[Interest] Extremely sluggish browser performance in Qt 5.5

[Allan Sandfeld Jensen]

I can't reproduce the issue.


On Thursday 18 June 2015, John C. Turnbull wrote:
> Anyone???
> 
> 
> 
> From: John C. Turnbull [mailto:ozemale at ozemail.com.au]
> Sent: Monday, June 15, 2015 7:31 AM
> To: 'interest at qt-project.org'
> Subject: RE: [Interest] Extremely sluggish browser performance in Qt 5.5
> Importance: High
> 
> 
> 
> Hasn't anyone else tried out the WebEngineView in Qt 5.5 QML?  I just can't
> explain why it takes minutes to load pages that load instantaneously in
> Chrome or Firefox.  This is really hurting us, especially the unusable
> Google Maps.
> 
> 
> 
> From: interest-bounces+ozemale=ozemail.com.au at qt-project.org
> <mailto:interest-bounces+ozemale=ozemail.com.au at qt-project.org>
> [mailto:interest-bounces+ozemale=ozemail.com.au at qt-project.org] On Behalf
> Of John C. Turnbull
> Sent: Friday, June 12, 2015 5:41 AM
> To: interest at qt-project.org <mailto:interest at qt-project.org>
> Subject: [Interest] Extremely sluggish browser performance in Qt 5.5
> 
> 
> 
> I am just trying out the "nano browser" in Qt 5.5 on Windows 7 64-bit and
> find it almost unusable.
> 
> 
> 
> Loading *any* website is slow but it is particularly noticeable with Google
> Maps.  It can take more than a minute to render the initial map and then
> zooming in first shows just a scaled and pixelated version of the map and
> then it can several minutes for the details to be rendered properly.  Also,
> switching from map to Earth/Satellite view seems to take forever too.
> 
> 
> 
> What could be causing this incredible slowness?  It's not the network
> itself as the same sites load instantaneously in other browsers like
> Chrome and Firefox on the same machine and there is no proxy involved.
> 
> 
> 
> Given that the primary use case I had intended for the Qt browser
> implementation is Google Maps, this is all very worrying!
> 
> 
> 
> Thanks,
> 
> 
> 
> -jct