From: no-spam@cua.dk (Kim F. Storm)
Cc: emacs-devel@gnu.org
Subject: Re: font-lock has become far too slow
Date: 29 Apr 2004 01:07:28 +0200 [thread overview]
Message-ID: <m3hdv34s7j.fsf@kfs-l.imdomain.dk> (raw)
In-Reply-To: <m265bljb1n.fsf@Majnun.local>
John Wiegley <johnw@gnu.org> writes:
> John Wiegley <johnw@gnu.org> writes:
>
> > Starting very recently, font-lock (using jit-lock) has become so
> > slow that Emacs can no longer keep up with my typing -- on a modern,
> > 1.25 GHz PowerBook G4. I haven't profiled things yet, so does
> > anyone know what was added that might make things this slow? I
> > compiled with -O3 -fomit-frame-pointer, but still am forced to turn
> > off font-lock mode.
>
> It looks like it's more than just font-lock. With font-lock off, if I
> hold down C-p to move up in the buffer, drawing new pages takes up to
> a full second (subjective). And typing past the end of a line has a
> hard time keeping up with my typing. Even typing this message is very
> laggy. I will have to do some profiling to see what it going on.
> Nothing in my configuration has changed very drastically since
> February, when things were working quite nicely.
I just installed a fix for a problem causing excessive redisplay.
Please see if this problem has been fixed as well.
--
Kim F. Storm <storm@cua.dk> http://www.cua.dk
next prev parent reply other threads:[~2004-04-28 23:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-27 22:31 font-lock has become far too slow John Wiegley
2004-04-27 22:44 ` John Wiegley
2004-04-28 6:20 ` Eli Zaretskii
2004-04-29 22:08 ` John Wiegley
2004-05-03 19:53 ` Kevin Rodgers
2004-05-03 21:30 ` Stefan Monnier
2004-04-28 23:07 ` Kim F. Storm [this message]
2004-04-29 22:08 ` John Wiegley
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