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

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From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Eli Zaretskii <eliz <at> gnu.org>
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 08:16:05 +0000

Eli Zaretskii <eliz <at> gnu.org> writes:

>> (("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.

With emacs -Q, the results are similar in terms of absolute time spent
doing GC:

(("built-in" . "Elapsed time: 5.706795s (3.332933s in 304 GCs)")
 ("built-in no handlers" . "Elapsed time: 4.535871s (3.161111s in 301 GCs)")
 ("with-find" . "Elapsed time: 4.829426s (3.333890s in 274 GCs)"))

-- 
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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