On Aug 18, 2014, at 16:05, Florian Bruckner (3kraft) <florian.bruck...@3kraft.com> wrote:
> I have built a minimalistic test case that exposes the problem. It creates a > JFrame with an editor pane in it to show some HTML content (a javadoc page). > The test is to just scroll from the bottom to the top and back to the bottom > by mouse wheel as quickly as possible, I did 5 iterations in each test run. > > Wall clock timing was approx. 15 seconds with Java 6 and approx 45 seconds > with java 8. As the problem worsens with increased screen resolutions I > decided to use the full resolution of my new UHD display (which is > 3840x2160), the machine is a [...] Thanks for coming up with some sort of test. Hopefully the folks at Oracle find the time to look into this, perhaps do their own performance testing, and find ways to improve the 2D pipeline. Cheers, -hendrik
