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port TimingUtil header to C++11s <chrono>

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This commit is contained in:
Dennis Luxen 2014-05-09 11:48:48 +02:00
parent 1b67120704
commit 1f9806386e
1 changed files with 9 additions and 28 deletions
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37
Util/TimingUtil.h
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@ -25,34 +25,15 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TIMINGUTIL_H_
#define TIMINGUTIL_H_
#ifndef TIMINGUTIL_H
#define TIMINGUTIL_H
#ifdef _WIN32
#include <sys/timeb.h>
#include <sys/types.h>
#include <winsock.h>
void gettimeofday(struct timeval* t,void* timezone) {
struct _timeb timebuffer;
_ftime( &timebuffer );
t->tv_sec=timebuffer.time;
t->tv_usec=1000*timebuffer.millitm;
}
#else
#include <sys/time.h>
#endif
#include <chrono>
/** Returns a timestamp (now) in seconds (incl. a fractional part). */
static inline double get_timestamp() {
struct timeval tp;
gettimeofday(&tp, NULL);
return double(tp.tv_sec) + tp.tv_usec / 1000000.;
}
#define TIMER_START(_X) std::chrono::time_point<std::chrono::steady_clock> _X##_start, _X##_stop; _X##_start = std::chrono::steady_clock::now()
#define TIMER_STOP(_X) _X##_stop = std::chrono::steady_clock::now()
#define TIMER_MSEC(_X) std::chrono::duration_cast<std::chrono::milliseconds>(_X##_stop - _X##_start).count()
#define TIMER_SEC(_X) std::chrono::duration_cast<std::chrono::seconds>(_X##_stop - _X##_start).count()
#define TIMER_MIN(_X) std::chrono::duration_cast<std::chrono::minutes>(_X##_stop - _X##_start).count()
#define TIMER_START(_X) timeval _X##_start, _X##_stop; gettimeofday(&_X##_start, NULL)
#define TIMER_STOP(_X) gettimeofday(&_X##_stop, NULL);
#define TIMER_MSEC(_X) ((_X##_stop.tv_sec - _X##_start.tv_sec) * 1000.0 + (_X##_stop.tv_usec - _X##_start.tv_usec) / 1000.0)
#define TIMER_SEC(_X) ((_X##_stop.tv_sec - _X##_start.tv_sec) + (_X##_stop.tv_usec - _X##_start.tv_usec) / 1000.0 / 1000.0)
#define TIMER_MIN(_X) ((_X##_stop.tv_sec - _X##_start.tv_sec) / 60.0)
#endif /* TIMINGUTIL_H_ */
#endif /* TIMINGUTIL_H */