From: Phil Sainty <psainty@orcon.net.nz>
To: Ergus <spacibba@aol.com>
Cc: emacs-devel@gnu.org
Subject: Re: Performance issue in project.el
Date: Tue, 29 Jun 2021 00:14:57 +1200 [thread overview]
Message-ID: <bed0ad1e4a42cb19c9843dad0ef40b89@webmail.orcon.net.nz> (raw)
In-Reply-To: <20210628114247.tecbjwareetquj6h@Ergus>
On 2021-06-28 23:42, Ergus wrote:
> After reading the function vc-responsible-backend I can see that it
> uses
> a mapcar to test the responsible; so all of them are always tested in
> every single call every time.
It didn't in Emacs 27, but see bug #42966 and commit 2697123933e3
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=42966
commit 2697123933e3ac7ed4e21a6d12746a98ed7fa74a
Author: Lars Ingebrigtsen <larsi@gnus.org>
Date: Mon Oct 26 21:10:36 2020 +0100
Make vc-responsible-backend choose the most specific backend
* lisp/vc/vc.el (vc-responsible-backend): Search through all the
VC backends instead of the first one, and choose the one that's
most specific (bug#42966).
next prev parent reply other threads:[~2021-06-28 12:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210627212123.xciejcjxrv2rxsra.ref@Ergus>
2021-06-27 21:21 ` Performance issue in project.el Ergus
2021-06-28 11:42 ` Ergus
2021-06-28 12:14 ` Phil Sainty [this message]
2021-06-28 12:44 ` Ergus
2021-06-28 14:10 ` Stefan Monnier
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