diff options
Diffstat (limited to 'volk/lib/qa_8sc_multiply_conjugate_16sc_aligned16.cc')
-rw-r--r-- | volk/lib/qa_8sc_multiply_conjugate_16sc_aligned16.cc | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/volk/lib/qa_8sc_multiply_conjugate_16sc_aligned16.cc b/volk/lib/qa_8sc_multiply_conjugate_16sc_aligned16.cc new file mode 100644 index 000000000..d64eac8ce --- /dev/null +++ b/volk/lib/qa_8sc_multiply_conjugate_16sc_aligned16.cc @@ -0,0 +1,87 @@ +#include <volk/volk_runtime.h> +#include <volk/volk.h> +#include <qa_8sc_multiply_conjugate_16sc_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) + +#ifndef LV_HAVE_SSE4_1 + +void qa_8sc_multiply_conjugate_16sc_aligned16::t1() { + printf("sse4.1 not available... no test performed\n"); +} + +#else + +void qa_8sc_multiply_conjugate_16sc_aligned16::t1() { + + + volk_runtime_init(); + + const int vlen = 2046; + const int ITERS = 100000; + + volk_environment_init(); + int ret; + clock_t start, end; + double total; + std::complex<int8_t>* input; + std::complex<int8_t>* taps; + + std::complex<int16_t>* result_generic; + std::complex<int16_t>* result_sse4_1; + int i; + int8_t* inputInt8_T; + int8_t* tapsInt8_T; + + ret = posix_memalign((void**)&input, 16, vlen*2*sizeof(int8_t)); + ret = posix_memalign((void**)&taps, 16, vlen*2*sizeof(int8_t)); + ret = posix_memalign((void**)&result_generic, 16, vlen*2*sizeof(int16_t)); + ret = posix_memalign((void**)&result_sse4_1, 16, vlen*2*sizeof(int16_t)); + + inputInt8_T = (int8_t*)input; + tapsInt8_T = (int8_t*)taps; + for(int i = 0; i < vlen*2; ++i) { + inputInt8_T[i] =((int8_t)((((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2))) * 128.0)); + tapsInt8_T[i] =((int8_t)((((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2))) * 128.0)); + } + + printf("8sc_multiply_conjugate_16sc_aligned16\n"); + + start = clock(); + for(int count = 0; count < ITERS; ++count) { + volk_8sc_multiply_conjugate_16sc_aligned16_manual((std::complex<int16_t>*)result_generic, (std::complex<int8_t>*)input, (std::complex<int8_t>*)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) { + get_volk_runtime()->volk_8sc_multiply_conjugate_16sc_aligned16((std::complex<int16_t>*)result_sse4_1, (std::complex<int8_t>*)input, (std::complex<int8_t>*)taps, vlen); + } + end = clock(); + total = (double)(end-start)/(double)CLOCKS_PER_SEC; + printf("sse4_1_time: %f\n", total); + + for(i = 0; i < vlen; i++){ + //printf("%d %d+%di %d+%di -> %d+%di %d+%di\n", i, std::real(input[i]), std::imag(input[i]), std::real(taps[i]), std::imag(taps[i]), std::real(result_generic[i]), std::imag(result_generic[i]), std::real(result_sse4_1[i]), std::imag(result_sse4_1[i])); + + assertcomplexEqual(result_generic[i], result_sse4_1[i], ERR_DELTA); + } + + free(input); + free(taps); + free(result_generic); + free(result_sse4_1); + +} + +#endif /*LV_HAVE_SSE4_1*/ |