diff options
Diffstat (limited to 'volk/lib/qa_16u_byteswap_aligned16.cc')
-rw-r--r-- | volk/lib/qa_16u_byteswap_aligned16.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/volk/lib/qa_16u_byteswap_aligned16.cc b/volk/lib/qa_16u_byteswap_aligned16.cc new file mode 100644 index 000000000..6b19828a4 --- /dev/null +++ b/volk/lib/qa_16u_byteswap_aligned16.cc @@ -0,0 +1,60 @@ +#include <volk/volk.h> +#include <qa_16u_byteswap_aligned16.h> +#include <volk/volk_16u_byteswap_aligned16.h> +#include <cstdlib> +#include <cstring> + +//test for sse + +#ifndef LV_HAVE_SSE2 + +void qa_16u_byteswap_aligned16::t1() { + printf("sse2 not available... no test performed\n"); +} + +#else + +void qa_16u_byteswap_aligned16::t1() { + + volk_environment_init(); + clock_t start, end; + double total; + const int vlen = 3201; + const int ITERS = 100001; + + uint16_t output0[vlen] __attribute__ ((aligned (16))); + uint16_t output01[vlen] __attribute__ ((aligned (16))); + + for(int i = 0; i < vlen; ++i) { + output0[i] = (uint16_t) ((rand() - (RAND_MAX/2)) / (RAND_MAX/2)); + } + memcpy(output01, output0, vlen*sizeof(uint16_t)); + + printf("16u_byteswap_aligned\n"); + + start = clock(); + for(int count = 0; count < ITERS; ++count) { + volk_16u_byteswap_aligned16_manual(output0, 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_16u_byteswap_aligned16_manual(output01, vlen, "sse2"); + } + end = clock(); + total = (double)(end-start)/(double)CLOCKS_PER_SEC; + printf("sse2_time: %f\n", total); + for(int i = 0; i < 1; ++i) { + //printf("inputs: %d, %d\n", input0[i*2], input0[i*2 + 1]); + //printf("generic... %d, ssse3... %d\n", output0[i], output1[i]); + } + + for(int i = 0; i < vlen; ++i) { + //printf("%d...%d\n", output0[i], output01[i]); + CPPUNIT_ASSERT_EQUAL(output0[i], output01[i]); + } +} + +#endif |