[Interest] qml performance with Qt5.2 and Qt5.3

Gunnar Sletta gunnar.sletta at jolla.com
Fri Jun 27 12:18:50 CEST 2014


On 27 Jun 2014, at 12:10, Nancy Zou <Nancy.Zou at csr.com> wrote:

> Dear Gunnar & other friends:
> 
> I think performance of qml scene graph in Qt5.3  is better than Qt5.2 because I read some commits from the git 5.3 branch. I know the qml scene graph update a lot after Qt5.2 release.

Actually, it didn't change all that much. A few bug fixes and two small optimizations, AFAIR.


> But I find the performance of Qt5.3  is decrease compared with Qt5.2 when I do some tests.  
> I used to report it QTBUG-39191.

The bugreport is highlighting performance regressions in binding execution and is not related to graphics.

> 
> Did you ever met this problem? Did it fix in Qt5.3.1?
> 
> 
> Best Regards
> Nancy
> 
> 
> 
> 
> Member of the CSR plc group of companies. CSR plc registered in England and Wales, registered number 4187346, registered office Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, United Kingdom
> More information can be found at www.csr.com. Keep up to date with CSR on our technical blog, www.csr.com/blog, CSR people blog, www.csr.com/people, YouTube, www.youtube.com/user/CSRplc, Facebook, www.facebook.com/pages/CSR/191038434253534, or follow us on Twitter at www.twitter.com/CSR_plc.
> New for 2014, you can now access the wide range of products powered by aptX at www.aptx.com.




More information about the Interest mailing list