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Re: Why is Elisp slow?

From: Eli Zaretskii
Subject: Re: Why is Elisp slow?
Date: Thu, 02 May 2019 18:34:11 +0300

> Date: Thu, 2 May 2019 15:18:27 +0200
> From: address@hidden
> Cc: address@hidden
> > ...well, Org-mode agenda takes almost 30 seconds to generate for me...
> Perhaps this is more a case for fine tuning Org mode's algorithms &
> data structures? (I don't use agenda, so I don't really know what
> I'm talking about. Perhaps all of this is already done?)

It's certainly a reason to report this to the Org developers, and ask
them to speed this up.

(My personal rant to package authors is that they are way too eager to
implement stuff in Lisp which cannot possibly be fast enough or
scalable enough, instead of urging Emacs to provide new C primitives
and core features, or, better, submitting patches to implement such
features in C.  Two cases in point are linum-mode and fci-mode.  End
of rant.)

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