GNU bug report logs - #2530
23/NS: redraws according to mouse-face are slow

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From: Alan J Third <alan <at> idiocy.org>
To: Andrew Hyatt <ahyatt <at> gmail.com>
Cc: 2530 <at> debbugs.gnu.org, Ian Eure <ian <at> digg.com>, David Reitter <david.reitter <at> gmail.com>, Chong Yidong <cyd <at> stupidchicken.com>, Emacs-Devel devel <emacs-devel <at> gnu.org>, Adrian Robert <adrian.b.robert <at> gmail.com>
Subject: bug#2530: 23/NS: redraws according to mouse-face are slow
Date: Thu, 14 Jan 2016 20:34:22 +0000

Andrew Hyatt <ahyatt <at> gmail.com> writes:

> There's a bunch of discussion before, in 2009, but as of now, for Emacs
> 25, I don't notice any particular slowness on El Capitan.  Can anyone
> still reproduce a problem here?
>
> David Reitter <david.reitter <at> gmail.com> writes:
>
>> On May 5, 2009, at 10:13 AM, Chong Yidong wrote:
>>
>>> Could either your or David check in the nsterm.m fix, assuming no other
>>> problems turn up with it?
>>
>> I will test it for a day or two, but check it in soon.
>>
>> I still think there are other places where the same technique would be
>> beneficial, but they would be outside of ns*.m, albeit in #ifdefs.  From the
>> sound of your messages, I take it we'll hold off on that.
>>
>> Getting back to Ian's original point: Overall, if we were to release now, I
>> would consider the NS port "usable", but "experimental" rather than "stable".

David Reitter has a number of open bug reports about redraw slowness on
OS X and I can't replicate any of the ones I've looked at. I don't know
if the display code's been rewritten or something?

-- 
Alan Third

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