1 files changed, 71 insertions, 0 deletions
diff --git a/volk/lib/qa_16sc_deinterleave_real_16s_aligned16.cc b/volk/lib/qa_16sc_deinterleave_real_16s_aligned16.cc
new file mode 100644
index 000000000..ca048ea67
--- /dev/null
+++ b/volk/lib/qa_16sc_deinterleave_real_16s_aligned16.cc
@@ -0,0 +1,71 @@
+#include <volk/volk.h>
+#include <qa_16sc_deinterleave_real_16s_aligned16.h>
+#include <volk/volk_16sc_deinterleave_real_16s_aligned16.h>
+#include <cstdlib>
+
+//test for sse
+
+#ifndef LV_HAVE_SSSE3
+
+void qa_16sc_deinterleave_real_16s_aligned16::t1() {
+  printf("ssse3 not available... no test performed\n");
+}
+
+#else
+
+void qa_16sc_deinterleave_real_16s_aligned16::t1() {
+  
+  volk_environment_init();
+  clock_t start, end;
+  double total;
+  const int vlen = 3201;
+  const int ITERS = 100000;
+  std::complex<int16_t> input0[vlen] __attribute__ ((aligned (16)));
+  
+  int16_t output_generic[vlen] __attribute__ ((aligned (16)));
+  int16_t output_sse2[vlen] __attribute__ ((aligned (16)));
+  int16_t output_ssse3[vlen] __attribute__ ((aligned (16)));
+
+  int16_t* loadInput = (int16_t*)input0;
+  for(int i = 0; i < vlen*2; ++i) {   
+    loadInput[i] = ((int16_t)((((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2))) * 32678.0));
+  }
+  printf("16sc_deinterleave_real_16s_aligned\n");
+
+  start = clock();
+  for(int count = 0; count < ITERS; ++count) {
+    volk_16sc_deinterleave_real_16s_aligned16_manual(output_generic, input0, 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_16sc_deinterleave_real_16s_aligned16_manual(output_sse2, input0, vlen, "sse2");
+  }
+  end = clock();
+  total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+  printf("sse2_time: %f\n", total);
+
+  start = clock();
+  for(int count = 0; count < ITERS; ++count) {
+    volk_16sc_deinterleave_real_16s_aligned16_manual(output_ssse3, input0, vlen, "ssse3");
+  }
+  end = clock();
+  total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+  printf("ssse3_time: %f\n", total);
+
+  for(int i = 0; i < vlen; ++i) {
+    //printf("inputs: %d, %d\n", input0[i*2], input0[i*2 + 1]);
+    // printf("%d = generic... %d, sse2... %d, ssse3... %d\n", i, output_generic[i], output_sse2[i], output_ssse3[i]);
+  }
+  
+  for(int i = 0; i < vlen; ++i) {
+    //printf("%d...%d\n", output0[i], output01[i]);
+    CPPUNIT_ASSERT_DOUBLES_EQUAL(output_generic[i], output_sse2[i], fabs(output_generic[i])*1e-4);
+    CPPUNIT_ASSERT_DOUBLES_EQUAL(output_generic[i], output_ssse3[i], fabs(output_generic[i])*1e-4);
+  }
+}
+
+#endif