Re: macOS graphics performance

[Daniel Martín]

Alan Third <alan@idiocy.org> writes:

>
> Because of the asynchronous copying I've had to use more buffers (at
> least two), and so there is a copy added back in to make sure they're
> all kept up to date. But it's still noticeably faster when there are a
> lot of large updates, for example in scrolling.

Yes, I notice a much smoother scrolling performance.

> So, basically, anything that involves drawing to the screen should,
> hopefully, be faster. Probably the biggest difference will be for
> people with large frames on hi-res screens scrolling around large
> buffers.

I've tested scrolling and moving the point in a buffer with xdisp.c and
display performance feels much better.  The setup I used is several
vertical frames on a retina display (no external monitor yet).