add speed comparison

git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@375 7ec92016-0320-0410-acc4-a06ded1c099a

test/SafeFormat/main.cpp

@@ -14,6 +14,8 @@
 #include <cassert>
 #include <utility>
 
+#include "../SmallObj/timer.h"
+
 using namespace std;
 
 template <class Integral1, class Integral2>
@@ -90,39 +92,49 @@ void TestCase2(const string& fmt, T value, U value2)
 
 int main(int argc, char** argv)
 {
-    if (argc == 3)
+    if (argc == 2)
     {
         // test speed
-        int i = atoi(argv[2]);
-        switch (argv[1][0])
-        {
-        case 'p':
-            for (; i > 0; --i)
-            {
-                printf("Hey, %u frobnicators and %u twiddlicators\n",
-                       i, i);
-            }
-            break;
-        case 's':
-            for (; i > 0; --i)
-            {
-                cout << "Hey, " << i << " frobnicators and " << i <<
-                " twiddlicators\n";
-            }
-            break;
-        case 'n':
-            for (; i > 0; --i)
-            {
-                Printf("Hey, %u frobnicators and %u twiddlicators\n")
-                (i)(i);
-            }
-            break;
-        }
-        return 0;
-    }
 
+        Timer t;
+
+        int loop = atoi(argv[1]);
+
+        if(loop < 100)
+            loop = 100;
+
+        t.start();
+        for (int i=loop; i > 0; --i)
+            printf("Hey, %u frobnicators and %u twiddlicators\n",i, i);
+        t.stop();
+        t.t100 = t.t();
+        int t_printf = t.t();
+
+
+        t.start();
+        for (int i=loop; i > 0; --i)
+            Printf("Hey, %u frobnicators and %u twiddlicators\n")(i)(i);
+        t.stop();
+        int t_Printf = t.t();
+
+
+        t.start();
+        for (int i=loop; i > 0; --i)
+            cout << "Hey, " << i << " frobnicators and " << i <<" twiddlicators\n";
+        t.stop();
+        int t_cout = t.t();
+
+
+        Printf("\n\nElapsed time for %i outputs\n\n")(loop);
+        t.print(t_printf,"printf   : ");
+        t.print(t_Printf,"Printf   : ");
+        t.print(t_cout,  "std::cout: ");
+    }
+    else
+    {
         //srand(time(0));
         srand(0);
+        printf("\nNumber of tests:\n");
         for (unsigned i = 0; ; ++i)
         {
             printf("%u\r", i);
@@ -210,4 +222,5 @@ int main(int argc, char** argv)
                 break;
             }
         }
+    }
 }