[webkit-qt] accelerated compositing

[noam.rosenthal at nokia.com]

>-----Original Message-----
>From: webkit-qt-bounces at lists.webkit.org 
>[mailto:webkit-qt-bounces at lists.webkit.org] On Behalf Of 
>Poulain Benjamin (Nokia-D-Qt/Oslo)
>With AcceleratedCompositingEnabled, the rendering is significantly 
>slower on the N900 (and the ram usage is higher).

Yes - that's a regression I'm currently working on (35393). AC is still the right way to go but there are still bumps.
Like I said, having autotests to find those regressions are a great initiative.

>
>There might be a problem with my methodology. I have attached a test 
>case were AcceleratedCompositingEnabled is slower, you can use the 
>regular benchmark tools with it.

Thanks, we're testing it right now!

>
> > Counter question: Does the non accelerated path have more/different
> > test coverage?
>
>So far, the performance tools 
>(http://gitorious.org/qtwebkit/performance) have only covered the 
>non-accelerated path.

Let's spend some time next week to make sure they cover both paths.

Cheers
No'am