this post was submitted on 22 Aug 2025
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Emacs

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Even stock/vanilla Emacs is too slow (leminal.space)
submitted 4 months ago by tetrislife@leminal.space to c/emacs@lemmy.ml
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I "live in Emacs", like most of us (atleast at work). It has been getting slower release on release, async support doesn't seem to have been picked up by most packages and native-comp has made it more brittle.

Over this time, we moved from running the OS on hardware to running in VMs, so fractional slowdown was expected. But what I have is a few X slower Emacs. I had never seen Emacs take a minute to indent a few thousand lines, for example. Maybe some modes have slower code.

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[–] tetrislife@leminal.space 2 points 4 months ago

I don't configure at all, Emacs is quite capable out of the box. But you are right that I should try with -Q. I tried and found things like, terminal versus GUI doesn't make a difference, and disabling font-lock-mode makes it almost twice as fast (but I wouldn't use Emacs that way).