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_32f_normalize_aligned16.h>
#include <volk/volk_32f_normalize_aligned16.h>
#include <cstdlib>
#include <cstring>
//test for sse
#ifndef LV_HAVE_SSE
void qa_32f_normalize_aligned16::t1() {
printf("sse not available... no test performed\n");
}
#else
void qa_32f_normalize_aligned16::t1() {
volk_environment_init();
int ret;
clock_t start, end;
double total;
const int vlen = 320001;
const int ITERS = 100;
float* output0;
float* output01;
ret = posix_memalign((void**)&output0, 16, vlen*sizeof(float));
ret = posix_memalign((void**)&output01, 16, vlen*sizeof(float));
for(int i = 0; i < vlen; ++i) {
output0[i] = ((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2));
}
memcpy(output01, output0, vlen*sizeof(float));
printf("32f_normalize_aligned\n");
start = clock();
for(int count = 0; count < ITERS; ++count) {
volk_32f_normalize_aligned16_manual(output0, 1.15, vlen, "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_32f_normalize_aligned16_manual(output01, 1.15, vlen, "sse");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse_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 < vlen; ++i) {
// printf("%e...%e\n", output0[i], output01[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(output0[i], output01[i], fabs(output0[i])*1e-4);
}
free(output0);
free(output01);
}
#endif
|
