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

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Message #164 received at 64735 <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: dmitry <at> gutov.dev, Eli Zaretskii <eliz <at> gnu.org>, 64735 <at> debbugs.gnu.org,
 sbaugh <at> janestreet.com
Subject: Re: bug#64735: 29.0.92; find invocations are ~15x slower because of
 ignores
Date: Fri, 21 Jul 2023 15:38:54 +0000

Michael Albinus <michael.albinus <at> gmx.de> writes:

>> Would be interesting to see profiler and perf data for more detailed
>> breakdown where those 30+ seconds where spent in.
>
> I have no SSD. And maybe some of the files are NFS-mounted.

That's why I asked about profile data (on emacs).

> My point was to show the differences in the approaches. Do you have also
> numbers using without-remote-files and inhibit-remote-files?

(length (directory-files-recursively "~/Git" ""))
;; => 113628
(benchmark-run-compiled 1 (directory-files-recursively "~/Git" ""))
;; => (1.597328425 1 0.47237324699997885)
(benchmark-run-compiled 1 (let (file-name-handler-alist) (directory-files-recursively "~/Git" "")))
;; => (1.0012111910000001 1 0.4860752540000135)
(benchmark-run-compiled 1 (without-remote-files (directory-files-recursively "~/Git" "")))
;; => (1.147276594 1 0.48820330999998873)
(inhibit-remote-files)
(benchmark-run-compiled 1 (directory-files-recursively "~/Git" ""))
;; => (1.054041615 1 0.4141427399999884)


-- 
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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