Hi Thomas,

Ok, thanks for the additional info.  The comment about "modesetting"
confused me as this definitely enables llvmpipe and software rendering
and no GPU acceleration on both 12.04 & 14.04.  I didn't realize the
issue is when using the virtualized GPU driver in ESX.

We could probably add the VMWare 3D driver to our list of drivers that
should use low graphics mode.  This will disable the blur effect along
with some other effects.  If you can get the output from
/usr/lib/nux/unity_support_test -p when using the VMWare 3D driver, then
I could probably put together a test Unity package for you to try.

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

Title:
  Compiz CPU usage dramatically increased in Ubuntu 14.04

Status in Compiz:
  New
Status in “compiz” package in Ubuntu:
  Confirmed

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.

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