Preemptive scheduling

Philippe Marschall philippe.marschall at gmail.com
Tue May 1 18:25:23 UTC 2007


http://groups.google.com/group/strongtalk-general/msg/5e36e34c2f91eb23

2007/5/1, J J <azreal1977 at hotmail.com>:
> Hi all,
>
> Does the Squeak VM do preemptive scheduling or regular yield style
> scheduling.  This may sound like a silly question, but I know Erlang is
> language that does mainly green threads and they are preemptive in nature.
> They accomplish this by allowing a given thread to execute no more then 100
> VM instructions before it is preempted (obviously if a thread makes a
> primitive call that is a voluntary yield).
>
> Does Squeak do this already?  I suspect not, and if I am correct, would
> there be any benefit in doing something like this or would it actually slow
> things down?
>
> Thanks,
> Jason
>
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