From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#37652: 26.3; performance drops massively when on some elisp manual pages Date: Tue, 08 Oct 2019 11:13:48 +0300 Message-ID: <83y2xvy7r7.fsf@gnu.org> References: Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="248511"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 37652@debbugs.gnu.org To: Chris Hecker Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Oct 08 10:14:27 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iHkdW-0012Vp-Nl for geb-bug-gnu-emacs@m.gmane.org; Tue, 08 Oct 2019 10:14:26 +0200 Original-Received: from localhost ([::1]:51856 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHkdV-0003EP-D1 for geb-bug-gnu-emacs@m.gmane.org; Tue, 08 Oct 2019 04:14:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53597) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHkd9-0003EG-S4 for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 04:14:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHkd8-0002JH-S4 for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 04:14:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:40596) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iHkd8-0002JB-OU for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 04:14:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iHkd8-0000qW-Fb for bug-gnu-emacs@gnu.org; Tue, 08 Oct 2019 04:14:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 08 Oct 2019 08:14:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37652 X-GNU-PR-Package: emacs Original-Received: via spool by 37652-submit@debbugs.gnu.org id=B37652.15705224393236 (code B ref 37652); Tue, 08 Oct 2019 08:14:02 +0000 Original-Received: (at 37652) by debbugs.gnu.org; 8 Oct 2019 08:13:59 +0000 Original-Received: from localhost ([127.0.0.1]:49417 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHkd4-0000q8-Rg for submit@debbugs.gnu.org; Tue, 08 Oct 2019 04:13:59 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:44518) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iHkd3-0000pv-4W for 37652@debbugs.gnu.org; Tue, 08 Oct 2019 04:13:58 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:37642) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iHkcx-0002Fu-Ul; Tue, 08 Oct 2019 04:13:52 -0400 Original-Received: from [176.228.60.248] (port=4732 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iHkcx-00036d-58; Tue, 08 Oct 2019 04:13:51 -0400 In-reply-to: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:168605 Archived-At: > From: "Chris Hecker" > Date: Tue, 08 Oct 2019 00:48:21 +0000 > > 1. start emacs -Q for 26.3 > 2. hit C-h i to get to the info directory > 3. m elisp > 4. m buffer contents > 5. page around in the file for a few seconds, emacs starts crawling and > using an entire cpu Does it help to set inhibit-compacting-font-caches to a non-nil value? If so, this problem is already solved in the development code.