Vim running slow with LaTeX files

Question

I'm using Vim with a bunch of plugins (pathogen, ctags, snipmate, supertab, ...), and everything works fine for all kinds of file extensions.

However, when I'm try to edit .tex files it presents two problems which seem related. First, Vim starts to work really slow, and second, when I press "any letter + Tab", it tries to auto-complete with words previously written in the text.

One way which I tried to solve those issues, is by removing the supertab plugin from my bundle folder, but it's a not satisfactory solution.

Answer 1

The problem is due to the relativenumber option, when I turned it off the latex edit speed come back to normal.