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MPEG2 Encoder optimization on IVA-HD platform

Hi IVA-HD Experts,

Recently I developed  MPEG2 encoder on IVA-HD platfrom. 

When I see the profiling results through SMSET (System Event Trace), I am seeing that the MC3 accelerator store task is taking too much time (close to 35% of the overall time).

I am just storing the data from IPRDBUF to SL2 in the store task using LSE engine with all 2D data transfers. Also I see errors in this task. 

Can anybody tell me why is this happening?

Also if I add any condition inside the CPU task running on ICONT1 or ICONT2, the cycles bloat hugely.

Can anybody tell me what is the workaround for this? 

-Viranjan