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is for Emacs performance-related issues. Use additional tags to indicate which aspects of Emacs the performance issue is about: startup, navigation, search, screen updates, compilation, execution, debugging, and so on.

16 votes

How do I measure performance of elisp code?

The difference is that while benchmark allows to study the performance of a specific bit of code that you instrument, with-timer always gives you the time spent in each instrumented part of the code (without …
François Févotte's user avatar
8 votes

What can I do to speed up my start-up?

Something that recently popped up on emacs reddit: decrease the number of garbage collection invocations by putting this near the beginning of your init file: (setq gc-cons-threshold 50000000) (add- …
François Févotte's user avatar