GNU bug report logs - #8957
Slow file saves (7 seconds)

Previous Next

To add a comment to this bug, you must first unarchive it, by sending
a message to control AT debbugs.gnu.org, with unarchive 8957 in the body.
You can then email your comments to 8957 AT debbugs.gnu.org in the normal way.

Toggle the display of automated, internal messages from the tracker.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jon Doyle <Jon_Doyle <at> ncsu.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: Slow file saves (7 seconds)
Date: Wed, 29 Jun 2011 13:08:21 -0400

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

In a fresh installation of Emacs on a new Windows 7 machine, saving
files after editing takes a very long time.  For example, saving a 300KB
Latex source takes about 7 seconds pretty repeatedly.  The disk is
running, so there is no spinup time.  Editing the same file on my old,
slower Windows 7 machine (same speed disk, same init files, but probably
version 23.1 or 23.2) took less than a second, never long enough to
notice.  I saw some mentions of version control slowdowns, but I'm not
using such to my knowledge, and setting the switches mentioned in those
posts made no difference.   I did not see anything in the emacs bug list.

Thanks for any help you can offer on this.

Jon Doyle


In GNU Emacs 23.3.1 (i386-mingw-nt6.1.7601)
 of 2011-03-10 on 3249CTO
Windowing system distributor `Microsoft Corp.', version 6.1.7601
configured using `configure --with-gcc (4.5) --no-opt --cflags
-Ic:/imagesupport/include'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  value of $XMODIFIERS: nil
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: LaTeX

Minor modes in effect:
  display-battery-mode: t
  display-time-mode: t
  tooltip-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-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
C-v C-v C-l C-n C-k C-k <help-echo> C-k C-k C-n C-k
C-k C-x C-s C-x C-b C-n C-p SPC C-x C-f <backspace>
<backspace> p / d e <backspace> <backspace> w i c k
<tab> i n f <tab> <return> C-u C-n C-u C-n C-u C-n
C-n C-n C-n C-n C-n e C-s s y m m e t r i z i n g C-p
C-p C-b C-b C-b SPC f o r SPC s o m e SPC $ \ a g e
n t ' ' SPC \ i n SPC \ A g e n t s $ M-q C-x C-s M-x
v e r s i o n <return> M-x r e p o r t SPC e m a c
s SPC b u g <return>

Recent messages:
Loading c:/Program Files
(x86)/emacs/site-lisp/auctex/style/amsmath.elc...done
Loading c:/Program Files
(x86)/emacs/site-lisp/auctex/style/amstext.elc...done
Loading c:/Program Files
(x86)/emacs/site-lisp/auctex/style/amsbsy.elc...done
Loading c:/Program Files
(x86)/emacs/site-lisp/auctex/style/amsopn.elc...done
Loading c:/Program Files
(x86)/emacs/site-lisp/auctex/style/article.elc...done
Applying style hooks... done
Mark saved where search started
Saving file d:/now/p/wicker/influence/influence_models.tex...
Wrote d:/now/p/wicker/influence/influence_models.tex
GNU Emacs 23.3.1 (i386-mingw-nt6.1.7601) of 2011-03-10 on 3249CTO

Load-path shadows:
d:/Admin/Configuration/emacs/ispell hides c:/Program Files
(x86)/emacs/lisp/textmodes/ispell

Features:
(shadow sort mail-extr message ecomplete rfc822 mml mml-sec
password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231
rfc2047 rfc2045 qp ietf-drums nnheader gnus-util netrc time-date mm-util
mail-prsvr gmm-utils wid-edit mailheader canlock sha1 hex-util hashcash
mail-utils emacsbug texmathp multi-isearch preview prv-emacs byte-opt
warnings tex-buf noutline outline font-latex bytecomp byte-compile latex
easy-mmode tex-style tex advice help-fns advice-preload easymenu
latexenc dired regexp-opt ebuff-menu electric battery cus-start cus-load
edmacro kmacro ispell ediff-merg ediff-diff ediff-wind ediff-help
ediff-util ediff-mult ediff-init ediff mailabbrev time preview-latex
tex-site auto-loads tooltip ediff-hook vc-hooks lisp-float-type mwheel
dos-w32 disp-table ls-lisp w32-win w32-vars tool-bar dnd fontset image
fringe lisp-mode register page menu-bar rfn-eshadow timer select
scroll-bar mldrag mouse jit-lock font-lock syntax facemenu font-core
frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai
tai-viet lao korean japanese hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help
simple abbrev loaddefs button minibuffer faces cus-face files
text-properties overlay md5 base64 format env code-pages mule custom
widget hashtable-print-readable backquote make-network-process multi-tty
emacs)

[Message part 2 (text/html, inline)]

Message #8 received at 8957 <at> debbugs.gnu.org (full text, mbox):

From: Jon Doyle <Jon_Doyle <at> ncsu.edu>
To: 8957 <at> debbugs.gnu.org
Subject: Problem was not Emacs
Date: Fri, 8 Jul 2011 11:01:07 -0400

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

I have discovered that the slow save problem I described was due to AucTeX
reparsing my
files every time I saved them.  For a long document, this took a lot of
time.  When I turn
off the TeX-auto-save flag in AucTeX, saves are immediate again.

Sorry for the misanalyzed complaint.

Jon Doyle

[Message part 2 (text/html, inline)]

Message #13 received at 8957-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Jon Doyle <Jon_Doyle <at> ncsu.edu>
Cc: 8957-done <at> debbugs.gnu.org
Subject: Re: bug#8957: Problem was not Emacs
Date: Fri, 08 Jul 2011 12:13:28 -0400

> I have discovered that the slow save problem I described was due to
> AucTeX reparsing my files every time I saved them.  For a long
> document, this took a lot of time.  When I turn off the TeX-auto-save
> flag in AucTeX, saves are immediate again.

Thanks, case closed here.

> Sorry for the misanalyzed complaint.

No problem,


        Stefan

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.