Re: fontlock-speed
At 10:05 AM 2/6/02 +0100, Stef Epardaud wrote:
I have to admit we're having the same problem here in the office,
I used
to maintain a list of latest 21.1/2/4/5 installed, and we all noticed
some very annoying speed decrease at least in java (and jde when we
tried it) mode with font-lock for files over 5000 lines.
We have some files with around 10000 lines of java, and pressing tab to
get to the next line can take up to 5 seconds, and never less than 2.
So we all switched back to 21.1 as I did not have time to look into
that. I can try to build the latest of the latest (althought I'm not
sure anymore if it's 21.4 or .5 i need these days) and try it and
send the Installation file here if you want.
Some datapoints would be great. There are a number of possible culprits:
1 font-lock itself
2 regexp or syntax table issues
3 the progress bar
4 sematic
I would like to at least determine what is causing the slowdown. I see the
tab and interactive slowdown for large java files which indicates that its
not (3) I always had put this down to JDE's use of semantic but if its
faster in 21.1 I would like to get to the bottom of it.
andy