Initial commitv8.0

1 files changed, 123 insertions, 0 deletions

diff --git a/time/akg_benchmark.cc b/time/akg_benchmark.cc
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+/*
+* This file is part of rasdaman community.
+*
+* Rasdaman community is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* Rasdaman community is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
+*
+* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
+rasdaman GmbH.
+*
+* For more information please see <http://www.rasdaman.org>
+* or contact Peter Baumann via <baumann@rasdaman.com>.
+*/
+
+/*************************************************************************
+ *
+ *
+ * PURPOSE:
+ *   
+ *    
+ *
+ * COMMENTS:
+ *   none
+ *
+ ***********************************************************************/
+
+#include "akgtime.hh"
+#include<iomanip>
+
+using namespace akg;
+
+    
+BenchmarkTimer::BenchmarkTimer(const char *lText, bool highPrecision) throw()
+  {
+    text = (char*)lText;
+    
+    precHigh = highPrecision;
+   }
+BenchmarkTimer::~BenchmarkTimer() throw()
+  {
+   }
+
+void BenchmarkTimer::reset() throw()
+  {
+    tvStart.tv_sec  = 0;
+    tvStart.tv_usec = 0;
+    tvEnd.tv_sec    = 0;
+    tvEnd.tv_usec   = 0;
+   }
+   
+void BenchmarkTimer::start() throw()
+  { 
+    gettimeofday(&tvStart,NULL);
+   }
+
+void BenchmarkTimer::stop() throw()
+  {
+    gettimeofday(&tvEnd,NULL);
+    timeval_subtract(&tvResult,&tvEnd,&tvStart);
+   }
+
+void BenchmarkTimer::setPrecision(bool high) throw()
+  {
+    precHigh = high;
+   }
+
+bool BenchmarkTimer::getPrecision() const throw()
+  {
+    return precHigh;
+   }
+      
+int BenchmarkTimer::timeval_subtract(timeval *lResult,timeval *x,timeval *y) throw()
+ {
+       /* Perform the carry for the later subtraction by updating Y. */
+       if (x->tv_usec < y->tv_usec) {
+         int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
+         y->tv_usec -= 1000000 * nsec;
+         y->tv_sec += nsec;
+       }
+       if (x->tv_usec - y->tv_usec > 1000000) {
+         int nsec = (x->tv_usec - y->tv_usec) / 1000000;
+         y->tv_usec += 1000000 * nsec;
+         y->tv_sec -= nsec;
+       }
+     
+       /* Compute the time remaining to wait.
+          `tv_usec' is certainly positive. */
+       lResult->tv_sec = x->tv_sec - y->tv_sec;
+       lResult->tv_usec = (x->tv_usec - y->tv_usec);
+     
+       /* Return 1 if result is negative. */
+       return x->tv_sec < y->tv_sec;
+  }
+
+
+std::ostream& akg::operator<<(std::ostream &os, BenchmarkTimer &bm)
+  {
+    if(bm.precHigh == true)
+      { 
+        unsigned int msec = bm.tvResult.tv_sec*1000 + bm.tvResult.tv_usec / 1000;
+        unsigned int usec = bm.tvResult.tv_usec % 1000;
+    
+        os<<bm.text<<"="<<msec<<'.'<<std::setfill('0')<<std::setw(3)<<usec<<"ms";    
+       }
+    else
+      {
+      	unsigned int msec = bm.tvResult.tv_usec / 1000;
+        unsigned int sec  = bm.tvResult.tv_sec;
+
+        os<<bm.text<<"="<<sec<<'.'<<std::setfill('0')<<std::setw(3)<<msec<<"s";       
+       }   
+    return os;
+   }
+