add benchmark by gustavo

SConstruct

@@ -340,6 +340,12 @@ run_tests.set_executable()
 run_tests.add_deps(['core', 'simulator', 'common'])
 run_tests.add_source('run-tests.cc')
 
+bench_object = build.Ns3Module('bench-object', 'utils')
+ns3.add(bench_object)
+bench_object.set_executable()
+bench_object.add_deps(['core'])
+bench_object.add_source('bench-object.cc')
+
 bench_packets = build.Ns3Module('bench-packets', 'utils')
 #ns3.add(bench_packets)
 bench_packets.set_executable()

utils/bench-object.cc

@@ -0,0 +1,43 @@
+#include <vector>
+#include <stdlib.h>
+#include "ns3/interface-object.h"
+
+using namespace ns3;
+
+class BaseA : public ns3::InterfaceObject
+{
+public:
+  static const ns3::MyInterfaceId iid;
+  BaseA ()
+  {
+    SetInterfaceId (BaseA::iid);
+  }
+  virtual void Dispose (void) {}
+};
+
+const ns3::MyInterfaceId BaseA::iid = 
+ns3::MakeInterfaceId ("BaseABench", InterfaceObject::iid);
+
+
+
+int main (int argc, char *argv[])
+{
+  int nobjects = atoi (argv[1]);
+  int nswaps = atoi (argv[2]);
+
+  std::vector< Ptr<BaseA> > objlist;
+
+  for (int i = 0; i < nobjects; ++i)
+    objlist.push_back (MakeNewObject<BaseA> ());
+
+  for (int swapCounter = nswaps; swapCounter; --swapCounter)
+    {
+      int x1 = swapCounter % nobjects;
+      int x2 = (swapCounter+1) % nobjects;
+      Ptr<BaseA> obj1 = objlist[x1];
+      Ptr<BaseA> obj2 = objlist[x2];
+      objlist[x2] = obj1;
+      objlist[x1] = obj2;
+    }
+}
+