-
Notifications
You must be signed in to change notification settings - Fork 1.5k
/
Copy pathcdot_microk_bulldozer-2.c
196 lines (156 loc) · 7.73 KB
/
cdot_microk_bulldozer-2.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/***************************************************************************
Copyright (c) 2014, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#define HAVE_KERNEL_16 1
static void cdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y , FLOAT *dot) __attribute__ ((noinline));
static void cdot_kernel_16( BLASLONG n, FLOAT *x, FLOAT *y, FLOAT *dot)
{
BLASLONG register i = 0;
if ( n <=1024 )
{
__asm__ __volatile__
(
"vzeroupper \n\t"
"vxorps %%xmm0, %%xmm0, %%xmm0 \n\t"
"vxorps %%xmm1, %%xmm1, %%xmm1 \n\t"
"vxorps %%xmm2, %%xmm2, %%xmm2 \n\t"
"vxorps %%xmm3, %%xmm3, %%xmm3 \n\t"
"vxorps %%xmm4, %%xmm4, %%xmm4 \n\t"
"vxorps %%xmm5, %%xmm5, %%xmm5 \n\t"
"vxorps %%xmm6, %%xmm6, %%xmm6 \n\t"
"vxorps %%xmm7, %%xmm7, %%xmm7 \n\t"
".align 16 \n\t"
"1: \n\t"
"vmovups (%2,%0,4), %%xmm8 \n\t" // 2 * x
"vmovups 16(%2,%0,4), %%xmm9 \n\t" // 2 * x
"vmovups (%3,%0,4), %%xmm12 \n\t" // 2 * y
"vmovups 16(%3,%0,4), %%xmm13 \n\t" // 2 * y
"vmovups 32(%2,%0,4), %%xmm10 \n\t" // 2 * x
"vmovups 48(%2,%0,4), %%xmm11 \n\t" // 2 * x
"vmovups 32(%3,%0,4), %%xmm14 \n\t" // 2 * y
"vmovups 48(%3,%0,4), %%xmm15 \n\t" // 2 * y
"vfmaddps %%xmm0, %%xmm8 , %%xmm12, %%xmm0 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm1, %%xmm9 , %%xmm13, %%xmm1 \n\t" // x_r * y_r, x_i * y_i
"vpermilps $0xb1 , %%xmm12, %%xmm12 \n\t" // exchange real and imag part
"vpermilps $0xb1 , %%xmm13, %%xmm13 \n\t"
"vfmaddps %%xmm2, %%xmm10, %%xmm14, %%xmm2 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm3, %%xmm11, %%xmm15, %%xmm3 \n\t" // x_r * y_r, x_i * y_i
"vpermilps $0xb1 , %%xmm14, %%xmm14 \n\t"
"vpermilps $0xb1 , %%xmm15, %%xmm15 \n\t"
"vfmaddps %%xmm4, %%xmm8 , %%xmm12, %%xmm4 \n\t" // x_r * y_i, x_i * y_r
"addq $16 , %0 \n\t"
"vfmaddps %%xmm5, %%xmm9 , %%xmm13, %%xmm5 \n\t" // x_r * y_i, x_i * y_r
"vfmaddps %%xmm6, %%xmm10, %%xmm14, %%xmm6 \n\t" // x_r * y_i, x_i * y_r
"subq $8 , %1 \n\t"
"vfmaddps %%xmm7, %%xmm11, %%xmm15, %%xmm7 \n\t" // x_r * y_i, x_i * y_r
"jnz 1b \n\t"
"vaddps %%xmm0, %%xmm1, %%xmm0 \n\t"
"vaddps %%xmm2, %%xmm3, %%xmm2 \n\t"
"vaddps %%xmm0, %%xmm2, %%xmm0 \n\t"
"vaddps %%xmm4, %%xmm5, %%xmm4 \n\t"
"vaddps %%xmm6, %%xmm7, %%xmm6 \n\t"
"vaddps %%xmm4, %%xmm6, %%xmm4 \n\t"
"vmovups %%xmm0, (%4) \n\t"
"vmovups %%xmm4, 16(%4) \n\t"
"vzeroupper \n\t"
:
"+r" (i), // 0
"+r" (n) // 1
:
"r" (x), // 2
"r" (y), // 3
"r" (dot) // 4
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);
return;
}
__asm__ __volatile__
(
"vzeroupper \n\t"
"vxorps %%xmm0, %%xmm0, %%xmm0 \n\t"
"vxorps %%xmm1, %%xmm1, %%xmm1 \n\t"
"vxorps %%xmm2, %%xmm2, %%xmm2 \n\t"
"vxorps %%xmm3, %%xmm3, %%xmm3 \n\t"
"vxorps %%xmm4, %%xmm4, %%xmm4 \n\t"
"vxorps %%xmm5, %%xmm5, %%xmm5 \n\t"
"vxorps %%xmm6, %%xmm6, %%xmm6 \n\t"
"vxorps %%xmm7, %%xmm7, %%xmm7 \n\t"
".align 16 \n\t"
"1: \n\t"
"prefetcht0 384(%2,%0,4) \n\t"
"vmovups (%2,%0,4), %%xmm8 \n\t" // 2 * x
"vmovups 16(%2,%0,4), %%xmm9 \n\t" // 2 * x
"prefetcht0 384(%3,%0,4) \n\t"
"vmovups (%3,%0,4), %%xmm12 \n\t" // 2 * y
"vmovups 16(%3,%0,4), %%xmm13 \n\t" // 2 * y
"vmovups 32(%2,%0,4), %%xmm10 \n\t" // 2 * x
"vmovups 48(%2,%0,4), %%xmm11 \n\t" // 2 * x
"vmovups 32(%3,%0,4), %%xmm14 \n\t" // 2 * y
"vmovups 48(%3,%0,4), %%xmm15 \n\t" // 2 * y
"vfmaddps %%xmm0, %%xmm8 , %%xmm12, %%xmm0 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm1, %%xmm9 , %%xmm13, %%xmm1 \n\t" // x_r * y_r, x_i * y_i
"vpermilps $0xb1 , %%xmm12, %%xmm12 \n\t" // exchange real and imag part
"vpermilps $0xb1 , %%xmm13, %%xmm13 \n\t"
"vfmaddps %%xmm2, %%xmm10, %%xmm14, %%xmm2 \n\t" // x_r * y_r, x_i * y_i
"vfmaddps %%xmm3, %%xmm11, %%xmm15, %%xmm3 \n\t" // x_r * y_r, x_i * y_i
"vpermilps $0xb1 , %%xmm14, %%xmm14 \n\t"
"vpermilps $0xb1 , %%xmm15, %%xmm15 \n\t"
"vfmaddps %%xmm4, %%xmm8 , %%xmm12, %%xmm4 \n\t" // x_r * y_i, x_i * y_r
"addq $16 , %0 \n\t"
"vfmaddps %%xmm5, %%xmm9 , %%xmm13, %%xmm5 \n\t" // x_r * y_i, x_i * y_r
"vfmaddps %%xmm6, %%xmm10, %%xmm14, %%xmm6 \n\t" // x_r * y_i, x_i * y_r
"subq $8 , %1 \n\t"
"vfmaddps %%xmm7, %%xmm11, %%xmm15, %%xmm7 \n\t" // x_r * y_i, x_i * y_r
"jnz 1b \n\t"
"vaddps %%xmm0, %%xmm1, %%xmm0 \n\t"
"vaddps %%xmm2, %%xmm3, %%xmm2 \n\t"
"vaddps %%xmm0, %%xmm2, %%xmm0 \n\t"
"vaddps %%xmm4, %%xmm5, %%xmm4 \n\t"
"vaddps %%xmm6, %%xmm7, %%xmm6 \n\t"
"vaddps %%xmm4, %%xmm6, %%xmm4 \n\t"
"vmovups %%xmm0, (%4) \n\t"
"vmovups %%xmm4, 16(%4) \n\t"
"vzeroupper \n\t"
:
"+r" (i), // 0
"+r" (n) // 1
:
"r" (x), // 2
"r" (y), // 3
"r" (dot) // 4
: "cc",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7",
"%xmm8", "%xmm9", "%xmm10", "%xmm11",
"%xmm12", "%xmm13", "%xmm14", "%xmm15",
"memory"
);
}