initial check in

1 files changed, 24 insertions, 0 deletions

diff --git a/src/timing_stats.cc b/src/timing_stats.cc
new file mode 100644
index 00000000..85b95de5
--- /dev/null
+++ b/src/timing_stats.cc
@@ -0,0 +1,24 @@
+#include "timing_stats.h"
+
+#include <iostream>
+
+using namespace std;
+
+map<string, TimerInfo> Timer::stats;
+
+Timer::Timer(const string& timername) : start_t(clock()), cur(stats[timername]) {}
+
+Timer::~Timer() {
+  ++cur.calls;
+  const clock_t end_t = clock();
+  const double elapsed = (end_t - start_t) / 1000000.0;
+  cur.total_time += elapsed;
+}
+
+void Timer::Summarize() {
+  for (map<string, TimerInfo>::iterator it = stats.begin(); it != stats.end(); ++it) {
+    cerr << it->first << ": " << it->second.total_time << " secs (" << it->second.calls << " calls)\n";
+  }
+  stats.clear();
+}
+