[Interest] Extremely sluggish browser performance in Qt 5.5

[John C. Turnbull]

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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