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[Bug 803943] Re: compiz consuming a lot of cpu

To: compiz@xxxxxxxxxxxxxxxxxxx
From: James Tunnicliffe <launchpad@xxxxxxxxxxxxx>
Date: Tue, 20 Dec 2011 13:52:03 -0000
Reply-to: Bug 803943 <803943@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

My discovery of the day: PyCharm (java) being open and not minimized
triggers compiz to use 15 - 25% of a CPU on my system. Without it I idle
at 1 - 2% use by compiz.

I am using the nvidia binary drivers and have disabled refresh rate
detection (detects 50Hz, which is wrong, even with DynamicTwinView
disabled) and manually set the refresh rate to 60Hz. This helped things
run more smoothly. I also have turned on KDE compatibility.

I have the Java Window Fix and Java Taskbar Fix ticked (default).
Disabling these fixes doesn't help. I am using Sun Java 1.6.0_26, 64
bit.

Lenovo T410 with an NVS 3100M (256MB RAM), running Nvidia driver version
290.10.

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https://bugs.launchpad.net/bugs/803943

Title:
  compiz consuming a lot of cpu

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