Re: Some NS port changes

[Robert Pluim]

Alan Third <address@hidden> writes:

> On Thu, Feb 14, 2019 at 10:08:30AM +0100, Robert Pluim wrote:
>> Robert Pluim <address@hidden> writes:
>> 
>> > Alan Third <address@hidden> writes:
>> >
>> >> Please try the attached. I don’t think the performance is terribly
>> >> good. I was caching the graphics context as recreating it appears to
>> >> be an expensive operation, but it looks like Mojave doesn’t like that.
>> >
>> > That works better. Iʼll keep running with it for a while.
>> 
>> Youʼre right about the performance: moving point in a buffer is
>> glacial, as is auto-repeat.
>
> I was talking more about scrolling a complex file in a fullscreen
> window. Is it always slow or is it only in certain circumstances?

Scrolling my main org file (which is displayed using a mix of
fixed-width and variable-width faces) with 'scroll-up-command' is
noticeably slower with your patch compared to stock emacs-26

Itʼs always slower, as far as I can tell, almost to the point of
unusability for me.

Robert