GNU bug report logs - #12127
24.1.50; ispell slow under Emacs.app

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Pat Rondon <prondon <at> cs.ucsd.edu>
Subject: bug#12127: closed (Re: bug#12127: 24.1.50; ispell slow under
 Emacs.app)
Date: Sun, 10 Feb 2013 01:38:05 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#12127: 24.1.50; ispell slow under Emacs.app

which was filed against the emacs,ns package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 12127 <at> debbugs.gnu.org.

-- 
12127: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12127
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Glenn Morris <rgm <at> gnu.org>
To: 12127-done <at> debbugs.gnu.org
Subject: Re: bug#12127: 24.1.50; ispell slow under Emacs.app
Date: Sat, 09 Feb 2013 20:37:11 -0500

Version: 24.3

Pat Rondon wrote:

> Apologies for the very long delay. It does in fact seem to be fixed.
[...]
> On Sun, Oct 14, 2012 at 2:40 PM, Jan Djärv <jan.h.d <at> swipnet.se> wrote:
[...]
>> The NS-port does not use polling anymore.  Can you test if the current
>> approach seems like an improvement?

[Message part 3 (message/rfc822, inline)]

From: Pat Rondon <prondon <at> cs.ucsd.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.1.50; ispell slow under Emacs.app
Date: Thu, 02 Aug 2012 16:18:25 -0700

Run "open Emacs.app --args -Q"
Open a large file
M-x ispell-buffer
The spell checking process will take a very long time.

This problem seems to have to do with the long polling interval (.1
second) used in ns_select in src/nsterm.m. Setting the polling interval
to a shorter period helps a lot:

*** old.nsterm.m	2012-08-02 16:04:22.000000000 -0700
--- nsterm.m	2012-08-02 16:01:52.000000000 -0700
*************** ns_select (int nfds, fd_set *readfds, fd
*** 3545,3551 ****
                                                           retain];
  
    /* set a periodic task to try the pselect () again */
!   fd_entry = [[NSTimer scheduledTimerWithTimeInterval: 0.1
                                                 target: NSApp
                                               selector: @selector (fd_handler:)
                                               userInfo: 0
--- 3545,3551 ----
                                                           retain];
  
    /* set a periodic task to try the pselect () again */
!   fd_entry = [[NSTimer scheduledTimerWithTimeInterval: 0.001
                                                 target: NSApp
                                               selector: @selector (fd_handler:)
                                               userInfo: 0

Corresponding ChangeLog entry:

2012-08-02  Pat Rondon  <prondon <at> cs.ucsd.edu>

        * nsterm.m (ns_select): Shorten ns_select polling interval.


In GNU Emacs 24.1.50.2 (x86_64-apple-darwin11.4.0, NS apple-appkit-1138.47)
 of 2012-08-02 on manzanita
Bzr revision: 109405 eggert <at> cs.ucla.edu-20120802205949-ej38mo43ymsf8nb3
Windowing system distributor `Apple', version 10.3.1138
Configured using:
 `configure '--prefix=/Users/pmr/' '--with-ns''

Important settings:
  value of $LC_CTYPE: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x r e p o <tab> r t - e m <tab> <return>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Making completion list...

Load-path shadows:
None found.

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mail-prsvr mail-utils help-mode easymenu time-date tooltip ediff-hook
vc-hooks lisp-float-type mwheel ns-win tool-bar dnd fontset image
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