[Assorted-commits] SF.net SVN: assorted:[1901] sandbox/trunk/src/cc/timing.cc

[<yan...@us...>]

Revision: 1901
          http://sourceforge.net/p/assorted/svn/1901
Author:   yangzhang
Date:     2017-05-12 21:58:42 +0000 (Fri, 12 May 2017)
Log Message:
-----------
Add timing sandbox test

Added Paths:
-----------
    sandbox/trunk/src/cc/timing.cc

Added: sandbox/trunk/src/cc/timing.cc
===================================================================
--- sandbox/trunk/src/cc/timing.cc	                        (rev 0)
+++ sandbox/trunk/src/cc/timing.cc	2017-05-12 21:58:42 UTC (rev 1901)
@@ -0,0 +1,25 @@
+#include <ctime>
+#include <iostream>
+#include <sys/time.h>
+#include <sys/timeb.h>
+using namespace std;
+unsigned long usec() {
+  timeval t;
+  gettimeofday(&t, 0);
+  return 1000000 * t.tv_sec + t.tv_usec;
+}
+int main() {
+  struct timeb start, end;
+  ftime(&start);
+  cout << time(0) << endl;
+  cout << clock() << endl;
+  cout << usec() << endl;
+  usleep(5000);
+  ftime(&end);
+  int diff =  (int) (1000.0 * (end.time - start.time) + (end.millitm - start.millitm));
+  cout << time(0) << endl;
+  cout << clock() << endl;
+  cout << usec() << endl;
+  cout << diff << endl;
+  return 0;
+}

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