slowness in Royale application

[Nallathambi, Varunkumar]

Hi,
              I feel dead slow in royale application, especially when we have 
AdvanceDatagrid. It is slow irrespective of Itemrenderer.  If I use 
Itemrenderer it is more slow .
We are using MX component only. It is not slow in Flex application. Only I feel 
the slowness on Royale screen.

I can see some messages in console. UpdateDisplayList not implemented., 
setChildIndex not implemented.

Kindly suggest me some finetune points on it.