From: Eli Zaretskii <eliz@gnu.org>
To: David De La Harpe Golden <david@harpegolden.net>
Cc: acm@muc.de, 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 18:53:38 +0200 [thread overview]
Message-ID: <umygux7cd.fsf@gnu.org> (raw)
In-Reply-To: <4901FB95.8080703@harpegolden.net>
> Date: Fri, 24 Oct 2008 17:45:09 +0100
> From: David De La Harpe Golden <david@harpegolden.net>
> CC: Eli Zaretskii <eliz@gnu.org>, acm@muc.de, monnier@iro.umontreal.ca,
> emacs-devel@gnu.org
>
> The file attributes are a w32-specific problem I guess
On Posix systems, `stat' (called by file-attributes) is a system call,
so it obviously doesn't depend on the Emacs versions. By contrast, on
Windows we emulate `stat' with several quite expensive system calls.
Thus, it is meaningless to compare GNU/Linux and Windows as far as
file-attributes is concerned.
> (a) about 40x faster than your w32 emacs23 and (b) similar between
> emacs22/23 (actually slightly faster with 23 in the test runs, but that
> could just be the GC and general noise).
Yes, none of these primitives is the hot spot.
next prev parent reply other threads:[~2008-10-24 16:53 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
2008-10-24 16:45 ` David De La Harpe Golden
2008-10-24 16:53 ` Eli Zaretskii [this message]
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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