bug#64735: 29.0.92; find invocations are ~15x slower because of ignores

[Spencer Baugh]

Eli Zaretskii <eliz@gnu.org> writes:
>> From: Michael Albinus <michael.albinus@gmx.de>
>> Cc: yantar92@posteo.net,  dmitry@gutov.dev,  64735@debbugs.gnu.org,
>>   sbaugh@janestreet.com
>> Date: Fri, 21 Jul 2023 19:55:22 +0200
>> 
>> I'm open for any proposal in solving the performance problems. But since
>> I'm living in the file name handler world for many years, I might not be
>> the best source for new ideas.
>
> The first idea that comes to mind is to reimplement
> directory-files-recursively in C, modeled on how Find does that.

If someone was thinking of doing that, they would be better off
responding to RMS's earlier request for C programmers to optimize this
behavior in find.

Since, after all, if we do it that way it will benefit remote files as
well.