/*
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% StopTimer() stops the stopwatch.
%
% The format of the StopTimer method is:
%
% void StopTimer(TimerInfo *time_info)
%
% A description of each parameter follows.
%
% o time_info: Timer statistics structure.
%
*/
static void StopTimer(TimerInfo *time_info)
{
assert(time_info != (TimerInfo *) NULL);
assert(time_info->signature == MagickSignature);
time_info->elapsed.stop=ElapsedTime();
time_info->user.stop=UserTime();
if (time_info->state == RunningTimerState)
{
time_info->user.total+=time_info->user.stop-
time_info->user.start+MagickEpsilon;
time_info->elapsed.total+=time_info->elapsed.stop-
time_info->elapsed.start+MagickEpsilon;
}
time_info->state=StoppedTimerState;
}
/*
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+ S t a r t T i m e r %
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%
% StartTimer() starts the stopwatch.
%
% The format of the StartTimer method is:
%
% void StartTimer(TimerInfo *time_info,const MagickBooleanType reset)
%
% A description of each parameter follows.
%
% o time_info: Timer statistics structure.
%
% o reset: If reset is MagickTrue, then the stopwatch is reset prior to
% starting. If reset is MagickFalse, then timing is continued without
% resetting the stopwatch.
%
*/
MagickExport void StartTimer(TimerInfo *time_info,const MagickBooleanType reset)
{
assert(time_info != (TimerInfo *) NULL);
assert(time_info->signature == MagickSignature);
if (reset != MagickFalse)
{
/*
Reset the stopwatch before starting it.
*/
time_info->user.total=0.0;
time_info->elapsed.total=0.0;
}
if (time_info->state != RunningTimerState)
{
time_info->elapsed.start=ElapsedTime();
time_info->user.start=UserTime();
}
time_info->state=RunningTimerState;
}
inline double StopWatch::RealTime()
{
#if (MFEM_TIMER_TYPE == 0)
return UserTime();
#elif (MFEM_TIMER_TYPE == 1)
clock_t curr_rtime, curr_utime, curr_stime;
clock_t rtime = real_time;
if (Running)
{
Current(&curr_rtime, &curr_utime, &curr_stime);
rtime += (curr_rtime - start_rtime);
}
return (double)(rtime) / my_CLK_TCK;
#elif (MFEM_TIMER_TYPE == 2)
if (Running)
{
struct timespec curr_rtime;
GetRealTime(curr_rtime);
return ((real_time.tv_sec + (curr_rtime.tv_sec - start_rtime.tv_sec)) +
1e-9*(real_time.tv_nsec +
(curr_rtime.tv_nsec - start_rtime.tv_nsec)));
}
else
{
return real_time.tv_sec + 1e-9*real_time.tv_nsec;
}
#elif (MFEM_TIMER_TYPE == 3)
LARGE_INTEGER curr_rtime, rtime = real_time;
if (Running)
{
QueryPerformanceCounter(&curr_rtime);
rtime.QuadPart += (curr_rtime.QuadPart - start_rtime.QuadPart);
}
return (double)(rtime.QuadPart) / frequency.QuadPart;
#endif
}
