Vim slow with ruby syntax highlighting

Question

I\'ve been using vim over ssh to work for a week or two now and all has been going great. Today I decided to add in some syntax highlighting, autocomplete, and some other ge

Answer 1

I'm using vim 7.4.52 and none of these solutions worked for me.

According to this github comment on the issue (https://github.com/vim/vim/issues/282#issuecomment-169837021), foldmethod=syntax is responsible for the slowness.

Adding this to my .vimrc finally fixed it!

augroup ft_rb
    au!
    " fix the SLOOOW syntax highlighting
    au FileType ruby setlocal re=1 foldmethod=manual
augroup END