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#include <volk/volk_runtime.h>
#include <volk/volk.h>
#include <qa_32f_dot_prod_unaligned16.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#define ERR_DELTA (1e-4)
//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 ();
}
#ifndef LV_HAVE_SSE4_1
#ifdef LV_HAVE_SSE3
void qa_32f_dot_prod_unaligned16::t1() {
volk_runtime_init();
const int vlen = 2046;
const int ITER = 100000;
int i;
volk_environment_init();
int ret;
clock_t start, end;
double total;
float * input;
float * taps;
float * result_generic;
float * result_sse;
float * result_sse3;
ret = posix_memalign((void**)&input, 16, vlen* sizeof(float));
ret = posix_memalign((void**)&taps, 16, vlen *sizeof(float));
ret = posix_memalign((void**)&result_generic, 16, ITER*sizeof(float));
ret = posix_memalign((void**)&result_sse, 16, ITER*sizeof(float));
ret = posix_memalign((void**)&result_sse3, 16, ITER*sizeof(float));
random_floats((float*)input, vlen);
random_floats((float*)taps, vlen);
printf("32f_dot_prod_unaligned16\n");
start = clock();
for(i = 0; i < ITER; i++){
volk_32f_dot_prod_unaligned16_manual(&result_generic[i], input, taps, vlen, "generic");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("generic_time: %f\n", total);
start = clock();
for(i = 0; i < ITER; i++){
volk_32f_dot_prod_unaligned16_manual(&result_sse[i], input, taps, vlen, "sse");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse_time: %f\n", total);
start = clock();
for(i = 0; i < ITER; i++){
volk_32f_dot_prod_unaligned16_manual(&result_sse3[i], input, taps, vlen, "sse3");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse3_time: %f\n", total);
printf("generic: %f ... sse: %f ... sse3 %f \n", result_generic[0], result_sse[0], result_sse3[0]);
for(i = 0; i < ITER; i++){
CPPUNIT_ASSERT_DOUBLES_EQUAL (result_generic[i], result_sse[i], fabs(result_generic[i])*ERR_DELTA);
CPPUNIT_ASSERT_DOUBLES_EQUAL (result_generic[i], result_sse3[i], fabs(result_generic[i])*ERR_DELTA);
}
free(input);
free(taps);
free(result_generic);
free(result_sse);
free(result_sse3);
}
#else
void qa_32f_dot_prod_unaligned16::t1() {
printf("sse3 not available... no test performed\n");
}
#endif /* LV_HAVE_SSE3 */
#else
void qa_32f_dot_prod_unaligned16::t1() {
volk_runtime_init();
const int vlen = 4095;
const int ITER = 100000;
int i;
volk_environment_init();
int ret;
clock_t start, end;
double total;
float * input;
float * taps;
float * result_generic;
float * result_sse;
float * result_sse3;
float * result_sse4_1;
ret = posix_memalign((void**)&input, 16, (vlen+1) * sizeof(float));
ret = posix_memalign((void**)&taps, 16, (vlen+1) * sizeof(float));
ret = posix_memalign((void**)&result_generic, 16, ITER*sizeof(float));
ret = posix_memalign((void**)&result_sse, 16, ITER*sizeof(float));
ret = posix_memalign((void**)&result_sse3, 16, ITER*sizeof(float));
ret = posix_memalign((void**)&result_sse4_1, 16, ITER*sizeof(float));
input = &input[1]; // Make sure the buffer is unaligned
taps = &taps[1]; // Make sure the buffer is unaligned
random_floats((float*)input, vlen);
random_floats((float*)taps, vlen);
printf("32f_dot_prod_unaligned16\n");
start = clock();
for(i = 0; i < ITER; i++){
volk_32f_dot_prod_unaligned16_manual(&result_generic[i], input, taps, vlen, "generic");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("generic_time: %f\n", total);
start = clock();
for(i = 0; i < ITER; i++){
volk_32f_dot_prod_unaligned16_manual(&result_sse[i], input, taps, vlen, "sse");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse_time: %f\n", total);
start = clock();
for(i = 0; i < ITER; i++){
volk_32f_dot_prod_unaligned16_manual(&result_sse3[i], input, taps, vlen, "sse3");
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse3_time: %f\n", total);
start = clock();
for(i = 0; i < ITER; i++){
get_volk_runtime()->volk_32f_dot_prod_unaligned16(&result_sse4_1[i], input, taps, vlen);
}
end = clock();
total = (double)(end-start)/(double)CLOCKS_PER_SEC;
printf("sse4_1_time: %f\n", total);
//printf("generic: %f ... sse: %f ... sse3 %f ... sse4_1 %f \n", result_generic[0], result_sse[0], result_sse3[0], result_sse4_1[0]);
for(i =0; i < ITER; i++){
CPPUNIT_ASSERT_DOUBLES_EQUAL (result_generic[i], result_sse[i], fabs(result_generic[i])*ERR_DELTA);
CPPUNIT_ASSERT_DOUBLES_EQUAL (result_generic[i], result_sse3[i], fabs(result_generic[i])*ERR_DELTA);
CPPUNIT_ASSERT_DOUBLES_EQUAL (result_generic[i], result_sse4_1[i], fabs(result_generic[i])*ERR_DELTA);
}
free(&input[-1]);
free(&taps[-1]);
free(result_generic);
free(result_sse);
free(result_sse3);
free(result_sse4_1);
}
#endif /*LV_HAVE_SSE*/
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