GNU bug report logs - #15876
24.3.50; Highly degraded performance between rev 114715 and 115006

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Package: emacs;

Reported by: "Sebastien Vauban" <sva-news <at> mygooglest.com>

Date: Tue, 12 Nov 2013 15:34:02 UTC

Severity: normal

Merged with 24565, 24918

Found in versions 24.3.50, 25.1

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #59 received at 15876 <at> debbugs.gnu.org (full text, mbox):

From: "Sebastien Vauban" <sva-news <at> mygooglest.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 15876 <at> debbugs.gnu.org
Subject: Re: bug#15876: 24.3.50;
 Highly degraded performance between rev 114715 and 115006
Date: Wed, 20 Nov 2013 09:48:48 +0100

Stefan Monnier wrote:
>> --8<---------------cut here---------------start------------->8---
>> ;; highlight trailing whitespaces in all modes
>> (setq-default show-trailing-whitespace t)
>> --8<---------------cut here---------------end--------------->8---
>
> Can you try to compare the performance of revision 114849 and
> revision 114848?  The difference between the two is that the region
> highlighting was moved from C to Elisp.  This usually shouldn't affect
> performance, but maybe there's some interaction with redisplay
> that ends up disabling most optimizations?

I can compare such versions, if I can find the Windows binaries somewhere. I
don't have the ability to construct it by myself -- yet.

Best regards,
  Seb

-- 
Sebastien Vauban
This bug report was last modified 8 years and 168 days ago.

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