From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christian Moe <mail@christianmoe.com>
Subject: Re: Re: Slow movement in large buffers
Date: Tue, 15 Mar 2011 23:00:15 +0100
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To: Matt Lundin <mdl@imapmail.org>
Cc: nicholas.dokos@hp.com, Org Mode <emacs-orgmode@gnu.org>, Carsten Dominik <carsten.dominik@gmail.com>


> 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 Tasks), I get

previous-line      5       5.89456       1.178912

Definitely a lag, but not as bad as you're seeing.


Yours,
Christian