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#include <volk/volk.h>
#include <qa_32fc_square_dist_aligned16.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define ERR_DELTA (1e-4)
#define NUM_ITERS 10000000
#define VEC_LEN 64
static float uniform() {
return 2.0 * ((float) rand() / RAND_MAX - 0.5); // uniformly (-1, 1)
}
static void
random_floats (float *buf, unsigned n)
{
unsigned int i = 0;
for (; i < n; i++) {
buf[i] = uniform () * 32767;
}
}
#ifndef LV_HAVE_SSE3
void qa_32fc_square_dist_aligned16::t1(){
printf("sse3 not available... no test performed\n");
}
#else
void qa_32fc_square_dist_aligned16::t1(){
int i = 0;
const int vlen = VEC_LEN;
volk_environment_init();
int ret;
float* target;
float* target_generic;
std::complex<float>* src0 ;
std::complex<float>* points;
ret = posix_memalign((void**)&points, 16, vlen << 3);
ret = posix_memalign((void**)&target, 16, vlen << 2);
ret = posix_memalign((void**)&target_generic, 16, vlen << 2);
ret = posix_memalign((void**)&src0, 16, 8);
random_floats((float*)points, vlen * 2);
random_floats((float*)src0, 2);
printf("32fc_square_dist_aligned16\n");
clock_t start, end;
double total;
start = clock();
for(int k = 0; k < NUM_ITERS; ++k) {
volk_32fc_square_dist_aligned16_manual(target_generic, src0, points, vlen << 3, "generic");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("generic time: %f\n", total);
start = clock();
for(int k = 0; k < NUM_ITERS; ++k) {
volk_32fc_square_dist_aligned16_manual(target, src0, points, vlen << 3, "sse3");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse3 time: %f\n", total);
for(; i < vlen; ++i) {
//printf("generic: %f, sse3: %f\n", target_generic[i], target[i]);
CPPUNIT_ASSERT_DOUBLES_EQUAL(target_generic[i], target[i], fabs(target_generic[i]) * ERR_DELTA);
}
free(target);
free(target_generic);
free(points);
free(src0);
}
#endif /*LV_HAVE_SSE3*/
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