GNU bug report logs - #40384
26.3; [Windows10] variable-pitch-mode is slow to redraw

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Message #14 received at 40384 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: gennady.uraltsev <at> gmail.com
Cc: 40384 <at> debbugs.gnu.org
Subject: Re: bug#40384: 26.3; [Windows10] variable-pitch-mode is slow to redraw
Date: Fri, 03 Apr 2020 10:04:03 +0300

> From: <gennady.uraltsev <at> gmail.com>
> Cc: <40384 <at> debbugs.gnu.org>
> Date: Thu, 2 Apr 2020 18:29:07 -0400
> 
> By default the font that gets used is
> 
>           display: by this font (glyph code)
>  
> uniscribe:-outline-Arial-normal-normal-normal-sans-20-*-*-*-p-*-iso8859-1
> (#x03)

That's the same font I get, but I see no slowdown.

Thanks for the profile, it says that somehow redrawing even ASCII
characters (if you indeed did that with the comment in *scratch*
copied many times, as your recipe says) is somehow very expensive on
your system.

Does it help to customize inhibit-compacting-font-caches to non-nil?

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