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[Bug 1049214] Re: [nvidia] XSync usage is a massive bottlenecking factor (nvidia performance regression in Compiz 0.9.8+)

To: compiz@xxxxxxxxxxxxxxxxxxx
From: "Silviu C." <1049214@xxxxxxxxxxxxxxxxxx>
Date: Sun, 02 Dec 2012 00:47:10 -0000
Reply-to: Bug 1049214 <1049214@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

With the 310.14 nvidia drivers, unchecking "sync to vblank" in the
nvidia-settings utility seems to make the problem of windows stuttering
during dragging go away. It seems this option defaults to "on" in the
310 series. Looks like compiz doing v-sync and the driver doing v-sync
is a bad combination.

Can anyone else with nvidia cards and the 310 series driver confirm
this?

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https://bugs.launchpad.net/bugs/1049214

Title:
  [nvidia] XSync usage is a massive bottlenecking factor (nvidia
  performance regression in Compiz 0.9.8+)

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