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The diffwrence in performance is hhuuuugggee!

Vim lags on my project, nvim doesnt! Quadcorei5, 16hb ram!

What are you doing that makes Vim lag? In my experience (on much weaker hardware) it only lags noticeably when you do wildly unusual stuff, e.g. huge files or files with huge lines.

On an old netbook (remember those?) Vim would lag just entering text in insert mode when I was editing LaTeX files (and only LaTeX files as far as I could tell). Slowness of LaTeX syntax highlighting is a known problem (the help files have a section called tex-slow). Trying all the suggestions there didn't speed things up enough for me. I tried editing without syntax highlighting for a while (this did work and completely solved the lag), but eventually just switched to Emacs.

Editing latex(colors, parens, higjlighting, syntax check)

Scala (700 lines/file)

Managed to do more with nvim - yet to try syntactic again, thatll be the real test) but so far amuch more stable experience movement wise. (the files i work on are huge and im tasked with refactoring, so i cant avoid the hugeness)

That's strange. Do you have some unusual plugins?

Syntactic and highlighting unusual?

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