Re: RFC: Network privilege separation.

[Evgeniy Polyakov]

On Mon, Jan 12, 2009 at 10:15:27PM +0200, RÃmi Denis-Courmont (rdenis@xxxxxxxxxxxxxxxx) wrote:
> > I don't think that's given. It would need some restructuring,
> > but I think the end result would be likely worth it.
> 
> A normal DVD would be over 30 megabytes per seconds once decoded, just for the 
> video. And remember vmsplice() is not allowed by SECCOMP. Media players have 
> assembly-coded memory copy optimizations (like the kernel) for some reason.

Just a note: memory copy is way too faster than 30 mb/s, and very likely
it is not the memory copy, but (de)compression, since likely all modern
codecs are limited by the CPU and not the memory bandwidth.

-- 
	Evgeniy Polyakov
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