compiz team mailing list archive

[Rocko <rockorequin@xxxxxxxxxxx>]

Although peter huwe said in comment #25 that he sees degradation when
swap is not in use, I suspect that the degradation tends to happen on my
system when swap starts being used, almost as if compiz/unity is having
its data swapped out to disk which then slows it down. Typically on my
system some process will use a ton of memory (firefox, Netbeans) that
causes the system to hit swap, and afterwards the windows stagger around
when I move them instead of moving smoothly.

It *is* a different issue from the slowdown I used to see in glxspheres,
because I've seen glxspheres perform normally when the windows are
staggering around.

One nice observation I have is that the versions of unity/compiz from
Daniel's PPA seem to recover by themselves from the degradation a while
after I close down the offending process using lots of memory (although
not immediately), which is far better than before.

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

Title:
  Gradual degradation in desktop performance.

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