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
|
#include <volk/volk.h>
#include <qa_16s_max_star_aligned16.h>
#include <volk/volk_16s_max_star_aligned16.h>
#include <cstdlib>
#include <time.h>
//test for ssse3
#ifndef LV_HAVE_SSSE3
void qa_16s_max_star_aligned16::t1() {
printf("ssse3 not available... no test performed\n");
}
#else
void qa_16s_max_star_aligned16::t1() {
volk_environment_init();
clock_t start, end;
double total;
const int vlen = 6400;
const int ITERS = 100000;
short input0[vlen] __attribute__ ((aligned (16)));
short output0[1] __attribute__ ((aligned (16)));
short output1[1] __attribute__ ((aligned (16)));
for(int i = 0; i < vlen; ++i) {
short plus0 = ((short) (rand() - (RAND_MAX/2))) >> 2;
short minus0 = ((short) (rand() - (RAND_MAX/2))) >> 2;
input0[i] = plus0 - minus0;
}
printf("16s_max_star_aligned\n");
start = clock();
for(int count = 0; count < ITERS; ++count) {
volk_16s_max_star_aligned16_manual(output0, input0, vlen << 1, "generic");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("generic_time: %f\n", total);
start = clock();
for(int count = 0; count < ITERS; ++count) {
volk_16s_max_star_aligned16_manual(output1, input0, vlen << 1, "ssse3");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("ssse3_time: %f\n", total);
for(int i = 0; i < 1; ++i) {
//printf("inputs: %d, %d\n", input0[i*2], input0[i*2 + 1]);
//printf("generic... %d, ssse3... %d\n", output0[i], output1[i]);
}
for(int i = 0; i < 1; ++i) {
CPPUNIT_ASSERT_EQUAL(output0[i], output1[i]);
}
}
#endif
|