[muscle] Re: strange message

  • From: "Jeremy Friesner" <jaf@xxxxxxxxxxxx>
  • To: muscle@xxxxxxxxxxxxx
  • Date: Fri, 17 Jun 2005 09:07:35 PDT (-0700)

Hi Wim,

That message is printed when muscle's GetRunTime64() function detects a bug in 
the behaviour of Windows' QueryPerformanceCounter() function and tries to work 
around it by falling back to the lower-resolution (but more reliable) 
timeGetTime() function instead.

Details about the bug (which only occurs on certain motherboards) can be found 


AFAIK the work-around works pretty well, so there shouldn't be any real problem 
well, okay, there is one, and that is that timeGetTime()'s value resets back to 
after about 49 days, which means that if your program is relying on 
for anything, it will probably break after 49.7 days of uptime.  :^(


> Hallo,
> I get the message on muscled : Queryperformancecounter() is buggy,
> reverting to timeGetTime() methode instead .
> What does this mean ?  Is there a problem ? 

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