From: Alan Mackenzie <acm@muc.de>
To: Chong Yidong <cyd@gnu.org>
Cc: Helmut Eller <eller.helmut@gmail.com>, 10652@debbugs.gnu.org
Subject: bug#10652: 24.0.93; font-lock very slow for C++
Date: Fri, 2 Mar 2012 22:27:47 +0000 [thread overview]
Message-ID: <20120302222747.GA25732__24210.6617232368$1330727431$gmane$org@acm.acm> (raw)
In-Reply-To: <874nuekjte.fsf@gnu.org>
Hello Yidong, hello Helmut.
On Sun, Feb 26, 2012 at 05:47:25PM +0800, Chong Yidong wrote:
> Helmut Eller <eller.helmut@gmail.com> writes:
> > Font lock is extremely slow in this file:
> > http://hg.openjdk.java.net/jdk7/jdk7/hotspot/raw-file/b92c45f2bc75/src/share/vm/runtime/globals.hpp
> > Download the file and open it with emacs -Q globals.hpp. Then
> > scroll around in the file to see how slow it is.
> I got Emacs into an uninterruptible loop while scrolling through the
> buffer :-(
> Looks like a regression against Emacs 23's CC mode, which handles the
> file just fine. Alan, could you investigate? Thanks.
I've just committed a collection of optimisations as revision #107485. I
can now scroll through the huge macro in that file quite quickly.
However, typing in the buffer is still suboptimal. I don't know how much
I'll be able to do to sort this out.
--
Alan Mackenzie (Nuremberg, Germany).
next prev parent reply other threads:[~2012-03-02 22:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 11:15 bug#10652: 24.0.93; font-lock very slow for C++ Helmut Eller
2012-02-26 9:47 ` Chong Yidong
2012-03-01 19:36 ` Alan Mackenzie
2012-03-02 22:27 ` Alan Mackenzie [this message]
2012-03-16 14:19 ` Alan Mackenzie
2012-03-14 9:45 ` bug#10652: " Toon Claes
2012-03-16 10:18 ` bug#10652: Recursive loop in alloc.c [ Was: font-lock very slow for C++ ] Alan Mackenzie
[not found] ` <20120316101838.GB3439@acm.acm>
2012-03-16 10:34 ` Andreas Schwab
2012-03-16 14:24 ` bug#10652: 24.0.93; font-lock very slow for C++ Alan Mackenzie
2012-03-28 7:07 ` bug#10652: " Toon Claes
2012-03-29 9:35 ` Alan Mackenzie
2012-03-29 19:46 ` Toon Claes
2012-03-29 22:00 ` Alan Mackenzie
2012-04-02 7:48 ` Toon Claes
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