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Re: [Bug 1293384] Re: Compiz CPU usage dramatically increased in Ubuntu 14.04

 

@komali2: have you tried enabling the low graphics mode? There are
instructions here: https://www.whizzy.org/2016/09/unity-7-low-graphics-mode/

Regards,
Stephane

On Thu, Apr 6, 2017 at 8:29 PM, komali2 <1293384@xxxxxxxxxxxxxxxxxx>
wrote:

> I am having the exact issues described in Ubuntu 16.04 on a 2014 Macbook
> Pro (not in a VM).
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1293384
>
> Title:
>   Compiz CPU usage dramatically increased in Ubuntu 14.04
>
> Status in Compiz:
>   Confirmed
> Status in compiz package in Ubuntu:
>   Triaged
>
> Bug description:
>   It appears that the workload of low-level graphical operations used by
>   compiz when, for example, moving windows has increased dramatically
>   between Ubuntu 12.04 and Ubuntu 14.04.
>
>   This might not be that visible when using high-end gpus, but should be
>   clearly visible when using compiz on llvmpipe and to some-extent
>   invalidates the approach of using compiz on top of llvmpipe as a
>   fallback when no GPU is available:
>
>   How to reproduce:
>   1) Use the unity-3d desktop in Ubuntu 14.04 on top of a non-accelerating
> Xorg driver like "modesetting". Move windows around. Note peak and average
> cpu-usage.
>
>   How to verify compiz is the culprit:
>   1) copy /usr/bin/compiz from a Ubuntu 12.04 installation. Drop it in as
> /usr/bin/compiz on 14.04. Reboot. Perform the same window movement.
> CPU-usage should be substantially lower.
>
>   This problem also affects VMs running on VMware ESX with a software-
>   rendering GPU. Window movement becomes sluggish, which suggests that
>   even with GPUs, compiz has increased the number of operations required
>   to move windows.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/compiz/+bug/1293384/+subscriptions
>

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https://bugs.launchpad.net/bugs/1293384

Title:
  Compiz CPU usage dramatically increased in Ubuntu 14.04

To manage notifications about this bug go to:
https://bugs.launchpad.net/compiz/+bug/1293384/+subscriptions


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