Emacs 28 from master branch against their native-compiled ver-sions at comp_speed 3. Native compilation of Emacs Lisp on track to be merged into master, maintainers 'would like to see it in Emacs 28' The optimized native-code allows all the benchmarks to run at least two times faster, with most of them reaching much higher The build produced does have some limitations: It is not a universal application. PDF | Emacs Lisp (Elisp) is the Lisp dialect used by the Emacs text editor family. The main development continues in the master branch (as 28.0.50) whereas the emacs-27 branch will only receive bugfix commits. Main reasons are native JSON parsing which speeds up lsp-mode, and the new built-in display-fill-column-indicator-mode to replace the fill-column-indicator package (fci-mode) which I’d been using for years.The new built-in mode performs better and doesn’t conflict with some packages like fci-mode does. I’ve taken the liberty of writing a Dockerfile that demonstrates how to do it with Ubuntu 20.04 . As the feature’s not mainlined yet, you’ll have to compile it yourself. It’s very likely this feature will make it into Emacs 28, but that is years away. I'm using Emacs 28/native-comp on Debian Stable. I also recommend checking out emacs-pgtk-native-comp-git, this combines native compilation with a new rendering engine for an even faster Emacs. The native-compiled benchmarks are run under Emacs compiled and bootstrapped at comp_speed 2 from the same revision of the codebase. With modus-themes (modus-operandi-theme and modus-vivendi-theme on MELPA), setting the modus-vivendi-theme-override-colors-alist and modus-operandi-theme-override-colors-alist has no effect. I’ve been using Emacs 27 since around late January. The long wait is over!1 Emacs 27.1 was finally released a couple of days ago! They compare the execution time of the benchmarks when byte-compiled and run under the vanilla Emacs 28 from master branch against their native-compiled versions at comp_speed 3. Now there's a separate branch for emacs 27 which is going to be released anytime soon (in emacs terms). This is an issue with DOOM, and maybe specifically with Emacs 28. master branch (Emacs 28.x) feature/native-comp branch (Emacs 28.x) For reference, my machine is: 13-inch MacBook Pro (2020), 10th-gen 2.3 GHz Quad-Core Intel Core i7 (4c/8t) macOS 10.15.6 (19G2021) Xcode 12.0; Limitations. vgivanovic commented on 2020-08-24 05:09 No matter what I did, I kept on failing the libgccjit smoke test because I had installed gcc-10.2.0-1 and gcc-libs-10.2.0-1 when libgccjit was only at 10.1.0.-1. I want to compile the gccemacs branch of Emacs. Like every major Emacs release, 27.1 packs a lot of new features. 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