Re: a joint letter on low latency and Linux

On Thu, Jun 29, 2000 at 03:30:31PM -0700, Bill Huey wrote:
> 
> > Perhaps you would care to explain why it is that you can't do exactly
> > what you want with RT Linux?  If you did that, then you might find either
> > (a) that you are mistaken about the limitations of RT Linux, or (b) the
> > RT Linux folks will provide what you need.
> 
> Larry,
> 
> 1) Extensive floating point math.
> 2) Intelligent useage of SMP for heavy computation that joins to a single
> 	data flow node.
> 
> Can RTLinux be distributed to 2-4 processors ?

Yes. With assignment of threads to processors and, using Ingo's interrupt
focus, assignment of handlers to processors.

> Can it do math ?

Yes.
  Start a rt thread with pthread_setfp_np and the thread will use fp.
  We'll go to automatic startup in V3 soon now that we put in the
  infrastructure for traps anyways (so that GDB works).

> 
> bill
> 
> 
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-- 
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Victor Yodaiken 
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