From 239144659b29c0a5ecd83a34e0e57387a1060ed7 Mon Sep 17 00:00:00 2001
From: Tom Rondeau
Date: Tue, 7 Dec 2010 18:50:28 -0500
Subject: Initial checkin for VOLK - Vector-Optimized Library of Kernels. This
 is a new SIMD library.

It currently stands by itself under the GNU Radio tree and can be used separately. We will integrate the build process into GNU Raio and start building off of its functionality over time.
---
 volk/lib/qa_32u_popcnt_aligned16.cc | 61 +++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 volk/lib/qa_32u_popcnt_aligned16.cc

(limited to 'volk/lib/qa_32u_popcnt_aligned16.cc')

diff --git a/volk/lib/qa_32u_popcnt_aligned16.cc b/volk/lib/qa_32u_popcnt_aligned16.cc
new file mode 100644
index 000000000..49fcddeb2
--- /dev/null
+++ b/volk/lib/qa_32u_popcnt_aligned16.cc
@@ -0,0 +1,61 @@
+#include <volk/volk_runtime.h>
+#include <volk/volk.h>
+#include <qa_32u_popcnt_aligned16.h>
+#include <volk/volk_32u_popcnt_aligned16.h>
+#include <cstdlib>
+
+//test for sse
+
+#ifndef LV_HAVE_SSE4_2
+
+void qa_32u_popcnt_aligned16::t1() {
+  printf("sse4.2 not available... no test performed\n");
+}
+
+#else
+
+void qa_32u_popcnt_aligned16::t1() {
+  
+  
+  volk_runtime_init();
+
+  volk_environment_init();
+  clock_t start, end;
+  double total;
+
+  const int ITERS = 10000000;
+  uint32_t input0 __attribute__ ((aligned (16)));
+  
+  uint32_t output0 __attribute__ ((aligned (16)));
+  uint32_t output01 __attribute__ ((aligned (16)));
+
+    input0 = ((uint32_t) (rand() - (RAND_MAX/2)));
+    output0 = 0;
+    output01 = 0;
+
+  printf("32u_popcnt_aligned\n");
+
+  start = clock();
+  uint32_t ret = 0;
+  for(int count = 0; count < ITERS; ++count) {
+    volk_32u_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_32u_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
-- 
cgit 


From ce3e4c33d170b65cf288faec7d8da6a496eb6101 Mon Sep 17 00:00:00 2001
From: Tom Rondeau
Date: Thu, 16 Dec 2010 21:33:54 -0500
Subject: Including time header to qa files.

---
 volk/lib/qa_32u_popcnt_aligned16.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'volk/lib/qa_32u_popcnt_aligned16.cc')

diff --git a/volk/lib/qa_32u_popcnt_aligned16.cc b/volk/lib/qa_32u_popcnt_aligned16.cc
index 49fcddeb2..618a82a02 100644
--- a/volk/lib/qa_32u_popcnt_aligned16.cc
+++ b/volk/lib/qa_32u_popcnt_aligned16.cc
@@ -3,6 +3,7 @@
 #include <qa_32u_popcnt_aligned16.h>
 #include <volk/volk_32u_popcnt_aligned16.h>
 #include <cstdlib>
+#include <ctime>
 
 //test for sse
 
-- 
cgit