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bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "


From: Georges Ko
Subject: bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters
Date: Sat, 08 Oct 2016 16:20:33 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (cygwin) Hamster/2.0.0.1

Eli Zaretskii <address@hidden> writes:

>> > So Symbola and Courier New don't cause slowdown, while MingLiu does?
>
> What about this question?

WAVY LOW LINE in MingLiu does cause slow down if the default font is
Courier New (emacs -Q), but not if it is MingLiu.

> As I said elsewhere, patches to make the offending code opt-out under
> control of a Lisp variable are welcome.  If you rebuild with the
> compact_font_caches function (in alloc.c) disabled, i.e. make its body
> empty, does the problem go away for you?

I'll try and see what happens.
-- 
 Georges Ko                     address@hidden                      2016-10-08






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