[O] Re: Slow movement in large buffers

2011-03-17 Thread Matt Lundin
Bastien writes: > Matt, can you build and locally test such a file? Then instrument > next-line when jumping from headline 1 to 2, to 3, to 4? I'm on the job. :) I'll write back with an official report. Suffice it to say that my early experiments show org-mode cruising through the examples you

Re: [O] Re: Slow movement in large buffers

2011-03-15 Thread Nick Dokos
Christian Moe wrote: > On 3/15/11 11:56 PM, Nick Dokos wrote: > Given the five previous-lines in your profile, I suspect that > > one or two were much longer than the others which skewed the average. > > Actually not, I was going back and forth over the same two lines, and > previous-line was

Re: [O] Re: Slow movement in large buffers

2011-03-15 Thread Bastien
Nick Dokos writes: > Given the evidence that Lawrence Mitchell provided however, it seems clear > that most of the blame can be placed on overlays - no? Yes, probably. I've also experience slow motion in some big files of mine. One factor was the use of the :ARCHIVE: tag. I tried to remove th

Re: [O] Re: Slow movement in large buffers

2011-03-15 Thread Christian Moe
On 3/15/11 11:56 PM, Nick Dokos wrote: Given the five previous-lines in your profile, I suspect that one or two were much longer than the others which skewed the average. Actually not, I was going back and forth over the same two lines, and previous-line was fairly stable at around 1.2 second

Re: [O] Re: Slow movement in large buffers

2011-03-15 Thread Nick Dokos
Christian Moe wrote: > > > Yes, hardware is indeed a factor here. I'm using a dual-core Atom processor > > with 2GB of memory. > > > > Matt > > > > I'm not so sure about the hardware factor. > > I'm on a seven-year-old G4 Mac PPC laptop with 768 MB RAM. > > Over the same folded headings in a

Re: [O] Re: Slow movement in large buffers

2011-03-15 Thread Christian Moe
Yes, hardware is indeed a factor here. I'm using a dual-core Atom processor with 2GB of memory. Matt I'm not so sure about the hardware factor. I'm on a seven-year-old G4 Mac PPC laptop with 768 MB RAM. Over the same folded headings in a freshly pulled org-issues (Other to Development Tas

Re: [O] Re: Slow movement in large buffers

2011-03-15 Thread Carsten Dominik
On 15.3.2011, at 15:09, Eric S Fraga wrote: > Hello, > > following up on this issue, I have just run into it again. I'm editing > a not very large document and suddenly things slowed down, mostly but > not exclusively for "next-line": > > --8<---cut here---start

[O] Re: Slow movement in large buffers

2011-03-15 Thread Carsten Dominik
On 15.3.2011, at 16:51, Matt Lundin wrote: > Nick Dokos writes: > >> FWIW, I opened org-issues.org and followed Matt's lead: at first, I got >> almost instant response going from Other to Closed (using arrow-down) >> and a slight hesitation (< 0.5s) going from Other to the previous >> headline

[O] Re: Slow movement in large buffers

2011-03-15 Thread Matt Lundin
Nick Dokos writes: > FWIW, I opened org-issues.org and followed Matt's lead: at first, I got > almost instant response going from Other to Closed (using arrow-down) > and a slight hesitation (< 0.5s) going from Other to the previous > headline (Development Tasks). After noodling around for a whi

[O] Re: Slow movement in large buffers

2011-03-15 Thread Eric S Fraga
Hello, following up on this issue, I have just run into it again. I'm editing a not very large document and suddenly things slowed down, mostly but not exclusively for "next-line": --8<---cut here---start->8--- next-line

[O] Re: Slow movement in large buffers

2011-03-15 Thread Matt Lundin
Eric S Fraga writes: > Matt Lundin writes: > Interesting. It doesn't take 3 seconds on my system (Intel(R) > Pentium(R) D CPU 2.80GHz) but there is a noticeable delay using C-n to > move from =* Other= to =* Closed issues=. However, using C-cC-n to move > has no delay at all and moving backwa

[O] Re: Slow movement in large buffers

2011-03-15 Thread Matt Lundin
Carsten Dominik writes: > DO you have flyspell turned on? > Yes, but the same results occur with flyspell turned off. (See my response to your other email.) Best, Matt

[O] Re: Slow movement in large buffers

2011-03-15 Thread Matt Lundin
Carsten Dominik writes: > On Mar 15, 2011, at 4:25 AM, Matt Lundin wrote: > >> I've been navigating the org-issues file (14000+ lines) and have found >> movement within the file to be fairly slow. Sometimes Emacs will lock up >> for several seconds. >> >> For instance, to move from the level one