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

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Message #173 received at 64735 <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Dmitry Gutov <dmitry <at> gutov.dev>
Cc: sbaugh <at> janestreet.com, Eli Zaretskii <eliz <at> gnu.org>, 64735 <at> debbugs.gnu.org
Subject: Re: bug#64735: 29.0.92; find invocations are ~15x slower because of
 ignores
Date: Fri, 21 Jul 2023 15:48:52 +0000

Dmitry Gutov <dmitry <at> gutov.dev> writes:

>> Locally, AFAIU, running `find-lisp-find-files' without
>> `file-name-handler-alist' is equivalent to running GNU find.
>> (That was a reply to Eli's message that we cannot disable
>> `file-name-handler-alist')
>
> But it's slower! At least 2x, even with file handlers disabled. 
> According to your own measurements, with a modern SSD (not to mention 
> all of our users with spinning media).

Yes, but (1) there is room for optimization; (2) I have a hope that we
can implement better "ignores" when using `find-lisp-find-files', thus
eventually outperforming GNU find (when used with large number of
ignores).

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

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