On Sun, Jun 25, 2000 at 12:04:36AM +0200, Herman Bruyninckx wrote:
> On Sat, 24 Jun 2000, Bernhard Kuhn wrote:
>
> > Herman Bruyninckx wrote:
> >
> > [ Asymetric Multiprocessing with Linux and another RTOS ]
> >
> > > Sounds great, for things such as machine control, where you need a known
> > > and invarying number of small tasks that just have to run very fast.
> >
> > That�s not the point! RT-Linux (and RTAI as well) are just fine for this
> > purpose - except the latencies caused by potential cache misses are too
> > big (usualy < 5 �s - IMHO, that�s quite ok for advanced machine control,
> > but who knows?).
> We have a control problem in which we need a simple controller to run at
> preferably 30 000 Hz... So, keeping everything in cache is really needed...
Do you really need SMP _PowerPC_ ? If not we have something to beta test
on SMP x86.
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