From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#45379: 28.0.50; Degraded Performance of describe-buffer-bindings Date: Sun, 07 Mar 2021 10:38:19 +0200 Message-ID: <83ft17tl38.fsf@gnu.org> References: <02f717c6-dc96-4ba0-9117-2ef079ac556f@www.fastmail.com> <83v9a4wve3.fsf@gnu.org> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40432"; mail-complaints-to="usenet@ciao.gmane.io" Cc: stephen.berman@gmx.net, 45379@debbugs.gnu.org, juri@linkov.net, handa@gnu.org, monnier@iro.umontreal.ca, styang@fastmail.com To: Stefan Kangas Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Mar 07 09:39:09 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lIowP-000AQe-Hf for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 07 Mar 2021 09:39:09 +0100 Original-Received: from localhost ([::1]:46168 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lIowO-0007p3-0n for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 07 Mar 2021 03:39:08 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:42174) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lIowI-0007oh-2O for bug-gnu-emacs@gnu.org; Sun, 07 Mar 2021 03:39:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55562) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lIowH-0004jc-QR for bug-gnu-emacs@gnu.org; Sun, 07 Mar 2021 03:39:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lIowH-0004v1-Np for bug-gnu-emacs@gnu.org; Sun, 07 Mar 2021 03:39:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 07 Mar 2021 08:39:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45379 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch confirmed Original-Received: via spool by 45379-submit@debbugs.gnu.org id=B45379.161510632718885 (code B ref 45379); Sun, 07 Mar 2021 08:39:01 +0000 Original-Received: (at 45379) by debbugs.gnu.org; 7 Mar 2021 08:38:47 +0000 Original-Received: from localhost ([127.0.0.1]:38875 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lIovx-0004uR-MT for submit@debbugs.gnu.org; Sun, 07 Mar 2021 03:38:47 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:52520) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lIovu-0004uD-3p for 45379@debbugs.gnu.org; Sun, 07 Mar 2021 03:38:40 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:54542) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lIovl-0004bh-Uh; Sun, 07 Mar 2021 03:38:29 -0500 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:4135 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1lIovl-0003sW-Cm; Sun, 07 Mar 2021 03:38:29 -0500 In-Reply-To: (message from Stefan Kangas on Sun, 7 Mar 2021 03:12:17 -0500) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:201732 Archived-At: > From: Stefan Kangas > Date: Sun, 7 Mar 2021 03:12:17 -0500 > Cc: styang@fastmail.com, juri@linkov.net, rudalics@gmx.at, > 45379@debbugs.gnu.org, monnier@iro.umontreal.ca, stephen.berman@gmx.net > > > So could you please walk us through the proposed changes, adding > > explanations for each part as you go? > > Yes. Please allow for at least a couple of days to write this up. Sure. There's no rush, please take your time. > > (And what do char-tables have to do with describing key bindings, > > btw?) > > Full keymaps are char-tables, while sparse keymaps are just lists. > > The call stack looks like this: > > Fdescribe_buffer_bindings [keymap.c] > -> describe-map-tree [help.el] > -> describe-map > -> Fhelp__describe_vector [keymap.c] > -> describe_vector Got it, thanks.