[MPlayer-users] XV performance with PCI graphics

[Alexander Roalter]

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RC wrote:
> On Sat, 25 Oct 2008 20:19:36 +0200
> Alexander Roalter <alex at roalter.it> wrote:
> 
>> I mean on the PCI bus I should be able to move 130MB/s, and a 1280x720
>> video @24fps produces less than it. 
> 
> Theoretical maximums usually aren't possible to actually acheive with
> any bus, and x86 makes things worse with interrupts causing serious
> performance loss.  You very well *might* be getting close enough to the
> max to affect performance.  There's an easy way to find out...  Reduce
> your X11 color depth to 16bpp and see if you get significantly improved
> performance. 
> 

Reducing to 16bpp didn't help (basically the same performance), but
browsing through my motherboard's manual I found out there's the
possibility to plug in two PCI-e cards, one PCI-e 4x-slot is capable of
retaining a longer PCIe-16x card... I'll give it a shot on monday.


- --
Cheers,
Alex
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