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Re: [PATCH] add compiled regexp primitive lisp object


From: Eli Zaretskii
Subject: Re: [PATCH] add compiled regexp primitive lisp object
Date: Sun, 22 Dec 2024 21:24:59 +0200

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: Augusto Stoffel <arstoffel@gmail.com>, Helmut Eller
>  <eller.helmut@gmail.com>, Eli Zaretskii <eliz@gnu.org>, Danny McClanahan
>  <dmcc2@hypnicjerk.ai>, pipcet@protonmail.com, emacs-devel@gnu.org,
>  mattiase@acm.org, acorallo@gnu.org, stefankangas@gmail.com
> Date: Sun, 22 Dec 2024 19:14:45 +0000
> 
> See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63225
> TL;DR: Compiling regexps can take a significant fraction of time when
> parsing Org documents.

Which fraction?  That bug has a lot of numbers, but I couldn't find
any numbers for the percentage of time take by re_compile_pattern and
friends.  So I guess your conclusion above was based on indirect
evidence and/or estimations/hunches?



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