I'm trying to convert some code that amounts to a busy wait.  I'd like to use something very similar to the StopWatch, but I need to let the timer keep going.  Typical use is < 1 second.  What's the best way to do this with Tango?  I guess one way is to start and stop the stopwatch and just add the various results together.  I guess I'm just surprised there's no equivalent to boost's timer::elapsedTime()

I could imagine strange uses with ~ 1 minute or more.  What are the limits of the StopWatch timing method?

Jason House wrote:
> I'm trying to convert some code that amounts to a busy wait.  I'd like to use something very similar to the StopWatch, but I need to let the timer keep going.  Typical use is < 1 second.  What's the best way to do this with Tango?  I guess one way is to start and stop the stopwatch and just add the various results together.  I guess I'm just surprised there's no equivalent to boost's timer::elapsedTime()

You could use WallClock.  Its resolution is well below 1s, and it isn't limited in duration like StopWatch.

> I could imagine strange uses with ~ 1 minute or more.  What are the limits of the StopWatch timing method?

Whatever the limits of the underlying OS routines are.  And I'm not sure what that is for WinXP offhand.  But Win32 uses a ulong to store the number, so it should be well over a minute.


Sean