Split Emacs configuration in modules

emacs/.emacs.d/lisp/core/performance.el

@@ -0,0 +1,22 @@
+;;; core-performance.el -*-
+
+;; --- Startup speed tweaks ----------------------------------------------------
+;; Temporarily increase GC threshold during init
+(defvar fscotto/gc-cons-threshold-orig gc-cons-threshold)
+(setq gc-cons-threshold (* 50 1000 1000)) ;; 50MB for init
+
+;; Speedup file-name-handler during init
+(defvar fscotto/file-name-handler-alist-orig file-name-handler-alist)
+(setq file-name-handler-alist nil)
+
+;; Restore after init
+(add-hook 'emacs-startup-hook
+          (lambda ()
+            (setq gc-cons-threshold fscotto/gc-cons-threshold-orig)
+            (setq file-name-handler-alist fscotto/file-name-handler-alist-orig)
+            (garbage-collect)))
+
+;; LSP responsiveness
+(setq read-process-output-max (* 1024 1024)) ;; 1MB, utile per lsp-mode
+(setq lsp-idle-delay 0.5) ;; meno ritardo prima che LSP aggiorni info
+(setq inhibit-compacting-font-caches t)