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
|
#include <volk/volk.h>
#include <qa_32f_convert_8s_unaligned16.h>
#include <volk/volk_32f_convert_8s_unaligned16.h>
#include <cstdlib>
//test for sse2
#ifndef LV_HAVE_SSE2
void qa_32f_convert_8s_unaligned16::t1() {
printf("sse2 not available... no test performed\n");
}
#else
void qa_32f_convert_8s_unaligned16::t1() {
volk_environment_init();
clock_t start, end;
double total;
const int vlen = 3201;
const int ITERS = 100000;
float input0[vlen] __attribute__ ((aligned (16)));
int8_t output_generic[vlen] __attribute__ ((aligned (16)));
int8_t output_sse[vlen] __attribute__ ((aligned (16)));
int8_t output_sse2[vlen] __attribute__ ((aligned (16)));
for(int i = 0; i < vlen; ++i) {
input0[i] = ((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2));
}
printf("32f_convert_8s_unaligned\n");
start = clock();
for(int count = 0; count < ITERS; ++count) {
volk_32f_convert_8s_unaligned16_manual(output_generic, input0, 128.0, 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_convert_8s_unaligned16_manual(output_sse, input0, 128.0, vlen, "sse");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse_time: %f\n", total);
start = clock();
for(int count = 0; count < ITERS; ++count) {
volk_32f_convert_8s_unaligned16_manual(output_sse2, input0, 128.0, vlen, "sse2");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse2_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("%d...%d\n", output0[i], output01[i]);
CPPUNIT_ASSERT(abs(output_generic[i] - output_sse[i]) <= 1);
CPPUNIT_ASSERT(abs(output_generic[i] - output_sse2[i]) <= 1);
}
}
#endif
|
