Frederic Bouvier writes:
> Curtis L. Olson wrote:
> > Frederic Bouvier writes:
> > > I am using replay for the first time and I must admit I am impressed.
> > > I can see now how my approaches are bad ;-)
> > > 
> > > But, in the last 30s of play, my framerate drop to less than 1fps.
> > > I removed the debug cout that are still in the code, but its even 
> > > worse. It is on WinXP, compiled with MSVC. The other part of the 
> > > play is at normal framerate.
> > > 
> > > Is it something others are seeing ?
> > 
> > I'm not seeing anything like this in Linux, although the cout's should
> > go, I'll remove those.  Is it the last 60 seconds or truely the last
> > 30 seconds?
> 
> It is the last 60 seconds ( confirmed with chrono ;)

The replay system keeps full data for the last 60 seconds, and uses
lower resolution beyond that.  So it appears that the low res
interpolation is happening quickly, but for some reason the high res
interpolation is bogging down.

I use a binary search algorithm to find the appropriate place in the
data stream.  Perhaps something is not behaving well with that under
MSVC?  Maybe I made an assumption that only works with gcc or made a
mistake and got lucky with gcc?  It might be worth uncommenting some
of the couts from the binary search algorithm to see if the search is
progressing as it should or doing something funny.

Curt.
-- 
Curtis Olson   IVLab / HumanFIRST Program       FlightGear Project
Twin Cities    curt 'at' me.umn.edu             curt 'at' flightgear.org
Minnesota      http://www.menet.umn.edu/~curt   http://www.flightgear.org

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