Re: macOS metal rendering engine in mac port

[Aaron Jensen]

On Sun, May 23, 2021 at 11:49 AM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: Aaron Jensen <aaronjensen@gmail.com>
> > Date: Sun, 23 May 2021 11:38:22 -0700
> > Cc: Alan Third <alan@idiocy.org>, emacs-devel@gnu.org,
> >       YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
> >
> > > Is this in "emacs -Q"?  And which file and in what major mode did you
> > > scroll through?
> >
> > No, it was in my config. In emacs -Q the difference isn't as stark and
> > it's quite a bit faster which has me wondering what the heck in my
> > config could slow things down that much.
> >
> > line numbers: 1.54s
> > no line numbers: 1.37s
>
> Still too much.  What mode of display-line-numbers do you use? is it
> the default or something else?

Default, just M-x display-line-numbers

> > The file is a private ruby file that's copy pasted enough times to
> > make it 11k lines long. I was using enh-ruby-mode with my config but
> > regular ruby-mode doesn't make any difference.
>
> Try with xdisp.c, that's what I was using.

Sure, in emacs -Q:

No line numbers: 4.27s
Line numbers: 5.78s