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[yossarian_uk <988079@xxxxxxxxxxxxxxxxxx>]

For Nvidia users the ONLY way to get a responsible experience in 3D apps
games is to enable

composite -> "unredirect fullscreen windows"

it fixes ALL performance issues - regardless of the ' Sync To Vblank'
setting ... It's the same speed as kde (with /without desktop effects),
xfce, lxde, etc

If you are getting a slow speed (and have Nvidia)

Out the box as well as the speed of fps being 1/2 of what it should I
was getting weird graphic (lagging) issues

https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1012401

Enabling  "unredirect fullscreen windows"  in compiz settings fixes
everything - the speed, the issues, it is the ONLY way I have seen
unity3D to be usable....

However one word of warning - enabling that option can make Unity3D not
start when you re-login...

https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/980663

At present I would advise all Nvidia users to avoid Unity3D / Compiz if
you ever want to play a 3d game... Unity/Compiz needs to be fixed for
Nvidia user asap (I really fear the bugs will give Linux a bad name for
gaming..)

Kde,lxde,xfce,cinammon - none of these DE's have these issues btw... Kde
has 'suspend desktop effects on fullscreen apps' and gnome 3 seems to
automatically do the same...

-- 
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packagers, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/988079

Title:
  Much slower OpenGL frame rates with unityshell loaded, than plain
  compiz

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