[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "
From: |
Eli Zaretskii |
Subject: |
bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters |
Date: |
Sat, 08 Oct 2016 09:21:14 +0300 |
> From: Georges Ko <gko@gko.net>
> Date: Sat, 08 Oct 2016 10:59:06 +0800
>
> > So Symbola and Courier New don't cause slowdown, while MingLiu does?
What about this question?
> > Do you have some custom fontset setup, or does Emacs use MingLiu for
> > the WAVY LOW LINE by default, in "emacs -Q"?
>
> Emacs uses MingLiu in "emacs -Q" on my system.
>
> In "Initial setup" I just do "emacs -Q" and insert these characters and
> see the fonts used to display ASCII characters (1st line), WAVY LINE
> (2nd line) and WAVY LOW LINE (3rd character), which are:
>
> - ASCII -O-Courier New-NNN-mono-13-*-*-*-c-*-iso8859-1
> - WAVY LINE -O-Symbola-NNN-serif-13-*-*-*-p-*-iso8859-1
> - WAVY LOW LINE -O-MingLiU-NNN-mono-13-*-*-*-c-*-iso10646-1
>
> and WAVY LINE (Symbola) is OK (no slowdown) and
> WAVY LOW LINE (MingLiu) is NOK (slowdown).
>
> After switching to "MingLiu-10" with (set-frame-font "MingLiu-10),
> everything is smooth and using all use MingLiu-10 (2nd row of table):
>
> - ASCII, WAVY LINE -O-MingLiU-NNN-mono-13-*-*-*-c-*-iso8859-1
> - WAVY LOW LINE -O-MingLiU-NNN-mono-13-*-*-*-c-*-gb2312.1980-0
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?
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Georges Ko, 2016/10/07
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Nikolay Kudryavtsev, 2016/10/07
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Eli Zaretskii, 2016/10/07
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Georges Ko, 2016/10/07
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Eli Zaretskii, 2016/10/07
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Georges Ko, 2016/10/07
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters,
Eli Zaretskii <=
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Georges Ko, 2016/10/08
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Georges Ko, 2016/10/08
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Eli Zaretskii, 2016/10/08
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Georges Ko, 2016/10/08
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Eli Zaretskii, 2016/10/08
- bug#24634: 25.1 on Windows (native and cygwin+w32): high CPU load with "wavy" characters, Georges Ko, 2016/10/10