diff options
Diffstat (limited to 'volk/lib/qa_32f_convert_32s_unaligned16.cc')
-rw-r--r-- | volk/lib/qa_32f_convert_32s_unaligned16.cc | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/volk/lib/qa_32f_convert_32s_unaligned16.cc b/volk/lib/qa_32f_convert_32s_unaligned16.cc new file mode 100644 index 000000000..e63b17994 --- /dev/null +++ b/volk/lib/qa_32f_convert_32s_unaligned16.cc @@ -0,0 +1,70 @@ +#include <volk/volk.h> +#include <qa_32f_convert_32s_unaligned16.h> +#include <volk/volk_32f_convert_32s_unaligned16.h> +#include <cstdlib> + +//test for sse2 + +#ifndef LV_HAVE_SSE2 + +void qa_32f_convert_32s_unaligned16::t1() { + printf("sse2 not available... no test performed\n"); +} + +#else + +void qa_32f_convert_32s_unaligned16::t1() { + + volk_environment_init(); + clock_t start, end; + double total; + const int vlen = 3201; + const int ITERS = 100000; + float input0[vlen] __attribute__ ((aligned (16))); + + int32_t output_generic[vlen] __attribute__ ((aligned (16))); + int32_t output_sse[vlen] __attribute__ ((aligned (16))); + int32_t output_sse2[vlen] __attribute__ ((aligned (16))); + + for(int i = 0; i < vlen; ++i) { + input0[i] = ((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2)); + } + printf("32f_convert_32s_unaligned\n"); + + start = clock(); + for(int count = 0; count < ITERS; ++count) { + volk_32f_convert_32s_unaligned16_manual(output_generic, input0, 32768.0, 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_32f_convert_32s_unaligned16_manual(output_sse, input0, 32768.0, vlen, "sse"); + } + end = clock(); + total = (double)(end-start)/(double)CLOCKS_PER_SEC; + printf("sse_time: %f\n", total); + + start = clock(); + for(int count = 0; count < ITERS; ++count) { + volk_32f_convert_32s_unaligned16_manual(output_sse2, input0, 32768.0, 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(abs(output_generic[i] - output_sse[i]) <= 1); + CPPUNIT_ASSERT(abs(output_generic[i] - output_sse2[i]) <= 1); + } +} + +#endif |