From 9ee6c651beefeb3ccaeec3896ddf51354531b669 Mon Sep 17 00:00:00 2001
From: magic_rb <magic_rb@redalder.org>
Date: Wed, 24 Jul 2024 21:30:09 +0200
Subject: [PATCH] Move performance optimizations into their own file

Signed-off-by: magic_rb <magic_rb@redalder.org>
---
 emacs-lisp/performance.org                    | 33 +++++++++++++++++++
 .../modules/emacs/.emacs.d/org/base.org       | 24 --------------
 2 files changed, 33 insertions(+), 24 deletions(-)
 create mode 100644 emacs-lisp/performance.org

diff --git a/emacs-lisp/performance.org b/emacs-lisp/performance.org
new file mode 100644
index 0000000..9d31dd7
--- /dev/null
+++ b/emacs-lisp/performance.org
@@ -0,0 +1,33 @@
+:PROPERTIES:
+:header-args:emacs-lisp: :comments link :results none
+:ID:       658bcc84-4814-4b84-a697-f71bf1a54e9c
+:END:
+#+title: Performance
+#+filetags: emacs-load
+Increase the amount of data Emacs reads from a process in one go, default is 4KB, but some LSP servers produce responses up to 24MB.
+
+#+begin_src emacs-lisp
+  (when (boundp 'read-process-output-max)
+    (setq ; process-adaptive-read-buffering nil
+          read-process-output-max (* 24 1024 1024)))
+#+end_src
+
+Increase GC threshold to avoid random freezes on garbage collection.
+
+#+NAME: gc-cons-threshold
+#+BEGIN_SRC emacs-lisp :tangle no
+  (setq gc-cons-threshold (* 1024 1024 256))
+#+END_SRC
+
+Set the minimum delay between LSP refreshes, should help with performance when typing really fast.
+
+#+NAME: lsp-idle-delay
+#+BEGIN_SRC emacs-lisp :tangle no
+  (setq lsp-idle-delay 0.250)
+#+END_SRC
+
+Skip fontification on input, mostly helps with scrolling when Emacs cannot keep up withe fontification.
+
+#+begin_src emacs-lisp
+  (setq redisplay-skip-fontification-on-input t)
+#+end_src
diff --git a/home-manager/modules/emacs/.emacs.d/org/base.org b/home-manager/modules/emacs/.emacs.d/org/base.org
index ebaf4db..c4e4e39 100644
--- a/home-manager/modules/emacs/.emacs.d/org/base.org
+++ b/home-manager/modules/emacs/.emacs.d/org/base.org
@@ -87,20 +87,6 @@ Enable ~envrc~, which changes ENVs on a per buffer basis.
 
 ** lsp-mode
 
-Increase GC threshold to avoid random freezes on garbage collection.
-
-#+NAME: gc-cons-threshold
-#+BEGIN_SRC emacs-lisp :tangle no
-  (setq gc-cons-threshold 100000000)
-#+END_SRC
-
-Increase the amount of data Emacs reads from a process in one go, default is 4KB, but some LSP servers produce responses up to 3MB.
-
-#+NAME: read-process-output-max
-#+BEGIN_SRC emacs-lisp :tangle no
-  (setq read-process-output-max (* (* 1024 1024) 3))
-#+END_SRC
-
 Switch completion provider to =capf=, even though it should be the default, but just to make sure it. =company-lsp=
 is what =lsp-mode= switched away from.
 
@@ -109,13 +95,6 @@ is what =lsp-mode= switched away from.
   (setq lsp-completion-provider :capf)
 #+END_SRC
 
-Set the minimum delay between LSP refreshes, should help with performance when typing really fast.
-
-#+NAME: lsp-idle-delay
-#+BEGIN_SRC emacs-lisp :tangle no
-  (setq lsp-idle-delay 0.500) ;; adjust me
-#+END_SRC
-
 Setup rustic to prefer ~rust-analyzer~ instead of ~rls~ and also don't format on save, it's really annoying.
 
 #+NAME: lsp-rustic
@@ -147,10 +126,7 @@ Finally enable ~lsp-mode~.
     <<lsp-rustic>>
     ;; <<lsp-rust-analyzer>>
 
-    <<gc-cons-threshold>>
-    <<read-process-output-max>>
     <<lsp-completion-provider>>
-    ;; <<lsp-idle-delay>>
     <<lsp-typescript-tramp>>
     <<lsp-scala-tramp>>)
 #+END_SRC