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

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Message #233 received at 64735 <at> debbugs.gnu.org (full text, mbox):

From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Spencer Baugh <sbaugh <at> janestreet.com>, yantar92 <at> posteo.net,
 64735 <at> debbugs.gnu.org, dmitry <at> gutov.dev
Subject: Re: bug#64735: 29.0.92; find invocations are ~15x slower because of
 ignores
Date: Sat, 22 Jul 2023 14:35:13 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

>> Cc: Dmitry Gutov <dmitry <at> gutov.dev>, 64735 <at> debbugs.gnu.org
>> From: Spencer Baugh <sbaugh <at> janestreet.com>
>> Date: Thu, 20 Jul 2023 13:08:24 -0400
>> 
>> (Really it's entirely plausible that Emacs could be improved by
>> *removing* directory-files-recursively, in favor of invoking find as a
>> subprocess: faster, parallelized execution, and better remote support.)
>
> No, there's no reason to remove anything that useful from Emacs.  If
> this or that API is not the optimal choice for some job, it is easy
> enough not to use it.

Indeed.

I would like to add that subprocesses remain unimplemented on MS-DOS,
and the way find is currently invoked from project.el and rgrep makes
both packages lose on Unix, indicating that correct portable use of find
is decidedly non-trivial.

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