1 files changed, 103 insertions, 0 deletions
diff --git a/volk/lib/qa_32f_index_max_aligned16.cc b/volk/lib/qa_32f_index_max_aligned16.cc
new file mode 100644
index 000000000..a1c3d4cd1
--- /dev/null
+++ b/volk/lib/qa_32f_index_max_aligned16.cc
@@ -0,0 +1,103 @@
+#include <volk/volk_runtime.h>
+#include <volk/volk.h>
+#include <qa_32f_index_max_aligned16.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#define ERR_DELTA (1e-4)
+#define NUM_ITERS 1000000
+#define VEC_LEN 3097
+static float uniform() {
+  return 2.0 * ((float) rand() / RAND_MAX - 0.5);	// uniformly (-1, 1)
+}
+
+static void
+random_floats (float *buf, unsigned n)
+{
+  unsigned int i = 0;
+  for (; i < n; i++) {
+
+    buf[i] = uniform () * 32767;
+
+  }
+}
+
+
+#ifndef LV_HAVE_SSE
+
+void qa_32f_index_max_aligned16::t1(){
+  printf("sse not available... no test performed\n");
+}
+
+#else
+
+
+void qa_32f_index_max_aligned16::t1(){
+ 
+  const int vlen = VEC_LEN;
+
+  
+  volk_runtime_init();
+  
+  volk_environment_init();
+  int ret;
+
+  unsigned int* target_sse4_1;
+  unsigned int* target_sse;
+  unsigned int* target_generic;
+  float* src0 ;
+  
+  
+  unsigned int i_target_sse4_1;
+  target_sse4_1 = &i_target_sse4_1;
+  unsigned int i_target_sse;
+  target_sse = &i_target_sse;
+  unsigned int i_target_generic;
+  target_generic = &i_target_generic;
+
+  ret = posix_memalign((void**)&src0, 16, vlen *sizeof(float));
+  
+  random_floats((float*)src0, vlen);
+  
+  printf("32f_index_max_aligned16\n");
+
+  clock_t start, end;
+  double total;
+  
+  
+  start = clock();
+  for(int k = 0; k < NUM_ITERS; ++k) {
+    volk_32f_index_max_aligned16_manual(target_generic, src0, vlen, "generic");
+  }
+  end = clock();  
+  total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+  printf("generic time: %f\n", total);
+
+  start = clock();
+  for(int k = 0; k < NUM_ITERS; ++k) {
+    volk_32f_index_max_aligned16_manual(target_sse, src0, vlen, "sse2");
+  }
+  
+  end = clock();  
+  total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+  printf("sse time: %f\n", total);
+  
+  start = clock();
+  for(int k = 0; k < NUM_ITERS; ++k) {
+    get_volk_runtime()->volk_32f_index_max_aligned16(target_sse4_1, src0, vlen);
+  }
+  
+  end = clock();  
+  total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+  printf("sse4.1 time: %f\n", total);
+  
+  
+  printf("generic: %u, sse: %u, sse4.1: %u\n", target_generic[0], target_sse[0], target_sse4_1[0]);
+  CPPUNIT_ASSERT_EQUAL(target_generic[0], target_sse[0]);
+  CPPUNIT_ASSERT_EQUAL(target_generic[0], target_sse4_1[0]);
+  
+  free(src0);
+}
+
+#endif /*LV_HAVE_SSE3*/