diff options
Diffstat (limited to 'volk/lib/qa_32fc_32f_multiply_aligned16.cc')
-rw-r--r-- | volk/lib/qa_32fc_32f_multiply_aligned16.cc | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/volk/lib/qa_32fc_32f_multiply_aligned16.cc b/volk/lib/qa_32fc_32f_multiply_aligned16.cc new file mode 100644 index 000000000..4eba0a3cd --- /dev/null +++ b/volk/lib/qa_32fc_32f_multiply_aligned16.cc @@ -0,0 +1,85 @@ +#include <volk/volk_runtime.h> +#include <volk/volk.h> +#include <qa_32fc_32f_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-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 (); +} + +#ifdef LV_HAVE_SSE3 +void qa_32fc_32f_multiply_aligned16::t1() { + + const int vlen = 2046; + const int ITERS = 100000; + + volk_environment_init(); + int ret; + clock_t start, end; + double total; + std::complex<float>* input; + float * taps; + int i; + + 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 * 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(taps, vlen); + + printf("32fc_32f_multiply_aligned16\n"); + + start = clock(); + for(int count = 0; count < ITERS; ++count) { + volk_32fc_32f_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_32f_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_32f_multiply_aligned16::t1() { + printf("sse3 not available... no test performed\n"); +} + +#endif /* LV_HAVE_SSE3 */ + |