Unfortunately I only have access to a Windows machine :-( -----Original Message----- From: interest-bounces+ozemale=ozemail.com...@qt-project.org [mailto:interest-bounces+ozemale=ozemail.com...@qt-project.org] On Behalf Of rpzrpz...@gmail.com Sent: Friday, June 19, 2015 11:41 AM To: interest@qt-project.org Subject: Re: [Interest] Extremely sluggish browser performance in Qt 5.5
On 6/18/2015 5:38 PM, John C. Turnbull wrote: > All I am doing is running the WebEngine Tab Browser example from > Creator > 3.4.0 which comes with the version of Qt that I downloaded which is > 5.5.0 MSVC2013 64-bit. I have selected to build for RELEASE and then > I just run it. > > The machine is a powerful Dell Precision 7500 Workstation with 2 x > Xeons and 64G of RAM and a Quadro FX 5800 GPU. > > The browser performance is absolutely woeful to the point of being unusable. > > *From:*Mark Langezaal [mailto:mark.langez...@xs4all.nl] > *Sent:* Thursday, June 18, 2015 9:11 PM > *To:* John C. Turnbull; interest@qt-project.org > *Subject:* Re: [Interest] Extremely sluggish browser performance in Qt > 5.5 > > Perhaps you have linked to a non optimized Qt package? (-O0 in stead > of -O2) > > Not sure how this could happen. > > Did you compile it yourself? > > Mark > > -------- Oorspronkelijk bericht -------- > > Van: "John C. Turnbull" > > Datum:18-06-2015 07:25 (GMT+01:00) > > Aan: interest@qt-project.org <mailto:interest@qt-project.org> > > Onderwerp: Re: [Interest] Extremely sluggish browser performance in Qt > 5.5 > > Anyone??? > > *From:*John C. Turnbull [mailto:ozem...@ozemail.com.au] > *Sent:* Monday, June 15, 2015 7:31 AM > *To:* 'interest@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...@qt-project.org > <mailto:interest-bounces+ozemale=ozemail.com...@qt-project.org>[mailto > :interest-bounces+ozemale=ozemail.com...@qt-project.org] > *On Behalf Of *John C. Turnbull > *Sent:* Friday, June 12, 2015 5:41 AM > *To:* interest@qt-project.org <mailto:interest@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 > > > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest > Can you run the same test on OSX and or Android? Just provide a chance to see if 5.5 web is sluggish across more than platform. -- No spell checkers were harmed during the creation of this message. _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
