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Re: Slow response in GNU Emacs 23.4
From: |
Bruno Félix Rezende Ribeiro |
Subject: |
Re: Slow response in GNU Emacs 23.4 |
Date: |
Tue, 14 Feb 2012 18:51:26 -0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) |
oitofelix@gmail.com (Bruno Félix Rezende Ribeiro) writes:
> oitofelix@gmail.com (Bruno Félix Rezende Ribeiro) writes:
>
>> Hello. I have successful used GNU Emacs 23.2 that comes with Debian
>> Squeeze on my I32 machine. Yesterday I decided to download the latest
>> release from gnu.org, GNU Emacs 23.4. Then I built it with Athena
>> Toolkit and with -O3 gcc flag. Now Emacs works wonderful except by one
>> thing: its response time is very high. It takes a half of second to
>> notice that I press a key. Does anyone know what could be a possible
>> source of this problem?
>>
>
> I discovered the reason behind this problem. In my home, I often use my
> netbook (the machine running GNU Emacs 23.4) connected to a big external
> display by VGA output. Today, I used the LVDS screen and guess you what
> happened? The problem disappeared. This seems consistent with the problem
> only
> showing up under X frames of Emacs. I'm now wondering why it's
> happening only when I connect to the external screen. The only thing I
> could think is the stretch transformation rule that I have configured by
> xrandr as follow:
>
> xrandr --output LVDS1 --mode 1024x600 --auto --output VGA1 --mode 1024x768
> --scale 1x0.78125 --auto
>
> Any idea? It could be a bug in Emacs?
Indeed! It's all "--scale" parameter fault. xrandr's stretch
transformation rule was causing that trouble. Really it isn't a Emacs
bug. I just replaced that call to xrandr with the following:
xrandr --output LVDS1 --off --output VGA1 --mode 1280x1024
Now I'm using a native resolution and disabling the LVDS screen that I
don't need at home. That way, I also won the benefit to improve my
resolution.
It's perfect. My Emacs on a big screen, big resolution, full speed and
full screen (without borders, title bar, scroll bar, menu bar and tool
bar). It isn't the heaven?
--
Bruno Félix Rezende Ribeiro (oitofelix)
Ps: Please, let me know my english errors