Re: macOS metal rendering engine in mac port

[Eli Zaretskii]

> Date: Tue, 25 May 2021 14:34:37 +0100
> From: Alan Third <alan@idiocy.org>
> Cc: aaronjensen@gmail.com, emacs-devel@gnu.org
> 
> FWIW, on the Mac I see a slightly smaller performance penalty with
> display-line-numbers-mode, around 18%.

Is that an optimized build or unoptimized?  In my tests with optimized
builds, line numbers add about 10% to 12% to the scroll benchmark.
Unoptimized code shows almost no effect: around 2%.