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/*!
\file timers.c
\brief Various timing functions
\date Started 4/12/2007
\author George
\version\verbatim $Id: timers.c 10711 2011-08-31 22:23:04Z karypis $ \endverbatim
*/
#include <GKlib.h>
/*************************************************************************
* This function returns the CPU seconds
**************************************************************************/
double gk_WClockSeconds(void)
{
#ifdef __GNUC__
struct timeval ctime;
gettimeofday(&ctime, NULL);
return (double)ctime.tv_sec + (double).000001*ctime.tv_usec;
#else
return (double)time(NULL);
#endif
}
/*************************************************************************
* This function returns the CPU seconds
**************************************************************************/
double gk_CPUSeconds(void)
{
//#ifdef __OPENMP__
#ifdef __OPENMPXXXX__
return omp_get_wtime();
#else
#if defined(WIN32) || defined(__MINGW32__)
return((double) clock()/CLOCKS_PER_SEC);
#else
struct rusage r;
getrusage(RUSAGE_SELF, &r);
return ((r.ru_utime.tv_sec + r.ru_stime.tv_sec) + 1.0e-6*(r.ru_utime.tv_usec + r.ru_stime.tv_usec));
#endif
#endif
}
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