Re: Gtk performance

2008-06-12 Thread G Hasse
On Wed, Jun 11, 2008 at 09:49:46PM +0200, Gian Mario Tagliaretti wrote:
> On Wed, Jun 11, 2008 at 6:30 PM, Gerardo Di Iorio
> <[EMAIL PROTECTED]> wrote:
> 
> >> You must ask yourself - comparing to what?
> >>
> >> Java?
> >> QT?
> >
> > comparing to  QT.
> 
> As Tor already pointed out, if you have read it on the web it _must_ be true.

And in a remote corner of the webb I read that QT has a cost and Gtk
hasen't and that QT is (more or less) bound to some strange C++ 
preprocessor and that Gtk (since written in C) could be bound to any
language (except esperanto).

> 
> cheers
> -- 
> Gian Mario Tagliaretti
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Re: Gtk performance

2008-06-11 Thread Michael Torrie
Gerardo Di Iorio wrote:
> Hi,
> i started to make an application in gtk.
> I have find on the web why gtk is slow and require much memory!
> Is true?

Yes, no, maybe.

>From my experience, speed is really divided into two things: perception
and throughput.  On the perception side of things, sometimes end users
perceive GTK as slow due to things like flicker during refresh, or
widgets that redraw too many times during a resize.  These are issues
that have been addressed and are being addressed.  Some of the
perception issues have a lot to do with the asynchronous nature of X11,
or due to the way GDK was implemented on windows (windows don't redraw
while being moved on windows xp, for example).  If the problem is X11,
then Qt will exhibit it also.  Things like double buffering and the new
X11 synchronization protocol help with flickering.

As for throughput, you'll need hard numbers to make any judgments there.
   And it all depends on what you are doing too.  From what I've seen,
GTK is probably faster and light than Qt.  Signal propagation is known
to be faster, and in general, GTK is pretty quick, at least as fast as
Qt.  I highly doubt GTK takes up "much" memory compared to Qt either.

Frankly there are lots of reasons to choose one toolkit over the other
but simply "slow" or "much memory" are not initially valid reasons.
Rather ease of development, the richness of the widgets, the ability to
rapidly generate good, usable interfaces, and other factors are much,
much more important to you as a developer.  Whether or not and end user
thinks your program is slow often depends on how badly you've set up the
interface!
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Re: Gtk performance

2008-06-11 Thread Martin (OPENGeoMap)

Gian Mario Tagliaretti escribió:


On Wed, Jun 11, 2008 at 6:30 PM, Gerardo Di Iorio
<[EMAIL PROTECTED]> wrote:

 


You must ask yourself - comparing to what?

Java?
QT?
 


comparing to  QT.
   



As Tor already pointed out, if you have read it on the web it _must_ be true.

cheers
 


http://www.wikivs.com/wiki/Qt_vs_GTK

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Re: Gtk performance

2008-06-11 Thread Gian Mario Tagliaretti
On Wed, Jun 11, 2008 at 6:30 PM, Gerardo Di Iorio
<[EMAIL PROTECTED]> wrote:

>> You must ask yourself - comparing to what?
>>
>> Java?
>> QT?
>
> comparing to  QT.

As Tor already pointed out, if you have read it on the web it _must_ be true.

cheers
-- 
Gian Mario Tagliaretti
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Re: Gtk performance

2008-06-11 Thread Gerardo Di Iorio


On Wed, 11 Jun 2008 17:37:46 +0200, G Hasse <[EMAIL PROTECTED]> wrote:
> On Wed, Jun 11, 2008 at 01:27:34PM +0200, Gerardo Di Iorio wrote:
>> Hi,
>> i started to make an application in gtk.
>> I have find on the web why gtk is slow and require much memory!
>> Is true?
> 
> You must ask yourself - comparing to what?
> 
> Java?
> QT?

comparing to  QT.


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Re: Gtk performance

2008-06-11 Thread Tor Lillqvist
> I have find on the web why gtk is slow and require much memory! Is true?

If you read it on the web, it must be true, yes.

--tml
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