Re: [h-e-w] hight CPU loading on scrolling

[Lennart Borgman (gmail)]

Kostafey_Yandex wrote:
> I've got a qestion (bug?) when I try
> emacs.
> 
> I set scroll 'by line' like this
> (setq scroll-step 1)
> 
> Then I open rather long file (like emacs tutorial)
> and press down buton for a some peiod of time.
> After some smooth scroll period CPU loading increase,
> so 'glitches' or scroll interrupts take place.
> 
> The CPU loading increase much more when we try to do the
> same with russian tutorial (simply scroll down line-by-line).
> 
> We try it on 2 PC (with WinXP both) with different
> versions of emacs, different configuration files.
> 
> It does not matter what verson of emacs we use or
> configuration of them (except line (setq scroll-step 1),
> of course).
> It was:
> emacs-22.1-bin-i386
> emacs-22.2-bin-i386
> emacs-22.3-bin-i386
> (downloaded from different mirrors including FSF)

Could you perhaps try Emacs 23 (which is not released yet)?

> The (bug?) takes place every time.
> 
> Can we do somthing to make scrolling really smooth (that
> is without hight CPU loading effect)?
> Or it is a really bug?
>