Insert or paste became slow in my case in line 670.
But then I go to the first line and edit it then undo changes.
Then return to 670 line. Slowing disappear.
File size 4677 lines.
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Jun 16 2016 10:50:38)
Included patches: 1-1689
Insert or paste became slow in my case in line 670.
But then I go to the first line and edit it then undo changes.
Then return to 670 line. Slowing disappear.
File size 4677 lines.
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Jun 16 2016 10:50:38)
Included patches: 1-1689
Package: vim-nox-py2 2:7.4.1689-3ubuntu amd64