Impact of real time cube on query performance and OLAP cache

Hi:
We have actual and plan cubes both setup as real time cubes (only plan cube is being planned against, not actual cube) and both cubes are compressed once a day.
We are planning on implementing BIA accelerator and have questions related to query performance optimization:
1/ Is there are any query performance benefits in changing the actual cube to be a basic cube (using program SAP_CONVERT_NORMAL_TRANS) if the F table is fully compressed
2/ Can OLAP cache be leveraged for the queries run against the real time cubes e.g. actual cubes
3/ What is the impact on BIA of having the actual cube as real time (whetehr or not there is data being loaded/planned during the day in that cube)
Thank you in advance,
Catherine

1) Is there are any query performance benefits in changing the actual cube to be a basic cube (using program SAP_CONVERT_NORMAL_TRANS) if the F table is fully compressed
From the performance point of view, tha actual cubes i.e std cubes are relatively better.
2) Yes OLAP cache can be leveraged for bringing up the plan query but all the calculations are done in the planning buffer.
3) Not sure.

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