unofficial mirror of bug-gnu-emacs@gnu.org 
 help / color / mirror / code / Atom feed
From: Eli Zaretskii <eliz@gnu.org>
To: Kenichi Handa <handa@gnu.org>
Cc: styang@fastmail.com, 45379@debbugs.gnu.org, stefan@marxist.se,
	juri@linkov.net, handa@gnu.org, monnier@iro.umontreal.ca,
	stephen.berman@gmx.net
Subject: bug#45379: 28.0.50; Degraded Performance of describe-buffer-bindings
Date: Tue, 30 Mar 2021 10:01:19 +0300	[thread overview]
Message-ID: <838s65ktvk.fsf@gnu.org> (raw)
In-Reply-To: <83r1krtrpt.fsf@gnu.org> (message from Eli Zaretskii on Sun, 07 Mar 2021 08:15:10 +0200)

Ping!  Kenichi, could you please help us with this issue?

> Date: Sun, 07 Mar 2021 08:15:10 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: stephen.berman@gmx.net, 45379@debbugs.gnu.org, stefan@marxist.se,
>  juri@linkov.net, handa@gnu.org, monnier@iro.umontreal.ca, styang@fastmail.com
> 
> > From: handa <handa@gnu.org>
> > Cc: stefan@marxist.se, styang@fastmail.com, juri@linkov.net, rudalics@gmx.at,
> > 	45379@debbugs.gnu.org, monnier@iro.umontreal.ca,
> > 	stephen.berman@gmx.net, handa@gnu.org
> > Date: Sun, 07 Mar 2021 10:42:39 +0900
> > 
> > In article <83v9a4wve3.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:
> > 
> > > > From: Stefan Kangas <stefan@marxist.se>
> > > > Date: Fri, 5 Mar 2021 20:44:33 -0800
> > > > Cc: Juri Linkov <juri@linkov.net>, martin rudalics <rudalics@gmx.at>, Eli Zaretskii <eliz@gnu.org>, 
> > > > 	45379@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>, 
> > > > 	Stephen Berman <stephen.berman@gmx.net>
> > > > 
> > > > It turns out that we were doing unnecessary looping due to the above
> > > > mentioned commit.
> > 
> > Could you show me what is "the above mentioned commit"?
> 
> This one, I guess:
> 
> > commit a6490343366f2b2331a91dcb693effb3a9dd78f5
> > Author:     Stefan Kangas <stefan@marxist.se>
> > AuthorDate: Fri Nov 13 15:28:29 2020 +0100
> > Commit:     Stefan Kangas <stefan@marxist.se>
> > CommitDate: Sun Nov 22 02:45:03 2020 +0100
> > 
> >     Don't show key ranges if shadowed by different commands
> > 
> >     * src/keymap.c (describe_vector): Make sure found consecutive keys
> >     are either not shadowed or, if they are, that they are shadowed by
> >     the same command.  (Bug#9293)
> >     * test/src/keymap-tests.el
> >     (help--describe-vector/bug-9293-one-shadowed-in-range): New test.
> 
> > > >  While working on this, I also found that we can get
> > > > rid of an unnecessary call to char_table_ref_and_range, which should
> > > > make this function run even faster.
> > 
> > Is the patch for the above improvement the one included in the file
> > 0001-Fix-describe-buffer-bindings-performance-regression.patch?
> 
> Yes, it is.
> 
> > > > I'm also copying in Kenichi Handa, who was the last to touch this code.
> > > > Handa-san, please let us know if you have any comments on this patch.
> > > > Thanks in advance.
> > 
> > > AFAICT, you didn't CC Kenichi; I have now added him to the discussion.
> > 
> > It was more than 10 years ago that I last read keymap.c, and since then,
> > the code has been changed a lot.  It will take some time to understand
> > the latest code.
> 
> Thanks in advance.





  reply	other threads:[~2021-03-30  7:01 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-23  6:01 bug#45379: 28.0.50; Degraded Performance of describe-buffer-bindings styang
2021-01-08 16:47 ` Sheng Yang
2021-01-08 17:00   ` Stefan Kangas
2021-01-08 17:08   ` Stefan Kangas
2021-02-04 15:43     ` Sheng Yang
2021-03-06  4:44     ` Stefan Kangas
2021-03-06  8:15       ` Eli Zaretskii
2021-03-07  1:42         ` handa
2021-03-07  6:15           ` Eli Zaretskii
2021-03-30  7:01             ` Eli Zaretskii [this message]
2021-04-01 15:06               ` handa
2021-04-14  3:06                 ` Sheng Yang
2021-03-07  8:12         ` Stefan Kangas
2021-03-07  8:38           ` Eli Zaretskii
2021-05-04 23:31       ` Stefan Kangas
2021-05-06 10:11         ` Eli Zaretskii
2021-05-13 10:10         ` Eli Zaretskii
2021-06-26 21:51           ` Sheng Yang
2021-06-27  5:56             ` Eli Zaretskii
2021-09-07 18:53           ` Eli Zaretskii
2021-09-18 10:37             ` Eli Zaretskii
2021-09-18 12:34               ` Stefan Kangas
2021-09-18 13:24                 ` Eli Zaretskii
2021-09-18 14:39                   ` Stefan Kangas

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=838s65ktvk.fsf@gnu.org \
    --to=eliz@gnu.org \
    --cc=45379@debbugs.gnu.org \
    --cc=handa@gnu.org \
    --cc=juri@linkov.net \
    --cc=monnier@iro.umontreal.ca \
    --cc=stefan@marxist.se \
    --cc=stephen.berman@gmx.net \
    --cc=styang@fastmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).