A colleague and I also see one performance issue with Qt 5.2 Beta as compared 
to Qt 5.1.

We observe a 20% jump in CPU usage with the FPS Item from the Cinematic 
Experience Demo.  This is the component which dynamically displays the number 
of frames per second and has a spinning graphic.  You can see it in action here:

https://www.youtube.com/watch?v=wulbR2R1GpM&feature=player_embedded#at=40

We observe this large increase in CPU usage due to the FPS Item on a 
BeagleBoard-xM/Angstrom.

If anyone has an idea why FPS Item would run far less efficiently in Qt 5.2 
Beta on BB-xM, please let me know.

- VStevenP

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