Calculate parent rollup in script

Here is my issue. We have a vendor dimension which contains >50 sub-rollups that are dynamic calc. This creates issues when we run reports as it is performing all the dynamic calc and it takes >20 min to run the report. There are about 1200+ vendors in total. I am trying to see if I can create a calc script and change the parent rollup to store instead of dynamic to speed up the process. What can I do to create a calc script to populate that parent rollup? Does anyone has other ideas? Btw, the dim is a sparse dim.
Thanks.
Mike

Dynamic Calc tagged members with large roll-ups can cause slow retrievals.
That's probably why there's a warning when you tag a member with more than 100 members underneath it.
Tagging these members stored and performing the aggregation/calc during the nightly batch processes is a great idea. You always want to have the quickest batch process times, but when you need faster retrievals you have the option to do the all calculations during off hours.
So by increasing your nightly calcs you can achieve quicker report retrievals the follow day.
I can't remember why, but I never use Dynamic Calc and Store tags.
Brian Chow

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