Re: font-lock has become far too slow

[no-spam@cua.dk (Kim F. Storm)]

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