[Interest] Extremely sluggish browser performance in Qt 5.5

[Allan Sandfeld Jensen]

To begin with you can try to start the inspector and see what it is waiting 
on. You start it by using the environment variable 
QTWEBENGINE_REMOTE_DEBUGGING, or the application argument --remote-debugging-
port.

`Allan

On Thursday 18 June 2015, John C. Turnbull wrote:
> So what might that suggest?  It really makes no sense as the same sites
> load instantly in all other browsers on the same machine.  But with
> WebEngineView, they are *extremely* slow and this is becoming a serious
> blocker for us.
> 
> -----Original Message-----
> From: interest-bounces+ozemale=ozemail.com.au at qt-project.org
> [mailto:interest-bounces+ozemale=ozemail.com.au at qt-project.org] On Behalf
> Of Allan Sandfeld Jensen
> Sent: Thursday, June 18, 2015 5:45 PM
> To: interest at qt-project.org
> Subject: Re: [Interest] Extremely sluggish browser performance in Qt 5.5
> 
> 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
> 
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