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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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[–] chonkyninja@lemmy.world 0 points 4 months ago (2 children)

My emacs is fast as fuck and I don’t even have native comp enabled. 300ish packages installed, with a very deep configuration. Fully loads in 0.8 seconds, never freezes.

Sounds like someone didn’t read the docs.

[–] tetrislife@leminal.space 3 points 4 months ago

What hardware/VM and OS are you running on? What kind of development do you do in Emacs?

And, are you normalizing having to read the docs to have, for example, indent-region not be too slow?

I agree native-comp shouldn't be necessary, since Emacs wasn't this slow until maybe Emacs 25 and they keep improving the Elisp interpreter. And we probably can't expect the speed from before the CPU vulnerability mitigations and from running on hardware from any software running in VMs nowadays.

What I see is much worse than that.

[–] jerkface@lemmy.ca 2 points 3 months ago

Instead of being a dick, how about quoting the relevant portion of the manual that makes your setup fast as fuck.