diff options
Diffstat (limited to 'volk/lib/qa_32fc_index_max_aligned16.cc')
-rw-r--r-- | volk/lib/qa_32fc_index_max_aligned16.cc | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/volk/lib/qa_32fc_index_max_aligned16.cc b/volk/lib/qa_32fc_index_max_aligned16.cc new file mode 100644 index 000000000..4d83f1639 --- /dev/null +++ b/volk/lib/qa_32fc_index_max_aligned16.cc @@ -0,0 +1,89 @@ +#include <volk/volk.h> +#include <qa_32fc_index_max_aligned16.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + +#define ERR_DELTA (1e-4) +#define NUM_ITERS 1000000 +#define VEC_LEN 3096 +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_index_max_aligned16::t1(){ + printf("sse3 not available... no test performed\n"); +} + +#else + + +void qa_32fc_index_max_aligned16::t1(){ + + const int vlen = VEC_LEN; + + volk_environment_init(); + int ret; + + unsigned int* target; + unsigned int* target_generic; + std::complex<float>* src0 ; + + + unsigned int i_target; + target = &i_target; + unsigned int i_target_generic; + target_generic = &i_target_generic; + ret = posix_memalign((void**)&src0, 16, vlen << 3); + + random_floats((float*)src0, vlen * 2); + + printf("32fc_index_max_aligned16\n"); + + clock_t start, end; + double total; + + + start = clock(); + for(int k = 0; k < NUM_ITERS; ++k) { + volk_32fc_index_max_aligned16_manual(target_generic, src0, 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_index_max_aligned16_manual(target, src0, vlen << 3, "sse3"); + } + + end = clock(); + total = (double)(end-start)/(double)CLOCKS_PER_SEC; + printf("sse3 time: %f\n", total); + + + + + printf("generic: %u, sse3: %u\n", target_generic[0], target[0]); + CPPUNIT_ASSERT_DOUBLES_EQUAL(target_generic[0], target[0], 1.1); + + + + free(src0); +} + +#endif /*LV_HAVE_SSE3*/ |