New GroupingCollection2 class with improved perforamnce

Rather than repeat the same thing : Sameer talks about the new GroupingCollection to in data visualization swc of Flex.

Give it a try !

Here is a GroupingCollection with good performance !

I created a new GroupingCollection2 (by tweaking the default implemenation) which has better performance compared to the GroupingCollection. Please find the swc here.

Replace the GroupingCollection instance in any application with GroupingCollection2 and check the performance. When I tested it with 8K records with 4 grouping fields it was able to group in 5 seconds which seems to be good (in comparsion).

Please note this has not gone through extensive testing. I would be glad to fix any bugs found.

If you are one of those who doesn't have patience to build and test an app, here is the one I built. Here is the source.

If you think it is worth your time drop a note about your findings !!