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
|
#include <volk/volk.h>
#include <qa_16s_branch_4_state_8_aligned16.h>
#include <cstdlib>
#include <time.h>
//test for ssse3
#ifndef LV_HAVE_SSSE3
void qa_16s_branch_4_state_8_aligned16::t1() {
printf("ssse3 not available... no test performed\n");
}
#else
void qa_16s_branch_4_state_8_aligned16::t1() {
const int num_iters = 1000000;
const int vlen = 32;
static char permute0[16]__attribute__((aligned(16))) = {0x0e, 0x0f, 0x0a, 0x0b, 0x04, 0x05, 0x00, 0x01, 0x0c, 0x0d, 0x08, 0x09, 0x06, 0x07, 0x02, 0x03};
static char permute1[16]__attribute__((aligned(16))) = {0x0c, 0x0d, 0x08, 0x09, 0x06, 0x07, 0x02, 0x03, 0x0e, 0x0f, 0x0a, 0x0b, 0x04, 0x05, 0x00, 0x01};
static char permute2[16]__attribute__((aligned(16))) = {0x02, 0x03, 0x06, 0x07, 0x08, 0x09, 0x0c, 0x0d, 0x00, 0x01, 0x04, 0x05, 0x0a, 0x0b, 0x0e, 0x0f};
static char permute3[16]__attribute__((aligned(16))) = {0x00, 0x01, 0x04, 0x05, 0x0a, 0x0b, 0x0e, 0x0f, 0x02, 0x03, 0x06, 0x07, 0x08, 0x09, 0x0c, 0x0d};
static char* permuters[4] = {permute0, permute1, permute2, permute3};
unsigned int num_bytes = vlen << 1;
volk_environment_init();
clock_t start, end;
double total;
short target[vlen] __attribute__ ((aligned (16)));
short target2[vlen] __attribute__ ((aligned (16)));
short target3[vlen] __attribute__ ((aligned (16)));
short src0[vlen] __attribute__ ((aligned (16)));
short permute_indexes[vlen] __attribute__ ((aligned (16))) = {
7, 5, 2, 0, 6, 4, 3, 1, 6, 4, 3, 1, 7, 5, 2, 0, 1, 3, 4, 6, 0, 2, 5, 7, 0, 2, 5, 7, 1, 3, 4, 6 };
short cntl0[vlen] __attribute__ ((aligned (16))) = {
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 };
short cntl1[vlen] __attribute__ ((aligned (16))) = {
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 };
short cntl2[vlen] __attribute__ ((aligned (16))) = {
0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000 };
short cntl3[vlen] __attribute__ ((aligned (16))) = {
0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0x0000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff };
short scalars[4] __attribute__ ((aligned (16))) = {1, 2, 3, 4};
for(int i = 0; i < vlen; ++i) {
src0[i] = i;
}
printf("16s_branch_4_state_8_aligned\n");
start = clock();
for(int i = 0; i < num_iters; ++i) {
volk_16s_permute_and_scalar_add_aligned16_manual(target, src0, permute_indexes, cntl0, cntl1, cntl2, cntl3, scalars, num_bytes, "sse2");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("permute_and_scalar_add_time: %f\n", total);
start = clock();
for(int i = 0; i < num_iters; ++i) {
volk_16s_branch_4_state_8_aligned16_manual(target2, src0, permuters, cntl2, cntl3, scalars, "ssse3");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("branch_4_state_8_time, ssse3: %f\n", total);
start = clock();
for(int i = 0; i < num_iters; ++i) {
volk_16s_branch_4_state_8_aligned16_manual(target3, src0, permuters, cntl2, cntl3, scalars, "generic");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("permute_and_scalar_add_time, generic: %f\n", total);
for(int i = 0; i < vlen; ++i) {
printf("psa... %d, b4s8... %d\n", target[i], target3[i]);
}
for(int i = 0; i < vlen; ++i) {
CPPUNIT_ASSERT(target[i] == target2[i]);
CPPUNIT_ASSERT(target[i] == target3[i]);
}
}
#endif
|
