compiz team mailing list archive

[Rocko <rockorequin@xxxxxxxxxxx>]

I see this bug on both an intel system and an nvidia system as well. The
benchmark that shows the degradation is glxspheres, available in the
virtualgl package (which is installable via apt-get if you do sudo apt-
add-repository ppa:mj-casalogic/ironhide). glxspheres drops from around
60 fps to as low as 25 fps when the degradation is apparent.

I notice the opposite in RAM usage, however - compiz typically is using
less RAM when I see the degradation. And it often comes on quite
quickly. It might be related to having a few windows open (I typically
run Netbeans, VirtualBox, Firefox, Thunderbird) or it might be related
to using a lot of RAM. Sometimes the degradation persists across
multiple reboots (and for multiple users), but when this happens there
is never any degradation using metacity or mutter.

I've documented a lot of what I've tried at bug #861061 and how the
problem sometimes randomly resolves itself.

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https://bugs.launchpad.net/bugs/888039

Title:
  Gradual degradation in desktop performance.

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