RE: speed comparison between DTS and non-DTS Flash

[Colin Holgate]

I think your argument is that setting Director to do as little as 
possible will mean that as much of the time taken was clearly taken 
by the Flash sprite. I can counter that argument by saying that if I 
make the Flash sprite smaller it goes a lot faster, meaning that the 
proportion of time taken by Director is small.

One way to test how much time Director is taking would be to set a 
frame rate of 999 and put this in the 206th frame (assuming you're 
about to test the speed of a 206 frame Flash sprite):

on exitframe
  put the timer
  starttimer
  go 1
end
My iMac isn't as fast as my PowerBook, but even it gets through those 
frames in 15 ticks. If I puppettempo 30000, that drops to 8 or 9 
ticks. I'm certain that if a Flash sprite that takes 680 ticks to 
draw all of its frames this way, 665 of those ticks are down to the 
Flash sprite.

Another concern about not using lock-step to test the Flash 
performance is that the Flash movie might skip frames to play at its 
intended frame rate.

Whatever the case, my DTS and non-DTS test were done the same way, 
which should mean that the test is valid.

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