[debbugs-tracker] bug#24634: closed (25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters)

[GNU bug Tracking System]

Your message dated Sat, 08 Oct 2016 22:34:14 +0300
with message-id <address@hidden>
and subject line Re: bug#24634: 25.1 on Windows (native and cygwin+w32): high 
CPU load with "wavy" characters
has caused the debbugs.gnu.org bug report #24634,
regarding 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" 
characters
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
24634: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24634
GNU Bug Tracking System
Contact address@hidden with problems
> --- Begin Message ---
>
>
>
> Subject: 
>
> 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters
>
>
>
>
> Date: 
>
> Fri, 07 Oct 2016 12:59:14 +0800
>
>
>
>
> User-agent: 
>
> Gnus/5.13 (Gnus v5.13) Emacs/25.1 (windows-nt) Hamster/2.0.0.1
>
>
>
>
> When moving in lines with characters such as WAVY LOW LINE or WAVY LINE:
>
>   - Emacs freezes for a while (noticeable) for a fraction of a second or
>     even longer,
>
>   - The CPU load of Emacs increases as well (up to 25% on my Windows 7
>     machine) in the meantime.
>
> Text sample below:
>
>
> ﹏
>
>
>
> ⌇
>
>
>
>
> This happens to the "native" as well as the Cygwin-compiled (--with-w32)
> versions, but not with the gtk3 version (--with-x-toolkit=gtk3).
> -- 
>  Georges Ko                     address@hidden                      2016-10-07
>
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters
>
>
>
>
> Date: 
>
> Sat, 08 Oct 2016 22:34:14 +0300
>
>
>
>
> > From: Georges Ko <address@hidden>
> > Date: Sat, 08 Oct 2016 23:24:24 +0800
> > 
> > > static void
> > > compact_font_caches (void)
> > > {
> > >   struct terminal *t;
> > >
> > >   for (t = terminal_list; t; t = t->next_terminal)
> > >     {
> > >       Lisp_Object cache = TERMINAL_FONT_CACHE (t);
> > >       mark_object (cache);
> > >     }
> > > }
> > 
> > OK, this version fixes all cases!
>
> OK, I've now added a variable which you can set to non-nil to disable
> font cache compaction.  See the latest emacs-25 branch.
>
> Thanks.
>
>
> --- End Message ---