On Sun, 18 Jul 1999, Brian J. Beesley wrote:
> > Is there any way to set the affinity under NT automatically when a service
> > starts up?
>
> Put "Affinity=n" into prime.ini (where n = 0, 1, 2, ...) This works
> for both NTPrime and Prime95/NT.
>
> If this line isn't there, the processes are scheduled on the first
> available processor at each timeslice. This costs about 5% on an idle
> system and next to nothing on a system which is very busy (because
> idle priority processes don't see much CPU), but it is expensive on a
> system which has just a little load from other applications.
>
> I think "Affinity=n" may work with linux also.
There's no support for explicit processor affinity in stock Linux, so I'd
doubt that would work.
On the other hand, the affinity of a process to stay at the same processor
is very high, exactly to prevent that rescheduling performance hit seen in
NT, so I wouldn't expect it to be a big problem.
--
Henrik Olsen, Dawn Solutions I/S URL=http://www.iaeste.dk/~henrik/
Darth Vader: Luke, come to the dark side.
Luke: No.
Darth Vader: Your goodness has redeemed me. Die, emperor scum.
Return of the Jedi, the Movie-A-Minute version
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