From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Mark Diekhans Newsgroups: gmane.emacs.bugs Subject: bug#13675: Extremely slow redisplay when lines are very long Date: Thu, 19 Oct 2017 18:45:00 -0700 Message-ID: <23017.21788.768005.940877@eduroam-169-233-201-230.ucsc.edu> References: <83sj545e55.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1508463988 32335 195.159.176.226 (20 Oct 2017 01:46:28 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 20 Oct 2017 01:46:28 +0000 (UTC) To: 13675@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Oct 20 03:46:24 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e5MNy-0005fg-DV for geb-bug-gnu-emacs@m.gmane.org; Fri, 20 Oct 2017 03:46:06 +0200 Original-Received: from localhost ([::1]:51849 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5MO5-0006Rz-SF for geb-bug-gnu-emacs@m.gmane.org; Thu, 19 Oct 2017 21:46:13 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43187) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e5MNz-0006Rs-1u for bug-gnu-emacs@gnu.org; Thu, 19 Oct 2017 21:46:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e5MNv-0005yJ-5I for bug-gnu-emacs@gnu.org; Thu, 19 Oct 2017 21:46:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:42220) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e5MNv-0005xo-0r for bug-gnu-emacs@gnu.org; Thu, 19 Oct 2017 21:46:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1e5MNu-0000ha-8u for bug-gnu-emacs@gnu.org; Thu, 19 Oct 2017 21:46:02 -0400 X-Loop: help-debbugs@gnu.org In-Reply-To: <83sj545e55.fsf@gnu.org> Resent-From: Mark Diekhans Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 20 Oct 2017 01:46:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13675 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13675-submit@debbugs.gnu.org id=B13675.15084639112628 (code B ref 13675); Fri, 20 Oct 2017 01:46:02 +0000 Original-Received: (at 13675) by debbugs.gnu.org; 20 Oct 2017 01:45:11 +0000 Original-Received: from localhost ([127.0.0.1]:50901 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e5MN4-0000gJ-S9 for submit@debbugs.gnu.org; Thu, 19 Oct 2017 21:45:11 -0400 Original-Received: from mail-pf0-f179.google.com ([209.85.192.179]:51766) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e5MN3-0000g7-Ek for 13675@debbugs.gnu.org; Thu, 19 Oct 2017 21:45:09 -0400 Original-Received: by mail-pf0-f179.google.com with SMTP id n14so8674012pfh.8 for <13675@debbugs.gnu.org>; Thu, 19 Oct 2017 18:45:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soe-ucsc-edu.20150623.gappssmtp.com; s=20150623; h=from:mime-version:content-transfer-encoding:message-id:date:to :subject; bh=50XnbAupFbqw6zuJUkR58mNjkSecQt2G+90hGkuw8nM=; b=al1qpc69p5ajXMBj6cMfIE032Rp4GBHYuwOv6T9U4JPRcFoIAdTvUbatOqiv5cSk0g 2cEZDFX4V/wNO/JODXR3tM/8UoWC7Fj3uDfU54VTbTOW1KJBn2fxHbZW9LPXXbf1Sy0J 1cfW+ckSyR/EQoYXadlGHZeswDuMRdxqmAYF39suu5AOf/2ompcWZX7zdCP+mGHU2xhT 5kQrLInVES+cEBLKOli9WepO37Lbmxix9WVb59JekSWGonFjh7VL+0han5nxuiqpwIti iAM2r7E3Bxriir/TUFji171FB7fBrqmLwnEQreUVRTszFOmQOko/YVSGHPxc1bhweOlN ciKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:mime-version:content-transfer-encoding :message-id:date:to:subject; bh=50XnbAupFbqw6zuJUkR58mNjkSecQt2G+90hGkuw8nM=; b=sEseIJwJbj0qaeeGw6bg9UeL/n+MFJGPJIrp+YmCzvw4UlJL81tgaBQB1QXq1ndfsu wZh+nSdpKJkF5PdlV+K0dlllUclXRs/sRpz3FulWtlMIloAP9faIlTHXgtayLLPJgpGy 7HVMcwqD+FcoUwPVQru8EdI/MZVWhK5Qc8Oi6fdXLmX93eDYAFXFETdixlI0ZApu9Pz/ iR7QwN6Vd6MB9VV/9J/yt3dWfZNDz0KtUeScmo7l+DPs5nlUnMiWCrVOVuY9c8JMcRnA bAo2HogOs5SeDuccECUb+qrbfuqx2IGyL/ma2Oy6uhBvc0nMQcnlShgh8fB1mGwMd0v1 hojg== X-Gm-Message-State: AMCzsaW1QawQxMy2BlYz99zmtZMhqnUfORphBf/EmTvasGqM8LjbU8gd JZ0EbDfWM4Mn1MN1UH2Vxv2o7Z5i X-Google-Smtp-Source: ABhQp+Qa8L2jzfI8oZQLBNzRPDF61xhjLYN1JU69mzaE0G94/py0RDXQ+04c5pp8dTy84s79M49OPQ== X-Received: by 10.101.74.4 with SMTP id s4mr2916469pgq.259.1508463902703; Thu, 19 Oct 2017 18:45:02 -0700 (PDT) Original-Received: from localhost (eduroam-169-233-201-230.ucsc.edu. [169.233.201.230]) by smtp.gmail.com with ESMTPSA id h1sm26308948pgf.54.2017.10.19.18.45.01 for <13675@debbugs.gnu.org> (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 19 Oct 2017 18:45:01 -0700 (PDT) X-Mailer: VM 8.2.0b under 25.2.1 (x86_64-apple-darwin16.4.0) 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: 208.118.235.43 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:138738 Archived-At: Is there anyone working on the long-line display speed issue? It is especially bad with font lock mode. SIGUSR2 doesn't help. Twice in the last week I have had to kill emacs because it had been locked up for more than 10 minutes. If the fix is really complex, it would be much better emacs refuse to display the file than force killing it. thanks!!