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#36183: 26.1; prettify-symbols-mode high CPU usage in Windows 10 Date: Sat, 15 Jun 2019 11:34:59 +0300 Message-ID: <83h88rw8jw.fsf@gnu.org> References: Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="68209"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 36183@debbugs.gnu.org To: Eduardo Duenez , Tassilo Horn Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jun 15 10:36:15 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 1hc4AZ-000HaX-Kz for geb-bug-gnu-emacs@m.gmane.org; Sat, 15 Jun 2019 10:36:15 +0200 Original-Received: from localhost ([::1]:59356 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hc4AX-0005tw-Su for geb-bug-gnu-emacs@m.gmane.org; Sat, 15 Jun 2019 04:36:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:53324) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hc4AS-0005tq-FP for bug-gnu-emacs@gnu.org; Sat, 15 Jun 2019 04:36:09 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hc4AQ-0004f9-68 for bug-gnu-emacs@gnu.org; Sat, 15 Jun 2019 04:36:08 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:52996) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hc4AL-0004Yr-Uo for bug-gnu-emacs@gnu.org; Sat, 15 Jun 2019 04:36:06 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hc4AL-0004Nu-QT for bug-gnu-emacs@gnu.org; Sat, 15 Jun 2019 04:36:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 15 Jun 2019 08:36:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 36183 X-GNU-PR-Package: emacs Original-Received: via spool by 36183-submit@debbugs.gnu.org id=B36183.156058770716786 (code B ref 36183); Sat, 15 Jun 2019 08:36:01 +0000 Original-Received: (at 36183) by debbugs.gnu.org; 15 Jun 2019 08:35:07 +0000 Original-Received: from localhost ([127.0.0.1]:38307 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hc49R-0004Me-Ki for submit@debbugs.gnu.org; Sat, 15 Jun 2019 04:35:07 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:44478) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hc49Q-0004M5-8T for 36183@debbugs.gnu.org; Sat, 15 Jun 2019 04:35:04 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:33538) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hc49I-0003WG-RG; Sat, 15 Jun 2019 04:34:58 -0400 Original-Received: from [176.228.60.248] (port=4440 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1hc49F-0000Sb-3I; Sat, 15 Jun 2019 04:34:53 -0400 In-reply-to: (message from Eduardo Duenez on Wed, 12 Jun 2019 17:52:23 +0000) 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:160600 Archived-At: > From: Eduardo Duenez > Date: Wed, 12 Jun 2019 17:52:23 +0000 > > "M-x prettify-symbols-mode" on a .tex buffer (AUCTeX major mode) > correctly prettifies symbols (Greek letters, math symbols, etc.) > However, any subsequent editing of the buffer becomes de facto > impossible because starting to type, moving, etc., results on 100% > usage of the CPU core emacs is running on for 1-3 seconds. If I > switch to another buffer or disable prettify-symbols-mode, CPU usage > eventually drops down to a typical 2%-4% during regular editing. Can you please send a sample file where you see this behavior? Also, do you need to use AUCTeX for this to happen, or does it happen even without AUCTeX, by just visiting a .tex file and activating the prettify-symbols-mode? Thanks.