Slow screen lock/unlock

[Richard Gaskin]

Jim Hurley wrote:
> RR does not do a screen refresh after a "set the loc of ...." in OS X 
> and so an "Unlock screen" command is required. This slows the OS X 
> performance.

The Quartz rendering engine in OS X is a strange CPU-intensive beast. 
It's a good thing that 16 layers of alpha channels are absolutely 
necessary to get through the day, or folks might accuse it of being a 
waste of cycles. ;)

In many cases you can update Quartz faster than "unlock screen" by using 
"wait 0 with messages".

--
  Richard Gaskin
  Fourth World Media Corporation
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  Rev tools and more: http://www.fourthworld.com/rev