summaryrefslogtreecommitdiff
path: root/volk/lib/qa_64u_popcnt_aligned16.cc
diff options
context:
space:
mode:
Diffstat (limited to 'volk/lib/qa_64u_popcnt_aligned16.cc')
-rw-r--r--volk/lib/qa_64u_popcnt_aligned16.cc62
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