From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Mark Karpov Newsgroups: gmane.emacs.bugs Subject: bug#21453: 25.0.50; When font size is temporarily increased Emacs is slow Date: Thu, 10 Sep 2015 23:33:38 +0600 Message-ID: <87zj0udvrh.fsf@openmailbox.org> References: <87wpvymwbl.fsf@openmailbox.org> <838u8e5lju.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1441907105 25384 80.91.229.3 (10 Sep 2015 17:45:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 10 Sep 2015 17:45:05 +0000 (UTC) Cc: 21453@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Sep 10 19:44:53 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Za5tm-0000uh-Oo for geb-bug-gnu-emacs@m.gmane.org; Thu, 10 Sep 2015 19:44:38 +0200 Original-Received: from localhost ([::1]:50766 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Za5tl-0007GC-Pl for geb-bug-gnu-emacs@m.gmane.org; Thu, 10 Sep 2015 13:44:37 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39264) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Za5pP-0003vw-3e for bug-gnu-emacs@gnu.org; Thu, 10 Sep 2015 13:40:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Za5pL-0004bE-Rm for bug-gnu-emacs@gnu.org; Thu, 10 Sep 2015 13:40:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:35082) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Za5pL-0004at-Oq for bug-gnu-emacs@gnu.org; Thu, 10 Sep 2015 13:40:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Za5pL-0002oR-79 for bug-gnu-emacs@gnu.org; Thu, 10 Sep 2015 13:40:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Mark Karpov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 10 Sep 2015 17:40:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 21453 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 21453-submit@debbugs.gnu.org id=B21453.144190678310778 (code B ref 21453); Thu, 10 Sep 2015 17:40:03 +0000 Original-Received: (at 21453) by debbugs.gnu.org; 10 Sep 2015 17:39:43 +0000 Original-Received: from localhost ([127.0.0.1]:55525 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Za5p1-0002nm-3y for submit@debbugs.gnu.org; Thu, 10 Sep 2015 13:39:43 -0400 Original-Received: from mail2.openmailbox.org ([62.4.1.33]:57624) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Za5oy-0002nd-P8 for 21453@debbugs.gnu.org; Thu, 10 Sep 2015 13:39:41 -0400 Original-Received: by mail2.openmailbox.org (Postfix, from userid 1004) id 81B2D2AC1A55; Thu, 10 Sep 2015 19:39:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=openmailbox.org; s=openmailbox; t=1441906779; bh=8lHUrIYFw7qW8zKKpfrZ6ykajVr6XieHwa+vvg1lVHM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=wX3XVqHXAq0aaZGQfyCIlKpm0eyhFumicOXivwK8ZNHaCa2QGQb4xISNAPtkbhN+Y 4VxbDJ/UCsvvnJ2X02dSO3ByzIiI0ZzUUwoQcGG2nLgUm+D3JvgL1wOUr0aZ/OYlt7 oDNrK9CufOMwIfgfDCa9nwI6XWV16bpMIJ9j2MBM= DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=openmailbox.org; s=openmailbox; t=1441906769; bh=8lHUrIYFw7qW8zKKpfrZ6ykajVr6XieHwa+vvg1lVHM=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=qjTMshwT0ABntv5oJFqI9RzQfJGuXH655MiU61dCitGTfnXKrltSUiA4Y2JqJUSQF olnCJJHTH7PmCmpEt3lAAdV+tsPeten4Y9yxKOR0Oq+SgS3DXj+W/KEPAIkGmY0ijz LUl1IFpsbK3mlULNmBRz/miivUPDHA4U3hp10yjE= In-Reply-To: <838u8e5lju.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 10 Sep 2015 18:41:25 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:106376 Archived-At: Eli Zaretskii writes: > seems to indicate that you have customized scrolling, because by > default Emacs does not scroll just one line. Perhaps you have > scroll-conservatively set to a large value; if so, I'd indeed expect > some slowdown when the font size is changed, because supporting > scroll-conservatively is sometimes costly, especially when the last > displayed line is only partially visible. I indeed have some customization of scrolling, but it's not =E2=80=98scroll-conservatively=E2=80=99, its value is 0. I can reproduce it with =E2=80=98emacs -Q=E2=80=99, although my Emacs build= is a bit older then current master. I'll try with master.