From: Alan Mackenzie <acm@muc.de>
To: Miles Bader <miles@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: c++-mode dreadfully slow?
Date: Thu, 23 Oct 2008 13:41:23 +0000 [thread overview]
Message-ID: <20081023134123.GA1860@muc.de> (raw)
In-Reply-To: <buoy70fv8zr.fsf@dhapc248.dev.necel.com>
Hi, Miles!
On Thu, Oct 23, 2008 at 08:36:24PM +0900, Miles Bader wrote:
> Has anyone noticed c++-mode being really slow recently? Recently I've
> noticed that sometimes even just scrolling to a new screen can take on
> the order of 5 seconds in some C++ files.
Lets assume emacs -Q and cc-*.el have been properly compiled.
By "scrolling to a new screen", do you mean <PageUp> or <PageDown> to an
adjacent screen? Presumably, it's not so bad the second time you scroll
into the same bit of buffer.
> [The file I'm looking at currently is a "medium-sized" source file, ~3K
> lines, and uses no particularly weird constructs (for instance, no
> templates), and has no long functions.]
That's slower than it should be. Is it any slower than an old version?
Say, that in Emacs 22.1 or 22.2?
> -Miles
--
Alan Mackenzie (Nuremberg, Germany).
prev parent reply other threads:[~2008-10-23 13:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-23 11:36 c++-mode dreadfully slow? Miles Bader
2008-10-23 13:41 ` Alan Mackenzie [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20081023134123.GA1860@muc.de \
--to=acm@muc.de \
--cc=emacs-devel@gnu.org \
--cc=miles@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).