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Re: Why is Elisp slow?


From: Marcin Borkowski
Subject: Re: Why is Elisp slow?
Date: Thu, 02 May 2019 21:13:28 +0200
User-agent: mu4e 1.1.0; emacs 27.0.50

On 2019-05-02, at 17:34, Eli Zaretskii <address@hidden> wrote:

>> 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.

Well, I don't consider it a bug in Orgmode - rather a bug in my workflow
(and I more or less know how to fix that, only it will take me some
time).

> (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.)

That is an interesting POV, although I'm not sure if I agree.  IOW,
I fully understand why people might do so.  I, for one, consider myself
pretty fluent in Elisp and hardly literate in C.

Best,

-- 
Marcin Borkowski
http://mbork.pl



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