[Bug 96820] intel-virtual-output: bad performance
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Jul 11 08:48:06 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=96820
--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to main.haarp from comment #4)
> So, if I'm interpreting things correctly, it's mostly a problem of copying
> frames from the Nvidia X to Intel X, correct? What exactly is the
> bottleneck? CPU, memory bandwidth, PCIe bandwidth?
Other way. The copy is from the intel screen to the nvidia screen. The Intel
half is fully accelerated, the nvidia portion is not. Ideally, we can eliminate
one of those copies by passing a buffer between instead.
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