Very slow edit/save on large projects

[anagrius]

We have a project 50k+ lines of Elm. We love Elmjutsu! Atm though we can't use it because it makes editing Elm files, very slow when typing and saving.

I profiled a little and it seems that the getActiveFileTokens in Indexes is one of the major culprits. We would love to use the addon, but right now, it almost makes Atom unusable event on new machines. I will try to do more profiling to see what is going on.

[halohalospecial]

Hi @anagrius, do you think it's because you have lots of files, you have large files, or both? On my machine, it's tolerable on a 4.2K-line file :smile_cat:

[halohalospecial]

Oh, and there are some features that are really slow :sweat_smile: (https://github.com/halohalospecial/atom-elmjutsu#performance-tuning)

[amitaibu]

@halohalospecial awesome package!

on my machine I have also https://atom.io/packages/language-elm for the syntax highlight. When I disabled autocomplete option of language-elm -- elmjitsu became fast again.

[amitaibu]

Care for a PR to add this to the README ?

[halohalospecial]

Sure, @amitaibu :smile:

There's also this note in the README:

It's recommended to uncheck Enable autocomplete of the language-elm package to prevent duplicate suggestions.

[amitaibu]

Oh, sorry I missed it, I was looking for it in the performance tuning. Maybe worth moving it to a more prominent place -- as it's very likely that most users will have language-elm as-well?

[halohalospecial]

@amitaibu, I'll add it to the "Performance Tuning" section. Thanks for the suggestion!

[halohalospecial]

@amitaibu, Elmjutsu will offer to disable language-elm's autocomplete in the next version :smile_cat:

[amitaibu]

Nice one! 😄