early-init.el

;; early-init.el -*- lexical-binding: t; -*-

;; Emacs 27 introduces early-init.el, which is run before init.el,
;; before package and UI initialization happens.

;; Defer garbage collection further back in the startup process
(setq gc-cons-threshold most-positive-fixnum)

;; Package initialize occurs automatically, before `user-init-file' is
;; loaded, but after `early-init-file'. We handle package
;; initialization, so we must prevent Emacs from doing it early!
(setq package-enable-at-startup nil)

;; Prevent the glimpse of un-styled Emacs by disable these UI elements early.
(push '(menu-bar-lines . 0) default-frame-alist)
(push '(tool-bar-lines . 0) default-frame-alist)
(push '(vertical-scroll-bars) default-frame-alist)

;; Resizing the Emacs frame can be a terribly expensive part of changing the
;; font. By inhibiting this, we easily halve startup times with fonts that are
;; larger than the system default.
(setq frame-inhibit-implied-resize t)