diff options
Diffstat (limited to 'early-init.el')
| -rw-r--r-- | early-init.el | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/early-init.el b/early-init.el index d45faef79..7ae814734 100644 --- a/early-init.el +++ b/early-init.el @@ -60,14 +60,23 @@ (lambda () (setq debug-on-error nil))) -;; ------------------------------ Bug Workarounds ------------------------------ - -;; Disable async native compilation to prevent "Selecting deleted buffer" errors -;; This is a known issue in Emacs 30.x where async compilation buffers get -;; deleted before the compilation process completes. Synchronous compilation -;; is slower initially but avoids these race conditions. -(setq native-comp-deferred-compilation nil) ;; Disable async/deferred compilation -(setq native-comp-async-report-warnings-errors nil) ;; Silence async warnings +;; ------------------------------ Native Compilation --------------------------- + +;; Enable JIT native compilation. Packages are natively compiled on first load +;; (asynchronously, in the background) and cached as .eln for later sessions. +;; This was previously disabled via `(setq native-comp-deferred-compilation +;; nil)' -- the obsolete alias of `native-comp-jit-compilation'. Despite the old +;; comment, setting it nil turns JIT OFF entirely (not "synchronous"), so most +;; modules ran interpreted for the daemon's lifetime and the +;; `native-comp-speed'/jobs settings in system-defaults.el were dead. The old +;; "Selecting deleted buffer" async race that prompted the disable was an Emacs +;; 28/29 issue; this is 30.2. +(setq native-comp-jit-compilation t) + +;; Log async-compile warnings to the *Async-native-compile-log* buffer rather +;; than popping a window. (system-defaults.el also routes `comp' display-warnings +;; to a file via `cj/log-comp-warning'.) +(setq native-comp-async-report-warnings-errors 'silent) ;; ------------------------------- Load Freshness ------------------------------ ;; Prefer newer .el source over stale .elc byte-compiled files. Without this, @@ -99,11 +108,13 @@ local repos." :group 'cj) ;; ---------------------------- Startup Performance ---------------------------- -;; increases garbage collection threshold and turns off file-name-handler -;; during startup and restores the settings once emacs has loaded. +;; Bump the GC threshold and turn off the file-name-handler during startup for +;; speed. The file-name-handler is restored once Emacs has loaded. The GC +;; threshold is deliberately NOT restored here -- `gcmh' (configured in +;; system-defaults.el) owns `gc-cons-threshold' for the rest of the session, +;; keeping it high during activity and collecting on idle. Restoring the stock +;; 800KB here would fight gcmh and bring back frequent GC pauses. -(defvar cj/orig-gc-cons-threshold gc-cons-threshold - "Temporary variable to allow restoration of value post-startup.") (setq gc-cons-threshold most-positive-fixnum) (defvar cj/orig-file-name-handler-alist file-name-handler-alist @@ -112,8 +123,7 @@ local repos." (add-hook 'emacs-startup-hook (lambda () - (setq gc-cons-threshold cj/orig-gc-cons-threshold - file-name-handler-alist cj/orig-file-name-handler-alist))) + (setq file-name-handler-alist cj/orig-file-name-handler-alist))) ;; ------------------------------ Site Start Files ----------------------------- ;; don't load site-start or default.el files |