Re: [ jEdit-devel ] Super slow buffer with big files!

[Corey T. <cor...@ge...>]

Slava,

Sounds great, thanks!

Corey

----- Original Message -----
From: "Slava Pestov" <sl...@je...>
To: <de...@je...>
Sent: Wednesday, September 18, 2002 3:10 PM
Subject: Re: [ jEdit-devel ] Super slow buffer with big files!


> Corey,
>
> The "long lines" problem is a known problem and is independent of the
> file being large (eg, try opening a 1-line file with a 1000-character
> line; it will be slow). I am planning on fixing it before 4.1final.
>
> On Mon, 2002-09-16 at 17:27, Corey Taylor wrote:
> > Hi,
> >
> > Soft wrap is off. More accurate syntax highlighting is off, and I have a
> > bunch of plug-ins but I'm not sure they are the problem since my linux
jEdit
> > has the same problem and has only a few plugins installed.
> >
> > I think you could reproduce this problem rather easily. I think the
problem
> > is what Matthew mentioned in an e-mail recently:
> >
> > "More specifically that I can tell, the problem only exists for me when
> > the text of lines extend far into the right of the buffer. If I modify
> > the same text file, and return the lines of text so that the text
> > doesn't extend so far into the right of the buffer, jedit seems to be
> > more responsive." --Matthew Hailstone
> >
> > I think Matthew is right. If you have a lot of lines that extend very
far to
> > the right, scrolling becomes very slow, and borders on unresponsive.
Mind
> > you my machine is fast and has plenty of memory, so this shouldn't be a
> > problem. If anyone wants to see what I mean, paste a whole bunch of
lines
> > about 4-8 KBs in size one after another then try to scroll. Make sure
line
> > wraps are off, otherwise scrolling will be normally fast. It's weird
when I
> > have line wrap on it scrolls fast, but when I have these super long
lines
> > that stretch far to the right, scrolling becomes very slow, but only in
the
> > sections that stretch very far to the right.
> >
> > This is an easy problem to reproduce, and if I wasn't clear just e-mail
me
> > and I'll explain in more detail.
> >
> > Once again, I'd be glad to try to come up with a solution, but I'm sure
> > there are some developers on this list who can come up with a fix faster
> > than me since I have no experience with the jEdit codebase. Thanks,
> >
> > Corey
> >
> > ----- Original Message -----
> > From: "Slava Pestov" <sl...@je...>
> > To: <jed...@li...>
> > Sent: Monday, September 16, 2002 2:35 PM
> > Subject: Re: [ jEdit-devel ] Super slow buffer with big files!
> >
> >
> > > Hi,
> > >
> > > I would check a few settings:
> > >
> > > - Is soft wrap on?
> > > - Is "more accurate syntax highlighting" on?
> > > - What plugins do you have?
> > >
> > > To test I've opened 100Mb+ files in jEdit, which was sort of slow, but
> > > 2Mb files should not have any slowdowns.
> > >
> > > Slava
> > >
> > > On Fri, 2002-09-13 at 20:31, Corey Taylor wrote:
> > > > Hi I am having a problem with jEdit that I'd like to fix. Whenever I
> > load a big text file, say a 2MB SQL file, the scrolling becomes very
slow!
> > > >
> > > > Is this a problem with jEdit, or is this a limitation of the JVM. I
> > imagine increasing buffer sizes could speed scrolling up with large
ammounts
> > of text. Has anyone found a solution to working with large ammounts of
text
> > quickly in jEdit? Oh yeah, and I did turn of all the options that slow
stuff
> > down like anti-aliasing, etc...
> > > >
> > > > If this is a problem with the jEdit code, perhaps I can lend my Java
> > expertise in coming up with a fix? Or is there a simpler way to speed
things
> > up?
> > > >
> > > > Corey
> > >
> > >
> > >
> > >
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> >
>
>
>
>
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