compiz team mailing list archive

[Toby Corkindale <877438@xxxxxxxxxxxxxxxxxx>]

Have been reminded of this bug, and thought I'd post a follow-up on my
own experiences.

I noticed that my desktop would run smoothly at first, then once I had a
few windows open, it went slow.

I used the "nvidia-smi" utility to monitor the memory usage on the GPU,
and noticed that as I opened more windows, the memory usage would reach
90-95%. Once it reached that level, the desktop became very slow.

If I closed windows until the memory usage dropped before 90%,
everything sped up again.

My solution was to purchase another video card. The old one had 256 MB
of video RAM, the new one has 1024, and thus I don't reach that
troublesome state any more.

People with laptops may not be able to apply this solution.

-- 
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https://bugs.launchpad.net/bugs/877438

Title:
  [8xxx] Unity/compiz has sluggish performance on dual-head with nvidia
  driver

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