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#include <volk/volk_runtime.h>
#include <volk/volk.h>
#include <qa_32fc_multiply_aligned16.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#define assertcomplexEqual(expected, actual, delta) \
CPPUNIT_ASSERT_DOUBLES_EQUAL (std::real(expected), std::real(actual), fabs(std::real(expected)) * delta); \
CPPUNIT_ASSERT_DOUBLES_EQUAL (std::imag(expected), std::imag(actual), fabs(std::imag(expected))* delta);
#define ERR_DELTA (1e-3)
//test for sse
static float uniform() {
return 2.0 * ((float) rand() / RAND_MAX - 0.5); // uniformly (-1, 1)
}
static void
random_floats (float *buf, unsigned n)
{
for (unsigned i = 0; i < n; i++)
buf[i] = uniform ();
}
#ifdef LV_HAVE_SSE3
void qa_32fc_multiply_aligned16::t1() {
const int vlen = 2046;
const int ITERS = 100000;
int i;
volk_environment_init();
int ret;
clock_t start, end;
double total;
std::complex<float>* input;
std::complex<float>* taps;
std::complex<float>* result_generic;
std::complex<float>* result_sse3;
ret = posix_memalign((void**)&input, 16, vlen*2*sizeof(float));
ret = posix_memalign((void**)&taps, 16, vlen*2*sizeof(float));
ret = posix_memalign((void**)&result_generic, 16, vlen*2*sizeof(float));
ret = posix_memalign((void**)&result_sse3, 16, vlen*2*sizeof(float));
random_floats((float*)input, vlen * 2);
random_floats((float*)taps, vlen * 2);
printf("32fc_multiply_aligned16\n");
start = clock();
for(int count = 0; count < ITERS; ++count) {
volk_32fc_multiply_aligned16_manual(result_generic, input, taps, 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_32fc_multiply_aligned16_manual(result_sse3, input, taps, vlen, "sse3");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse3_time: %f\n", total);
for(i = 0; i < vlen; i++){
assertcomplexEqual(result_generic[i], result_sse3[i], ERR_DELTA);
}
free(input);
free(taps);
free(result_generic);
free(result_sse3);
}
#else
void qa_32fc_multiply_aligned16::t1() {
printf("sse3 not available... no test performed\n");
}
#endif /* LV_HAVE_SSE3 */
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