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-rw-r--r--volk/lib/qa_64u_byteswap_aligned16.cc59
1 files changed, 59 insertions, 0 deletions
diff --git a/volk/lib/qa_64u_byteswap_aligned16.cc b/volk/lib/qa_64u_byteswap_aligned16.cc
new file mode 100644
index 000000000..4f5d4d02b
--- /dev/null
+++ b/volk/lib/qa_64u_byteswap_aligned16.cc
@@ -0,0 +1,59 @@
+#include <volk/volk.h>
+#include <qa_64u_byteswap_aligned16.h>
+#include <volk/volk_64u_byteswap_aligned16.h>
+#include <cstdlib>
+#include <cstring>
+
+//test for sse
+
+#ifndef LV_HAVE_SSE2
+
+void qa_64u_byteswap_aligned16::t1() {
+ printf("sse2 not available... no test performed\n");
+}
+
+#else
+
+void qa_64u_byteswap_aligned16::t1() {
+
+ volk_environment_init();
+ clock_t start, end;
+ double total;
+ const int vlen = 3201;
+ const int ITERS = 100001;
+
+ uint64_t output0[vlen] __attribute__ ((aligned (16)));
+ uint64_t output01[vlen] __attribute__ ((aligned (16)));
+
+ for(int i = 0; i < vlen; ++i) {
+ output0[i] = (uint64_t) ((rand() - (RAND_MAX/2)) / (RAND_MAX/2));
+ }
+ memcpy(output01, output0, vlen*sizeof(uint64_t));
+ printf("64u_byteswap_aligned\n");
+
+ start = clock();
+ for(int count = 0; count < ITERS; ++count) {
+ volk_64u_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_64u_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