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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: bug-reference-prog-mode slows down CC Mode's scrolling by ~7%
Date: Sat, 04 Sep 2021 19:15:08 +0300
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Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org
To: Alan Mackenzie <acm@muc.de>
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In-Reply-To: <YTOZWPfv8DCYRRnd@ACM> (message from Alan Mackenzie on Sat, 4 Sep
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> Date: Sat, 4 Sep 2021 16:05:44 +0000
> Cc: monnier@iro.umontreal.ca, emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> My previous timings were on a Linux console tty.  Moving to X, and
> starting Emacs with emacs --no-desktop, I get 34 Lines and 80 columns.
> With my new propose jit-lock code I get the following timings with these
> jit-lock-chunk-sizes:
> 
> (500): 24.5s
> (2000): 18.0s
> (8000): 16.4s
> 
> ..  So it would seem, at least in CC Mode, a larger jit-lock-chunk-size is
> advantageous on a default size GUI Emacs, too.

Yes, I guess we should increase the default.

Thanks.