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SubjectRe: An important fact about real time computing
On Thu, Jul 20, 2000 at 12:01:30PM +0200, David Balazic wrote:
> yodaiken@fsmlabs.com wrote:
> >
> > On Wed, Jul 19, 2000 at 03:47:01PM -0400, David Mansfield wrote:
> > > David Balazic wrote:
> > > >
> > > > The first sentence my professor maid on the real time computing
> > > > course was :
> > > >
> > > > "A common misconception : Real-time computing is fast computing."
> >
> > This is the standard lecture, but don't take it too far. You can control
> > a robot with deterministic latecnies under 50 usecs, but not with
> > deterministic latencies of 10 minutes.
>
> Yes , but not every process has usec requirements.
> Think house heating control etc ...

So deterministic response is necessary for all hard RT, but the range
of hard RT problems that can be solved is a function of worst case
latencies.


>
> David Balazic

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Victor Yodaiken
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