Re: Speed improvement of gnome-terminal

[Richard Hult <richard imendio com>]

Alexander Larsson wrote:
> On Thu, 2004-10-14 at 09:14 -0400, Dave Ahlswede wrote:
>
> > I have a suspicion that the slowness of Gnome-terminal compared to
> > others has something to do with Pango-- There's been recent talk of
> > optimizing Pango's paths for "standard" text, in part due to Mozilla's
> > consideration of using it for a layout engine. I suspect if pango gets
> > sped up, the terminal will benefit significantly.
>
>
> Pango is used very little in vte. I think at this point the major
> slowdown in gnome-terminal is rendering the text. If you pick a bitmap
> font its a lot faster. If someone wants to optimize this they need to
> work on the Xserver level to make Xrender faster. Latest Xorg version
> already has some optimizations in this area.

There are also at least those two bug reports in bugzilla with profiling 
info and some patches:

http://bugzilla.gnome.org/show_bug.cgi?id=143914
http://bugzilla.gnome.org/show_bug.cgi?id=137864

/Richard

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