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From: Eli Zaretskii <eliz@gnu.org>
To: Chong Yidong <cyd@stupidchicken.com>
Cc: acm@muc.de, david@harpegolden.net, lennart.borgman@gmail.com,
	monnier@iro.umontreal.ca, emacs-devel@gnu.org
Subject: Re: Emacs 23.0 is much slower starting than Emacs 22.3
Date: Fri, 24 Oct 2008 18:48:35 +0200	[thread overview]
Message-ID: <uprlqx7ks.fsf@gnu.org> (raw)
In-Reply-To: <87prlqezad.fsf@cyd.mit.edu>

> From: Chong Yidong <cyd@stupidchicken.com>
> Cc: "Eli Zaretskii" <eliz@gnu.org>,  acm@muc.de,  emacs-devel@gnu.org,  monnier@iro.umontreal.ca,  david@harpegolden.net
> Date: Fri, 24 Oct 2008 12:24:58 -0400
> 
> "Lennart Borgman" <lennart.borgman@gmail.com> writes:
> 
> > The system calls (file-attributes, file-exists-p and file-modes) takes
> > nearly twice as long time in Emacs 23 (on w32). For normal-mode the
> > factor is even bigger, 3-4 times longer time.
> 
> Could you try testing file-attributes, file-exists-p and file-modes in
> isolation, to see which one of the three are slower (or is it all
> three)?

They all call `stat', so on Windows they all are similarly expensive.

It is on my todo to request a cheap version of `stat' in almost every
function that calls `stat' except file-attributes and a couple of
others, which _really_ need the whole attribute set.




  reply	other threads:[~2008-10-24 16:48 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-22  9:11 Emacs 23.0 is much slower starting than Emacs 22.3 Alan Mackenzie
2008-10-22 13:23 ` Stefan Monnier
2008-10-22 13:55   ` John covici
2008-10-22 15:14   ` Alan Mackenzie
2008-10-22 16:46     ` David De La Harpe Golden
2008-10-22 21:12       ` Alan Mackenzie
2008-10-22 21:19         ` Eli Zaretskii
2008-10-23  9:21           ` Alan Mackenzie
2008-10-23 21:53             ` Eli Zaretskii
2008-10-23  6:53         ` David De La Harpe Golden
2008-10-23  9:09           ` Alan Mackenzie
2008-10-23 16:57             ` David De La Harpe Golden
2008-10-23 21:52               ` Eli Zaretskii
2008-10-23 22:33                 ` Lennart Borgman
2008-10-24  9:26                   ` Eli Zaretskii
2008-10-23 22:47                 ` David De La Harpe Golden
2008-10-23 23:12                   ` Lennart Borgman
2008-10-23 23:54                     ` Lennart Borgman
2008-10-24  9:51                       ` Eli Zaretskii
2008-10-24 13:58                         ` David De La Harpe Golden
2008-10-24 15:44                         ` Lennart Borgman
2008-10-24 16:24                           ` Chong Yidong
2008-10-24 16:48                             ` Eli Zaretskii [this message]
2008-10-24 16:45                           ` David De La Harpe Golden
2008-10-24 16:53                             ` Eli Zaretskii
2008-10-25  2:01                             ` Richard M. Stallman
2008-10-25  3:38                               ` David De La Harpe Golden
2008-10-24  0:13                     ` David De La Harpe Golden
2008-10-24  0:59                       ` Lennart Borgman
2008-10-24  1:58                         ` David De La Harpe Golden
2008-10-24  1:44                       ` David De La Harpe Golden
2008-10-24  9:57                         ` Eli Zaretskii
2008-10-24 15:00                           ` David De La Harpe Golden
2008-10-24 11:21                         ` Alan Mackenzie
2008-10-24 14:32                           ` David De La Harpe Golden
2008-10-24 19:28                             ` Alan Mackenzie
2008-10-24 19:35                               ` David De La Harpe Golden
2008-10-24  4:13                       ` Stefan Monnier
2008-10-24 15:19                         ` David De La Harpe Golden
2008-10-24 18:42                           ` Stefan Monnier
2008-10-24 19:36                             ` David De La Harpe Golden
2008-10-24 23:44                             ` David De La Harpe Golden
2008-10-25 15:19                               ` Stefan Monnier
2008-10-25 17:02                                 ` David De La Harpe Golden
2008-10-24  9:52                       ` Eli Zaretskii
2008-10-24  9:35                     ` Eli Zaretskii
2008-10-24  9:30                   ` Eli Zaretskii
2008-10-23  1:29       ` Miles Bader
2008-10-23  9:06         ` Alan Mackenzie
2008-10-22 18:26 ` Eli Zaretskii
2008-10-22 21:40   ` Alan Mackenzie
2008-10-22 22:09     ` Eli Zaretskii
2008-10-22 21:02 ` Richard M. Stallman
2008-10-24 11:59   ` Emacs 23.0 is much slower than Emacs 22.3. Maybe it's the garbage collector Alan Mackenzie

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