That would be a technical case, not a business one.
> Sent: Tuesday, July 14, 2015 at 7:11 AM > From: "Robert Iakobashvili" <corobe...@gmail.com> > To: "Gian Maxera" <gmax...@gmail.com> > Cc: "interest@qt-project.org" <interest@qt-project.org> > Subject: Re: [Interest] Performance of Qt scripting on iOS > > Not about JS/QML performance, but my Qt widget-based apps on iOS are > very fast where > long operations on new iOS devices are about twice faster (average for > several long operations) > than on latest Android devices of the same class. > > Note, that the same apps on iPad Air-2 is about 10 times faster than iPad-2. > > Memory consumption with widgets is known to be less. > > So, is it some business case for Qt-widgets? > > > Regards, > Robert > > > On Tue, Jul 14, 2015 at 1:40 PM, Gian Maxera <gmax...@gmail.com> wrote: > > Yes … that’s the reason. Of course having only a dual core does not help. > > To avoid bad user experience, I wrap the delegates into Loader items, or > > the whole view into a Loader, and I create a fast overlay displaying a > > “Loading” message that disappear when the Loader complete to load > > everything. > > > >> On 14 Jul 2015, at 11:37, Nuno Santos <nunosan...@imaginando.pt> wrote: > >> > >> Is that the reason for the sluggish performance of Qml delegate > >> instantiation? > >> > >> My app runs awesomely on Android but no on iOS. Specially regarding > >> ListView delegate installation process. It completely hangs. I have always > >> thought that the main reason was the fact that the Android device is a > >> quad core and the iPad 2 a dual core. > >> > >> Nuno > >> > >>> On 14 Jul 2015, at 11:34, John C. Turnbull <ozem...@ozemail.com.au> wrote: > >>> > >>> It's well known that iOS does not support executable memory which means > >>> that any scripting language would not be able to use a JIT compiler. > >>> > >>> Given this, wouldn't it mean that Qt's JavaScript implementation would > >>> run like a one legged dog on this platform and therefore be practically > >>> unusable? > >>> > >>> -jct > >>> _______________________________________________ > >>> 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 > > > > _______________________________________________ > > 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 > _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
