Comment 18 for bug 877438

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Grzegorz Dyk (grzegorz-dyk) wrote : Re: [Bug 877438] Re: Unity/compiz has sluggish performance on dual-head with nvidia driver

W dniu 10.01.2012 13:55, Bo Nygaard Bai pisze:
> I have spend a lot of time trying different setups to test this. The
> conclusion seems to be:
>
> 1) The problem is apparent on both ATI and Nvidia hardware.
>
> 2) It only occurs on multiscreen setups
I have completely different experiences when it comes to this one. I
have been experiencing
problems with terminal when working on my laptop without any external
screens connected.
>
> 3) It only and always occurs when the Unity plugin to Compiz is active.
>
> Simple reproduction can be done by:
>
> Standard unity desktop session across multiple screens.
>
> Run the attached python program in a fullscreen terminal on one screen.
>
> Try typing in another terminal on another screen.
>
> Python program to spout lines:
> ----
> import time
> import sys
>
> try:
> lps=float(sys.argv[1])
> except IndexError:
> lps=0
>
> a=0
> while True:
> a+=1
> print "Dette er lang linie nummer %d som skal vise om vi kan lave hurtig scroll" % a
> if lps> 0:
> time.sleep(1.0/lps)
> ----
>

--
Pozdrawiam,
   Grzegorz Dyk