diff options
Diffstat (limited to 'volk/lib/qa_32f_power_aligned16.cc')
-rw-r--r-- | volk/lib/qa_32f_power_aligned16.cc | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/volk/lib/qa_32f_power_aligned16.cc b/volk/lib/qa_32f_power_aligned16.cc deleted file mode 100644 index 1b331daeb..000000000 --- a/volk/lib/qa_32f_power_aligned16.cc +++ /dev/null @@ -1,95 +0,0 @@ -#include <volk/volk_runtime.h> -#include <volk/volk.h> -#include <qa_32f_power_aligned16.h> -#include <stdlib.h> -#include <math.h> -#include <time.h> - -#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_SSE -void qa_32f_power_aligned16::t1() { - - - volk_runtime_init(); - - const int vlen = 2046; - const int ITERS = 10000; - - volk_environment_init(); - int ret; - clock_t start, end; - double total; - float* input; - int i; - - float* result_generic; - float* result_sse; - float* result_sse4_1; - - ret = posix_memalign((void**)&input, 16, vlen * sizeof(float)); - ret = posix_memalign((void**)&result_generic, 16, vlen * sizeof(float)); - ret = posix_memalign((void**)&result_sse, 16, vlen * sizeof(float)); - ret = posix_memalign((void**)&result_sse4_1, 16, vlen * sizeof(float)); - - random_floats((float*)input, vlen); - - const float power = 3; - - printf("32f_power_aligned16\n"); - - start = clock(); - for(int count = 0; count < ITERS; ++count) { - volk_32f_power_aligned16_manual(result_generic, input, power, 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_power_aligned16_manual(result_sse, input, power, 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) { - get_volk_runtime()->volk_32f_power_aligned16(result_sse4_1, input, power, 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 %e -> %e %e %e\n", i, input[i], result_generic[i], result_sse[i], result_sse4_1[i]); - CPPUNIT_ASSERT_DOUBLES_EQUAL(result_generic[i], result_sse[i], fabs(result_generic[i])* ERR_DELTA); - CPPUNIT_ASSERT_DOUBLES_EQUAL(result_generic[i], result_sse4_1[i], fabs(result_generic[i])* ERR_DELTA); - } - - free(input); - free(result_generic); - free(result_sse); - -} -#else -void qa_32f_power_aligned16::t1() { - printf("sse not available... no test performed\n"); -} - -#endif /* LV_HAVE_SSE */ - |