diff options
Diffstat (limited to 'volk/lib/qa_64u_popcnt_aligned16.cc')
-rw-r--r-- | volk/lib/qa_64u_popcnt_aligned16.cc | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/volk/lib/qa_64u_popcnt_aligned16.cc b/volk/lib/qa_64u_popcnt_aligned16.cc new file mode 100644 index 000000000..85ef58795 --- /dev/null +++ b/volk/lib/qa_64u_popcnt_aligned16.cc @@ -0,0 +1,62 @@ +#include <volk/volk_runtime.h> +#include <volk/volk.h> +#include <qa_64u_popcnt_aligned16.h> +#include <volk/volk_64u_popcnt_aligned16.h> +#include <cstdlib> +#include <ctime> + +//test for sse + +#ifndef LV_HAVE_SSE4_2 + +void qa_64u_popcnt_aligned16::t1() { + printf("sse4.2 not available... no test performed\n"); +} + +#else + +void qa_64u_popcnt_aligned16::t1() { + + + volk_runtime_init(); + + volk_environment_init(); + clock_t start, end; + double total; + + const int ITERS = 10000000; + uint64_t input0 __attribute__ ((aligned (16))); + + uint64_t output0 __attribute__ ((aligned (16))); + uint64_t output01 __attribute__ ((aligned (16))); + + input0 = ((uint64_t) (rand() - (RAND_MAX/2))); + output0 = 0; + output01 = 0; + + printf("64u_popcnt_aligned\n"); + + start = clock(); + uint64_t ret = 0; + for(int count = 0; count < ITERS; ++count) { + volk_64u_popcnt_aligned16_manual(&ret, input0, "generic"); + output0 += ret; + } + end = clock(); + total = (double)(end-start)/(double)CLOCKS_PER_SEC; + printf("generic_time: %f\n", total); + start = clock(); + ret = 0; + for(int count = 0; count < ITERS; ++count) { + get_volk_runtime()->volk_64u_popcnt_aligned16(&ret, input0); + output01 += ret; + } + end = clock(); + total = (double)(end-start)/(double)CLOCKS_PER_SEC; + printf("sse4.2_time: %f\n", total); + + + CPPUNIT_ASSERT_EQUAL(output0, output01); +} + +#endif |