From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stephen Berman Newsgroups: gmane.emacs.bugs Subject: bug#23457: 24.5; interactive use of next-line and previous-line (holding down C-n or C-p) lag in a buffer with all spaces and newlines Date: Fri, 06 May 2016 11:13:46 +0200 Message-ID: <874mab8s6t.fsf@gmx.net> References: <8637pwubct.fsf@NOTE-REPLACE.i-did-not-set--mail-host-address--so-tickle-me> <83wpn8h4tj.fsf@gnu.org> <83h9ecgvca.fsf@gnu.org> <83futwgtti.fsf@gnu.org> <8360urhdna.fsf@gnu.org> <87h9ebr50n.fsf@petton.fr> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1462526083 31631 80.91.229.3 (6 May 2016 09:14:43 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 6 May 2016 09:14:43 +0000 (UTC) Cc: Nicolas Petton , 23457@debbugs.gnu.org To: James McClain Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri May 06 11:14:31 2016 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 1aybqA-0004T5-Lw for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 May 2016 11:14:30 +0200 Original-Received: from localhost ([::1]:57194 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aybq6-0003HM-Ny for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 May 2016 05:14:26 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55907) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aybpy-000322-0u for bug-gnu-emacs@gnu.org; Fri, 06 May 2016 05:14:24 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aybpm-00049q-6Y for bug-gnu-emacs@gnu.org; Fri, 06 May 2016 05:14:12 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:57020) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aybpm-00048d-2F for bug-gnu-emacs@gnu.org; Fri, 06 May 2016 05:14:06 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1aybpi-0007in-GP for bug-gnu-emacs@gnu.org; Fri, 06 May 2016 05:14:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stephen Berman Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 06 May 2016 09:14:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23457 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 23457-submit@debbugs.gnu.org id=B23457.146252604029666 (code B ref 23457); Fri, 06 May 2016 09:14:02 +0000 Original-Received: (at 23457) by debbugs.gnu.org; 6 May 2016 09:14:00 +0000 Original-Received: from localhost ([127.0.0.1]:41124 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1aybpf-0007iP-Pv for submit@debbugs.gnu.org; Fri, 06 May 2016 05:13:59 -0400 Original-Received: from mout.gmx.net ([212.227.17.22]:56721) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1aybpd-0007iB-E9 for 23457@debbugs.gnu.org; Fri, 06 May 2016 05:13:57 -0400 Original-Received: from rosalinde ([89.245.95.79]) by mail.gmx.com (mrgmx103) with ESMTPSA (Nemesis) id 0MGip3-1auT6r0V73-00DVhb; Fri, 06 May 2016 11:13:48 +0200 In-Reply-To: (James McClain's message of "Fri, 6 May 2016 01:43:55 -0700") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.93 (gnu/linux) X-Provags-ID: V03:K0:yI7S9RsgkCWQrTVW4o/2zEUwJz4GBTssxX21EzmDy48tg6r2Mc0 XJ9muW5gtKAku0vzQRIMLnBRnSde4WoZl3DRQvys7rZCaWLJPqTVdvVkvAI2eMMJmdSvoMO iU9/G3gdoyjhQSFDf6Uwkg67WrLCwp7dnFUpqiVNhbd8BDc8XRQCXH9wjGFDeOEiPxn38zE yPYPbLmz7gh0ZEwonZCbA== X-UI-Out-Filterresults: notjunk:1;V01:K0:q06yPbi7Ia0=:Hs4hbIbe0sRSsfWbPHOLmQ Mp2Yo+7IA1o+/d+BSNQcBiG+Tpw9xq33/92HAieilAefLV83uPyftvS74U9JvD+fpGNgtihsT MfKwYI8dYJZ5wI1yOsr5bFXEGUHurvnFEWOzGFl2vzuxqpoLrx7O3uc+UOKstzXHCHLT5Ilbb 2e47XXcrrVvc5NXTwsrisejWeJAMw57dPy1fUg/3yHE/gZz1wnItNfFThBzxf4KYx4obUkhPP FlAOr9CbNxkBcSaaDMslJRwQc8ZXScBxO6Z+QEDb0o74iGPI8qug8eQCuaZSXTbRHpyq2MT5D 6Ew/8DlnahuRiNZRrl4v5bXAGagmCCg6f4VhBt5Lox/PDX17Tx4PlgHjjcFHMBBNV/367qfAT WGaYhOEMiBOGQG94nRaRCw2LM74ln63c/q16UMOnzRbEhuKHndcNb1yhPNySp/ay794E1XB3P donSlCuTQoXSa2qk8bdN706oR99T6AAK4AZjJkD33aU8c7fe8n/WnlCOpLdu2fE3blOhihDjh LPTsh0FUDDIZIzV/4doguD6MYB0Jdmp5JpdRz6AA8FDxFgP/WTrNOBghar5a1k9nWDdSCL3q0 MVZ4uwW2y8dH7QDxCNNfWscuEB/wWlKttDrpQ+sF9hUxZkL7hEnvciM+lTXDfXd+u5cUVmOhp xgInZVlVMny/Zn/LEqx6NDdqD0xqfI4H0QP2A1jd4KjSoITlMLLSh72tgKx5xbuSnxBvNx/KM bGUpWgYyaE5noMAzUT6LrzG/VEMfq85O1FAWFDpkOSrkAPQZN+79kNV46zcYEcFtXgOXfQyj 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:117896 Archived-At: On Fri, 6 May 2016 01:43:55 -0700 James McClain wrote: > Here is another take on the recipe, hopefully I can clear up any confusion. > This is without resizing the window, so window-body-width should be 80. > 1. .\emacs-25.0.93.exe -Q > 2. C-x b test-2 > 3. > 4. C-u 80 > 5. C-j > 6. > 7. C-u 120 > 8. You should now be at the bottom of the buffer and at the first column, > but it doesn't hurt to hit M-> and C-a, so do that. > 9. Now try moving up to the top of the buffer with C-p > > I experience lag doing this [...] I can reproduce this with the above recipe. At step 9 I held down C-p for five seconds; after about 1 second point moved up one line (from 122 to 121), then Emacs froze for about 45 seconds, after which point jumped to bob. Here's my build: In GNU Emacs 25.0.93.3 (x86_64-suse-linux-gnu, GTK+ Version 3.14.15) of 2016-05-04 built on rosalinde Repository revision: adc80b7e238e09b1b8c392ecf902d2b978d9016d Windowing system distributor 'The X.Org Foundation', version 11.0.11601000 System Description: openSUSE 13.2 (Harlequin) (x86_64) Configured using: 'configure --with-xwidgets 'CFLAGS=-Og -g3'' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XWIDGETS Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix And here's /proc/cpuinfo: processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 95 model name : AMD Sempron(tm) Processor 3400+ stepping : 2 cpu MHz : 1000.000 cache size : 256 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow rep_good nopl extd_apicid pni cx16 lahf_lm extapic cr8_legacy bogomips : 2010.12 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp tm stc Steve Berman