Recently I decided to duplicate my Neovim setup from MacOS to WSL. On MacOS, I never had any load time issues, but to my shock, on WSL it took 2 seconds to start Neovim and another 2 seconds to lazy load more plugins when opening a file!
The root cause of this is the slow filesystem calls between WSL and the host Windows which affects the search for executables. This can be addressed in 3 areas:
-
Bypass
clipboard.vimsearch for executables. - Don't add Windows $PATH to WSL $PATH
-
Deduplicate $PATH (add this to the end of
.bashrc/.zshrc)
A nice side effect of these steps is that bash/zsh becomes much faster as well (especially with autocompletion/autosuggest).
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