diff options
Diffstat (limited to 'volk/lib/qa_32fc_square_dist_aligned16.cc')
-rw-r--r-- | volk/lib/qa_32fc_square_dist_aligned16.cc | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/volk/lib/qa_32fc_square_dist_aligned16.cc b/volk/lib/qa_32fc_square_dist_aligned16.cc new file mode 100644 index 000000000..d9ead8495 --- /dev/null +++ b/volk/lib/qa_32fc_square_dist_aligned16.cc @@ -0,0 +1,91 @@ +#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*/ |