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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-gemm/avx512-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 #include <xnnpack/intrinsics-polyfill.h>
16 
17 
xnn_f32_gemm_minmax_ukernel_8x16__avx512f_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)])18 void xnn_f32_gemm_minmax_ukernel_8x16__avx512f_broadcast(
19     size_t mr,
20     size_t nc,
21     size_t kc,
22     const float*restrict a,
23     size_t a_stride,
24     const float*restrict w,
25     float*restrict c,
26     size_t cm_stride,
27     size_t cn_stride,
28     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
29 {
30   assert(mr != 0);
31   assert(mr <= 8);
32   assert(nc != 0);
33   assert(kc != 0);
34   assert(kc % sizeof(float) == 0);
35   assert(a != NULL);
36   assert(w != NULL);
37   assert(c != NULL);
38 
39   const float* a0 = a;
40   float* c0 = c;
41   const float* a1 = (const float*) ((uintptr_t) a0 + a_stride);
42   float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
43   if XNN_UNPREDICTABLE(mr < 2) {
44     a1 = a0;
45     c1 = c0;
46   }
47   const float* a2 = (const float*) ((uintptr_t) a1 + a_stride);
48   float* c2 = (float*) ((uintptr_t) c1 + cm_stride);
49   if XNN_UNPREDICTABLE(mr <= 2) {
50     a2 = a1;
51     c2 = c1;
52   }
53   const float* a3 = (const float*) ((uintptr_t) a2 + a_stride);
54   float* c3 = (float*) ((uintptr_t) c2 + cm_stride);
55   if XNN_UNPREDICTABLE(mr < 4) {
56     a3 = a2;
57     c3 = c2;
58   }
59   const float* a4 = (const float*) ((uintptr_t) a3 + a_stride);
60   float* c4 = (float*) ((uintptr_t) c3 + cm_stride);
61   if XNN_UNPREDICTABLE(mr <= 4) {
62     a4 = a3;
63     c4 = c3;
64   }
65   const float* a5 = (const float*) ((uintptr_t) a4 + a_stride);
66   float* c5 = (float*) ((uintptr_t) c4 + cm_stride);
67   if XNN_UNPREDICTABLE(mr < 6) {
68     a5 = a4;
69     c5 = c4;
70   }
71   const float* a6 = (const float*) ((uintptr_t) a5 + a_stride);
72   float* c6 = (float*) ((uintptr_t) c5 + cm_stride);
73   if XNN_UNPREDICTABLE(mr <= 6) {
74     a6 = a5;
75     c6 = c5;
76   }
77   const float* a7 = (const float*) ((uintptr_t) a6 + a_stride);
78   float* c7 = (float*) ((uintptr_t) c6 + cm_stride);
79   if XNN_UNPREDICTABLE(mr != 8) {
80     a7 = a6;
81     c7 = c6;
82   }
83 
84   do {
85     __m512 vacc0x0123456789ABCDEF = _mm512_load_ps(w);
86     __m512 vacc1x0123456789ABCDEF = vacc0x0123456789ABCDEF;
87     __m512 vacc2x0123456789ABCDEF = vacc0x0123456789ABCDEF;
88     __m512 vacc3x0123456789ABCDEF = vacc0x0123456789ABCDEF;
89     __m512 vacc4x0123456789ABCDEF = vacc0x0123456789ABCDEF;
90     __m512 vacc5x0123456789ABCDEF = vacc0x0123456789ABCDEF;
91     __m512 vacc6x0123456789ABCDEF = vacc0x0123456789ABCDEF;
92     __m512 vacc7x0123456789ABCDEF = vacc0x0123456789ABCDEF;
93     w += 16;
94 
95     size_t k = kc;
96     do {
97       const __m512 vb0123456789ABCDEF = _mm512_load_ps(w);
98       w += 16;
99 
100       vacc0x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a0), vb0123456789ABCDEF, vacc0x0123456789ABCDEF);
101       vacc1x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a1), vb0123456789ABCDEF, vacc1x0123456789ABCDEF);
102       vacc2x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a2), vb0123456789ABCDEF, vacc2x0123456789ABCDEF);
103       vacc3x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a3), vb0123456789ABCDEF, vacc3x0123456789ABCDEF);
104       vacc4x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a4), vb0123456789ABCDEF, vacc4x0123456789ABCDEF);
105       vacc5x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a5), vb0123456789ABCDEF, vacc5x0123456789ABCDEF);
106       vacc6x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a6), vb0123456789ABCDEF, vacc6x0123456789ABCDEF);
107       vacc7x0123456789ABCDEF = _mm512_fmadd_ps(_mm512_set1_ps(*a7), vb0123456789ABCDEF, vacc7x0123456789ABCDEF);
108 
109       a0 += 1;
110       a1 += 1;
111       a2 += 1;
112       a3 += 1;
113       a4 += 1;
114       a5 += 1;
115       a6 += 1;
116       a7 += 1;
117 
118       k -= sizeof(float);
119     } while (k != 0);
120 
121     const __m512 vmax = _mm512_broadcast_f32x4(_mm_load_ps(params->sse.max));
122     vacc0x0123456789ABCDEF = _mm512_min_ps(vacc0x0123456789ABCDEF, vmax);
123     vacc1x0123456789ABCDEF = _mm512_min_ps(vacc1x0123456789ABCDEF, vmax);
124     vacc2x0123456789ABCDEF = _mm512_min_ps(vacc2x0123456789ABCDEF, vmax);
125     vacc3x0123456789ABCDEF = _mm512_min_ps(vacc3x0123456789ABCDEF, vmax);
126     vacc4x0123456789ABCDEF = _mm512_min_ps(vacc4x0123456789ABCDEF, vmax);
127     vacc5x0123456789ABCDEF = _mm512_min_ps(vacc5x0123456789ABCDEF, vmax);
128     vacc6x0123456789ABCDEF = _mm512_min_ps(vacc6x0123456789ABCDEF, vmax);
129     vacc7x0123456789ABCDEF = _mm512_min_ps(vacc7x0123456789ABCDEF, vmax);
130 
131     const __m512 vmin = _mm512_broadcast_f32x4(_mm_load_ps(params->sse.min));
132     vacc0x0123456789ABCDEF = _mm512_max_ps(vacc0x0123456789ABCDEF, vmin);
133     vacc1x0123456789ABCDEF = _mm512_max_ps(vacc1x0123456789ABCDEF, vmin);
134     vacc2x0123456789ABCDEF = _mm512_max_ps(vacc2x0123456789ABCDEF, vmin);
135     vacc3x0123456789ABCDEF = _mm512_max_ps(vacc3x0123456789ABCDEF, vmin);
136     vacc4x0123456789ABCDEF = _mm512_max_ps(vacc4x0123456789ABCDEF, vmin);
137     vacc5x0123456789ABCDEF = _mm512_max_ps(vacc5x0123456789ABCDEF, vmin);
138     vacc6x0123456789ABCDEF = _mm512_max_ps(vacc6x0123456789ABCDEF, vmin);
139     vacc7x0123456789ABCDEF = _mm512_max_ps(vacc7x0123456789ABCDEF, vmin);
140 
141     if XNN_LIKELY(nc >= 16) {
142       _mm512_storeu_ps(c7, vacc7x0123456789ABCDEF);
143       c7 = (float*) ((uintptr_t) c7 + cn_stride);
144       _mm512_storeu_ps(c6, vacc6x0123456789ABCDEF);
145       c6 = (float*) ((uintptr_t) c6 + cn_stride);
146       _mm512_storeu_ps(c5, vacc5x0123456789ABCDEF);
147       c5 = (float*) ((uintptr_t) c5 + cn_stride);
148       _mm512_storeu_ps(c4, vacc4x0123456789ABCDEF);
149       c4 = (float*) ((uintptr_t) c4 + cn_stride);
150       _mm512_storeu_ps(c3, vacc3x0123456789ABCDEF);
151       c3 = (float*) ((uintptr_t) c3 + cn_stride);
152       _mm512_storeu_ps(c2, vacc2x0123456789ABCDEF);
153       c2 = (float*) ((uintptr_t) c2 + cn_stride);
154       _mm512_storeu_ps(c1, vacc1x0123456789ABCDEF);
155       c1 = (float*) ((uintptr_t) c1 + cn_stride);
156       _mm512_storeu_ps(c0, vacc0x0123456789ABCDEF);
157       c0 = (float*) ((uintptr_t) c0 + cn_stride);
158 
159       a7 = (const float*) ((uintptr_t) a7 - kc);
160       a6 = (const float*) ((uintptr_t) a6 - kc);
161       a5 = (const float*) ((uintptr_t) a5 - kc);
162       a4 = (const float*) ((uintptr_t) a4 - kc);
163       a3 = (const float*) ((uintptr_t) a3 - kc);
164       a2 = (const float*) ((uintptr_t) a2 - kc);
165       a1 = (const float*) ((uintptr_t) a1 - kc);
166       a0 = (const float*) ((uintptr_t) a0 - kc);
167 
168       nc -= 16;
169     } else {
170       if (nc & 15) {
171         // Prepare mask for valid 32-bit elements (depends on nc).
172         const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << nc) - UINT32_C(1)));
173 
174         _mm512_mask_storeu_ps(c7, vmask, vacc7x0123456789ABCDEF);
175         _mm512_mask_storeu_ps(c6, vmask, vacc6x0123456789ABCDEF);
176         _mm512_mask_storeu_ps(c5, vmask, vacc5x0123456789ABCDEF);
177         _mm512_mask_storeu_ps(c4, vmask, vacc4x0123456789ABCDEF);
178         _mm512_mask_storeu_ps(c3, vmask, vacc3x0123456789ABCDEF);
179         _mm512_mask_storeu_ps(c2, vmask, vacc2x0123456789ABCDEF);
180         _mm512_mask_storeu_ps(c1, vmask, vacc1x0123456789ABCDEF);
181         _mm512_mask_storeu_ps(c0, vmask, vacc0x0123456789ABCDEF);
182       }
183 
184       nc = 0;
185     }
186   } while (nc != 0);
187 }
188