How can I optimize my installation for Roto-brush?

I tried to work with the Roto Brush tool and a clip of 8 seconds and it is painfully slow (about 4-5 seconds) to propagate between the individual frames.  Add and subtract the mattes take quite long to refresh too; all said and done I might as well have just painted mattes by hand.

Is this normal?  Demos do seem so quick and easy...

I'm pretty decent (8.1 of Windows 64 - bit, 8-core Xeon, 64 GB of RAM) on a machine.  Looking at the Task Manager, it seems that it uses only one processor while working, but it isn't even maxing out this kernel.

Thanks for any idea/advice!

It's just how it works. Traditionally, AE can use only 1 core of wire for most of the time since they must be handled linearly and in order. All also traditionally Xeons have performance by smaller heart as they seek to parallel processing more than great performance with mode, as would a kernel (X) i. Simply not an ideal combination.

Mylenium

Tags: After Effects

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