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

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Message #176 received at 64735 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Ihor Radchenko <yantar92 <at> posteo.net>
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 17:49:14 +0200

Ihor Radchenko <yantar92 <at> posteo.net> writes:

Hi Ihor,

>> 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)

Thanks a lot! These figures show, that both without-remote-files and
inhibit-remote-files are useful. Of course this shouldn't stop us to
find further approaches for performance optimizations.

I'll wait for some days whether there's opposition, before installing
them in master.

Best regards, Michael.

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