Re: real-time threaded IO with low latency (audio)
Arvind Sankar (arvinds@mit.edu)
Sat, 24 Jul 1999 16:33:58 -0400
On Sat, Jul 24, 1999 at 12:10:15PM -0700, Bill Huey wrote:
>
> > Oliver Xymoron wrote:
>
> > On an unloaded system, yes, you can be clever with mlock() and pre-fault
> > everything before going into your critical code, but the people who are
> > begging for RT performance for multimedia stuff don't understand that it
> > means running with basically no load and giving up tons of memory and not
> > touching the disk, etc..
>
> Uh that's pretty typical arrogant *not-so-smart* Unix mentality.
> Try capturing a 200 megabyte video stream without touching the disk.
>
> You'll fail flat out.
which was exactly Xymoron's point, I thought.
RT requires no disk hits
vidcapture requires lots of disk access
hence, can't have both.
-- arvind
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