[Lazarus] Ubuntu 9.04 (Lazarus too slow)

Osvaldo Filho arquivostcf at gmail.com
Thu May 7 18:05:51 CEST 2009

... and with QT4 applications?

Em Qui, 2009-05-07 às 12:08 +0000, Mark Morgan Lloyd escreveu:
> Graeme Geldenhuys wrote:
> > On Thu, May 7, 2009 at 10:49 AM, Mark Morgan Lloyd
> > <markMLl.lazarus at telemetry.co.uk> wrote:
> >> I'm not fully up-to-date with versions etc. but what I've seen is that
> >> under some circumstances Lazarus- particularly with gtk2- is
> >> unreasonably slow running over a remote (i.e. networked) X session.
> >> Speed to a local X session and remotely using VNC is acceptable.
> > 
> > Lazarus via a remove X session in TOTALLY unusable!! It is clearly a
> > bug somewhere in the LCL-GTK2 widgetset, because other GTK2
> > applications like Mozilla Firefox, Thunderbird, Nero for Linux, gEdit,
> > Nautilus etc all run fine with acceptable speeds.
> No, Firefox (or specifically Debian's rebranded version which they call 
> IceWeasel) does NOT run with acceptable speed over a remote X session, 
> although this might in part depend on the hardware platform.
> I'm afraid I can't test this in detail at present due to Debian 
> self-destructing after an update to one of my development systems, but 
> so far it appears that I get exactly the same combination of problems as 
> we've previously discussed with Lazarus.
> I was going to comment on this publicly after I'd tried to characterise 
> the Mozilla problem a bit more, but at present I'd suggest that it's 
> either a bug inside GTK2 itself or is associated with a particular way 
> of using one or more GTK2 facilities.
> This appears to be worse on SPARC than on x86, it would be interesting 
> to know whether it is predictably worse on big-endian than little-endian 
> systems.

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