Re: bug-reference-prog-mode slows down CC Mode's scrolling by ~7%

[Eli Zaretskii]

> 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.