this post was submitted on 30 Oct 2023
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use a POSIX OS (i.e., linux, unix, or macOS) as their file system and I/O management are generally more performant than Windows. NOTE: macOS I/O is worse than linux/unix, but better than windows; and their ARM chips generally perform better in their OS as well.
I use 29.1 with native compilation enabled, and I generally use the Full Ahead of Time compile when i can, so that all the built-in/included by default emacs code is already compiled.
I use a lot of tricks from DOOM Emacs, its hard to list them all, but many of them are good. Take a look at their early-init.el, init.el, and core files to see what they do to speed things up in various cases.
I used Elpaca over straight/use-package for package management, as it was designed to be async from the ground up, so it can do a lot in parallel, well, emacs version of parallel.
I use a lot of built-in hooks, package-hooks, and custom-hooks, to only load packages when they are actually needed, and try to avoid global modes when possible.
my config is a bit of a mess, but if you are curious, you can see it here:
customacs
Also if you need to use windows, I found out recently that even GUI apps can be run under WSL. That seems to help the speed problem (I only tried magit and basic file handling and it is much closer to the speed under Linux)
yes, definitely use WSL if you are on windows! Emacs goes from useable, to very performant when you setup WSL for GUI :)