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

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: sbaugh <at> janestreet.com, rms <at> gnu.org, sbaugh <at> catern.com, dmitry <at> gutov.dev, michael.albinus <at> gmx.de, 64735 <at> debbugs.gnu.org
Subject: bug#64735: 29.0.92; find invocations are ~15x slower because of ignores
Date: Sun, 23 Jul 2023 11:06:25 +0300

> From: Ihor Radchenko <yantar92 <at> posteo.net>
> Cc: Eli Zaretskii <eliz <at> gnu.org>, sbaugh <at> catern.com, rms <at> gnu.org,
>  dmitry <at> gutov.dev, michael.albinus <at> gmx.de, 64735 <at> debbugs.gnu.org
> Date: Sun, 23 Jul 2023 07:48:45 +0000
> 
> (my-bench 10 "/usr/src/linux/" "")
> 
> (("built-in" . "Elapsed time: 7.134589s (3.609741s in 10 GCs)")
>  ("built-in no handlers" . "Elapsed time: 6.041666s (3.856730s in 11 GCs)")
>  ("with-find" . "Elapsed time: 6.300330s (4.248508s in 12 GCs)"))

Is this in "emacs -Q"?  Why so much time taken by GC?  It indicates
that temporarily raising the GC thresholds could speed up things by a
factor of 2 or 3.

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