GNU bug report logs - #64735
29.0.92; find invocations are ~15x slower because of ignores

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: dmitry <at> gutov.dev, 64735 <at> debbugs.gnu.org, sbaugh <at> janestreet.com
Subject: bug#64735: 29.0.92; find invocations are ~15x slower because of ignores
Date: Thu, 20 Jul 2023 19:45:38 +0300

> From: Ihor Radchenko <yantar92 <at> posteo.net>
> Cc: dmitry <at> gutov.dev, sbaugh <at> janestreet.com, 64735 <at> debbugs.gnu.org
> Date: Thu, 20 Jul 2023 16:36:28 +0000
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Maybe it can be improved, but not to the same level as Find, because
> > consing Lisp strings, something that Find doesn't do, does have its
> > overhead.
> 
> I am not sure if this specific issue is important.
> If we want to use find from Emacs, we would need to create Emacs
> string/strings when reading the output of find anyway.

So how do you explain that using Find is faster than using
find-lisp.el?

I think the answer is that using Find as a subprocess conses less.

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