mirror of https://github.com/gnss-sdr/gnss-sdr
90 lines
1.7 KiB
C++
90 lines
1.7 KiB
C++
#include <volk_gnsssdr/volk_gnsssdr.h>
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#include <qa_32fc_index_max_aligned16.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#define ERR_DELTA (1e-4)
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#define NUM_ITERS 1000000
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#define VEC_LEN 3096
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static float uniform() {
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return 2.0 * ((float) rand() / RAND_MAX - 0.5); // uniformly (-1, 1)
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}
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static void
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random_floats (float *buf, unsigned n)
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{
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unsigned int i = 0;
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for (; i < n; i++) {
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buf[i] = uniform () * 32767;
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}
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}
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#ifndef LV_HAVE_SSE3
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void qa_32fc_index_max_aligned16::t1(){
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printf("sse3 not available... no test performed\n");
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}
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#else
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void qa_32fc_index_max_aligned16::t1(){
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const int vlen = VEC_LEN;
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volk_gnsssdr_environment_init();
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int ret;
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unsigned int* target;
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unsigned int* target_generic;
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std::complex<float>* src0 ;
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unsigned int i_target;
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target = &i_target;
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unsigned int i_target_generic;
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target_generic = &i_target_generic;
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ret = posix_memalign((void**)&src0, 16, vlen << 3);
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random_floats((float*)src0, vlen * 2);
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printf("32fc_index_max_aligned16\n");
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clock_t start, end;
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double total;
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start = clock();
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for(int k = 0; k < NUM_ITERS; ++k) {
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volk_gnsssdr_32fc_index_max_aligned16_manual(target_generic, src0, vlen << 3, "generic");
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}
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end = clock();
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total = (double)(end-start)/(double)CLOCKS_PER_SEC;
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printf("generic time: %f\n", total);
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start = clock();
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for(int k = 0; k < NUM_ITERS; ++k) {
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volk_gnsssdr_32fc_index_max_aligned16_manual(target, src0, vlen << 3, "sse3");
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}
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end = clock();
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total = (double)(end-start)/(double)CLOCKS_PER_SEC;
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printf("sse3 time: %f\n", total);
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printf("generic: %u, sse3: %u\n", target_generic[0], target[0]);
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CPPUNIT_ASSERT_DOUBLES_EQUAL(target_generic[0], target[0], 1.1);
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free(src0);
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}
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#endif /*LV_HAVE_SSE3*/
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