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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: macOS metal rendering engine in mac port
Date: Mon, 24 May 2021 22:27:48 +0300
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Cc: mituharu@math.s.chiba-u.ac.jp, emacs-devel@gnu.org
To: aaronjensen@gmail.com, alan@idiocy.org
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In-Reply-To: <83mtskc4zl.fsf@gnu.org> (message from Eli Zaretskii on Mon, 24
 May 2021 22:21:34 +0300)
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> Date: Mon, 24 May 2021 22:21:34 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: alan@idiocy.org, mituharu@math.s.chiba-u.ac.jp, emacs-devel@gnu.org
> 
> > emacs -Q
> > No highlights: 5.47s (slower likely because i'm on master now instead
> > of Alan's branch)
> > With highlights: 9.4s
> > 
> > So yes, a similar slowdown for me.
> 
> So the mystery remains...

What about "emacs -Q -nw": do you see a similar slowdown when you turn
on line numbers?