From a74183ddb4ab8383bfe214b3745eb8a0a99ee47a Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Thu, 25 Jun 2015 12:56:45 +0800
Subject: let HTK I/O implementation be a single package

---
 htk_io/src/KaldiLib/Timer.h | 103 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 htk_io/src/KaldiLib/Timer.h

(limited to 'htk_io/src/KaldiLib/Timer.h')

diff --git a/htk_io/src/KaldiLib/Timer.h b/htk_io/src/KaldiLib/Timer.h
new file mode 100644
index 0000000..b220b93
--- /dev/null
+++ b/htk_io/src/KaldiLib/Timer.h
@@ -0,0 +1,103 @@
+#ifndef Timer_h
+#define Timer_h
+
+#include "Error.h"
+#include <sstream>
+
+
+
+#if defined(_WIN32) || defined(MINGW)
+
+# include <windows.h>
+
+namespace TNet
+{
+  class Timer {
+  public:
+    void 
+    Start(void)
+    {
+      static int first = 1;
+
+      if(first) {
+              QueryPerformanceFrequency(&mFreq);
+              first = 0;
+      }
+      QueryPerformanceCounter(&mTStart);
+    }
+
+    void 
+    End(void)
+    { QueryPerformanceCounter(&mTEnd); }
+
+    double 
+    Val()
+    {
+      return ((double)mTEnd.QuadPart - (double)mTStart.QuadPart) / 
+        ((double)mFreq.QuadPart);
+    }
+
+  private:
+    LARGE_INTEGER mTStart;
+    LARGE_INTEGER mTEnd;
+    LARGE_INTEGER mFreq;
+  };
+}
+
+#else
+
+# include <sys/time.h>
+# include <unistd.h>
+
+namespace TNet
+{
+  class Timer 
+  {
+  public:
+    void 
+    Start()
+    { gettimeofday(&this->mTStart, &mTz); }
+
+    void 
+    End()
+    { gettimeofday(&mTEnd,&mTz); }
+
+    double 
+    Val()
+    {
+      double t1, t2;
+
+      t1 =  (double)mTStart.tv_sec + (double)mTStart.tv_usec/(1000*1000);
+      t2 =  (double)mTEnd.tv_sec + (double)mTEnd.tv_usec/(1000*1000);
+      return t2-t1;
+    }
+
+  private:
+    struct timeval mTStart;
+    struct timeval mTEnd;
+    struct timezone mTz;
+  };
+}
+
+#endif
+
+
+
+
+
+
+
+///////////////////////////////////////////////////////////////
+// Macros for adding the time intervals to time accumulator
+#if PROFILING==1
+#  define TIMER_START(timer) timer.Start()
+#  define TIMER_END(timer,sum) timer.End(); sum += timer.Val()
+#else
+#  define TIMER_START(timer) 
+#  define TIMER_END(timer,sum) 
+#endif
+
+#endif
+
+
+
-- 
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