GNU bug report logs - #42966
28.0.50; vc-dir: wrong backend

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Package: emacs;

Reported by: sds <at> gnu.org

Date: Fri, 21 Aug 2020 15:16:02 UTC

Severity: minor

Tags: fixed

Merged with 3807, 8179, 8603, 18514

Found in versions 23.3.50, 24.0.50, 24.3, 28.0.50

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: Sam Steingold <sds <at> gnu.org>, 42966 <at> debbugs.gnu.org
Subject: bug#42966: 28.0.50; vc-dir: wrong backend
Date: Sat, 17 Oct 2020 09:02:26 +0200

[Message part 1 (text/plain, inline)]
Dmitry Gutov <dgutov <at> yandex.ru> writes:

> Let's measure it anyway, because the potential impact is big (an extra
> delay when opening any file).

Sure.  I've set up a directory structure with a hg repo inside a git
repo (tar file included as an attachment).

Here's the benchmarks on a local machine and a remote machine with the
current code:

(benchmark-run 1000
  (vc-responsible-backend "/tmp/git-dir/dir1/dir2/hg-dir/bar"))
(0.47081299800000004 10 0.07627535899999999)

(benchmark-run 100
  (vc-responsible-backend "/ssh:stories:/tmp/git-dir/dir1/dir2/hg-dir/bar"))
(2.8259669379999997 99 0.912024865)

Benchmarking for the rewritten code to follow, once I've rewritten it.  :-)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

[vc-test.tgz (application/x-gtar-compressed, attachment)]
This bug report was last modified 4 years and 203 days ago.

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