RFR: 8185886: Improve scrolling performance of TableView and TreeTableView
github.com+6702882+dannygonzalez at openjdk.java.net
Tue Feb 18 09:06:32 UTC 2020
On Thu, 6 Feb 2020 16:13:33 GMT, dannygonzalez <github.com+6702882+dannygonzalez at openjdk.org> wrote:
> Optimisation to ExpressionHelper.Generic class to use Sets rather than Arrays to improve listener removal speed.
> This was due to the removal of listeners in TableView taking up to 50% of CPU time on the JavaFX Application thread when scrolling/adding rows to TableViews.
> This may alleviate some of the issues seen here:
> TableView has a horrific performance with many columns #409
> JDK-8088394 : Huge memory consumption in TableView with too many columns
> JDK-8166956: JavaFX TreeTableView slow scroll performance
> JDK-8185887: TableRowSkinBase fails to correctly virtualise cells in horizontal direction
> OpenJFX mailing list thread: TableView slow vertical scrolling with 300+ columns
I have signed the Oracle Contributor Agreement today. Have not received back any confirmation yet though.
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