Performance problems with emacs-X11 in current cygwin.

Ken Jackson cygwin@jackson.io
Fri May 25 14:35:00 GMT 2012


==== Thu, May 24, 2012 at 08:51AM -0400 Ken Brown wrote:
> On 5/24/2012 8:32 AM, Berglund Magnus (SE) wrote:
> >After an cygwin-upgrade this morning I'm experiencing performance
> >problems with emacs-X11 (23.4.2). The performance problem seem to be
> >graphics related. Window redraw is really slow, it can take up to a
> >couple of seconds to redraw the emacs window. Scrolling the cursor up
> >or down in emacs is also painfully slow. Some other X programs I've
> >tried does not seem to be affected. xemacs works just fine.
> >
> 
> I've noticed the same thing on my XP system but not on Windows 7.
> There have been similar reports from two other users, but they
> didn't say what version of Windows they were using:
> 
>   http://cygwin.com/ml/cygwin/2012-05/msg00287.html
> 
> I'm afraid I don't have a clue what could be causing this or why it
> apparently only occurs on XP.

Mine was the reply to that message, and yes, I'm running WindowsXP,
emacs-23.4-2 and emacs-X11-23.4-2.

$uname -a
CYGWIN_NT-5.1 xxxxxxxxx 1.7.15(0.260/5/3) 2012-05-09 10:25 i686 Cygwin

The main problem I'm seeing is that if I hold down any key, the repeat
feature works, but I don't see the results until I release the key.

-Ken Jackson

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