Re: relativenumber is very very slow.

<?xml version="1.0" encoding="utf-8"?>

<soundcard driver="ALSA" version = "0:0"
name = "*"
type = "*"
generation = "2"
>

<profile id="ALSA.HDA_Intel_PCH.1.default" name="HDA Intel PCH"/>
<product vendor="Any Vendor" name="Generic Soundcard" />

<control id="^Master:0$" subcontrols="*" show="simple" />
<control id="^Front:0$" subcontrols="*" show="simple" />
<control id="^Surround:0$" subcontrols="*" show="simple" />
<control id="^Center:0$" subcontrols="*" show="simple" />
<control id="^LFE:0$" subcontrols="*" show="simple" />
<control id="^PCM:0$" subcontrols="*" show="simple" />
<control id="^CD:0$" subcontrols="*" show="simple" />
<control id="^Headphone:0$" subcontrols="*" show="simple" />
<control id="^Mic.*:0$" subcontrols="*" show="simple" />
<control id="^DAC:0$" subcontrols="*" show="simple" />
<control id="^ADC:0$" subcontrols="*" show="simple" />
<control id="^.*$" subcontrols="*" show="extended" mandatory="true" />

</soundcard>
On Sunday, March 11, 2012 12:43:04 PM UTC+8, Yichao Zhou wrote:
> Hi everyone.
> When I write tex, I always find that typing in vim is very very lag
> when the file become longer. I used to think this is the problem of
> latex's complicated syntax. So I just ignore it. But today I find
> that after disabling 'relativenumber' or change it to 'number' make
> vim behave like a rocket. I have never enjoyed a such so smooth VIM!
>
> Why 'relativenumber' will cause vim so lag even if I just type. Also
> I found that 'relativenumber' will cause mouse scrolling must slower
> than 'number'. I think it should not be so slow since it do not do
> many thing. There must be some bugs in vim. At least it should give
> a warning in document to tell the user this option will heavily slow
> down the VIM.
>
> Regards,
> Yichao Zhou

I'm having the same problem with an XML file (attached). ':set rnu' makes moving and scrolling very very slow both in Vim (running in Konsole) and GVim. ':set nu' is fast, though.

I've tried setting lazyredraw, (no)ttyfast and ttyscroll=3, but none of them is a good solution.

It is strange that no other files seems to cause the same problem.

--
Hexchain Tong

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