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