Jonah Williams comments

Results 585 comments of


                                            Jonah Williams

[engine] scrolling perfomance regression with merged platform/UI thread.

I'm back, well rested, and can repro the problem. Interestingly enough the issue disappears in release mode, that is if I add `showPerformanceOverlay: true,` to the MaterialApp and run in...

[engine] scrolling perfomance regression with merged platform/UI thread.

There are lots of differences between profile/release mode unfortunately. Running the VMSevice debugger/profiler has substantial overhead.

[engine] scrolling perfomance regression with merged platform/UI thread.

That does not sound related at all

[engine] scrolling perfomance regression with merged platform/UI thread.

Yeah I think merging the UI/Platform thread changed the threading affinity which made the overhead of metal validation more apparent. I do think this is a slight perf difference as...

ImageFliter.blur having rendering issues on android, after upgrading flutter from 3.24.5 to 3.27.1

This was almost certainly fixed by https://github.com/flutter/engine/pull/57212 . Checking out master to confirm would be super helpful to us.