_extractf128_ps(vacc0x01234567, 1);
142 
143         c2 += 4;
144         c1 += 4;
145         c0 += 4;
146       }
147       if (nc & 2) {
148         _mm_storel_pi((__m64*) c2, vacc2x0123);
149         _mm_storel_pi((__m64*) c1, vacc1x0123);
150         _mm_storel_pi((__m64*) c0, vacc0x0123);
151 
152         vacc2x0123 = _mm_movehl_ps(vacc2x0123, vacc2x0123);
153         vacc1x0123 = _mm_movehl_ps(vacc1x0123, vacc1x0123);
154         vacc0x0123 = _mm_movehl_ps(vacc0x0123, vacc0x0123);
155 
156         c2 += 2;
157         c1 += 2;
158         c0 += 2;
159       }
160       if (nc & 1) {
161         _mm_store_ss(c2, vacc2x0123);
162         _mm_store_ss(c1, vacc1x0123);
163         _mm_store_ss(c0, vacc0x0123);
164       }
165 
166       nc = 0;
167     }
168   } while (nc != 0);
169 }
170