Defer Treesitter setup to improve startup time of nvim {filename}#448
Merged
feoh merged 1 commit intonvim-lua:masterfrom Oct 2, 2023
Merged
Defer Treesitter setup to improve startup time of nvim {filename}#448feoh merged 1 commit intonvim-lua:masterfrom
feoh merged 1 commit intonvim-lua:masterfrom
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@AshrafMichail23 This PR is still marked as a WIP, are you still actually working on it? |
Author
Marked as "ready for review". |
Collaborator
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OK I just tested this myself. I don't see any downsides here! Merging. Folks please yell if this impacts you in any way, and @AshrafMichail23 thanks for your contribution! |
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Wrapping the require('nvim-treesitter.configs').setup block in a vim.defer_fn(function()...end, 0) saves 185ms of startup time when loading a file with an expensive Treesitter parser such as: nvim test.cc.
Default init.lua:
302.407 000.007: --- NVIM STARTED ---
Adding vim.defer_fn around require('nvim-treesitter.configs').setup block:
115.798 000.005: --- NVIM STARTED ---
The 185ms startup delay does not occur when loading a simple .txt file or .lua file.
Changes visual experience:
Before: slower startup + treesitter colors available first frame
After: faster startup + treesitter colors come in after first frame
Closes #435