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Thread: RE: vibrating models (was shockwave 3d and bsp trees)




RE: vibrating models (was shockwave 3d and bsp trees)
country flaguser name
United Kingdom
2007-03-08 05:00:32
 > There's a Shockwave issue with more recent AMD
processors. 
> This sounds similar to the symptoms your describing.
> The problem happens when the thread running shockwave
player 
> in the browser switches from one processor to another.
This 
> actually happens quite frequently on a dual core
system. The 
> player gets the system time stamp at one frame, the
player's 
> thread is switched to the different processor by the
OS, then 
> on the next frame when it takes the time stamp again it
comes 
> up with a completely invalid time since each core has
it's 
> own clock and they aren't in sync.

This is really interesting, Gene. Does it affect *all*
time-related
functions (ticks, milliseconds), or just Director's internal
frame counter,
or only HW-accelerated 3D? If it affects the milliseconds,
that's a very
serious bug for anyone doing time-based code.

Danny

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