Monday, March 26, 2012

Re: relativenumber is very very slow.

El Domingo, 11 de marzo de 2012, Yichao Zhou escribió:
> 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.

Hi. Sorry for jumping in the conversation so late, but I just want to point
out that both relativenumber and cursorline are known to be slow. The reason
is that both options cause a whole redraw of parts of the line. In the help
section of cursorline is mentioned that is known to be slow, and for
relativenumber is not mentioned, but I think that the same logic applies.

Strangely, on a slow windows computer with GVim on Windows XP I don't normally
notice it, but on a fast one with Linux and GVim again I sometimes have to
disable cursorline if I scroll too much.

--
Alex (a.k.a. suy) | GPG ID 0x0B8B0BC2
http://barnacity.net/ | http://disperso.net

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