On Fri, 7 Jan 2022 08:04:53 GMT, Abhinay Agarwal <d...@openjdk.java.net> wrote:

>> This work improves the performance of `MultipleSelectionModel`  over large 
>> data sets by caching some values and avoiding unnecessary calls to 
>> `SelectedIndicesList#size`. It further improves the performance by reducing 
>> the number of iterations required to find the index of an element in the 
>> BitSet.
>> 
>> The work is based on [an abandoned 
>> patch](https://github.com/openjdk/jfx/pull/127) submitted by @yososs
>> 
>> There are currently 2 manual tests for this fix.
>
> Abhinay Agarwal has updated the pull request incrementally with two 
> additional commits since the last revision:
> 
>  - Format code and reduce test size
>  - Add size assertion to test

The code changes look good.
I tested on Mac. This PR drastically improves the selection time for the 
provided manual test.

-------------

Marked as reviewed by aghaisas (Reviewer).

PR: https://git.openjdk.java.net/jfx/pull/673

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