> On Sun, 30 Dec 2001, Timothy Covell wrote:
>
> > each CPU? And this reminds me of how "make -j3 bzlilo" is slower
than
> > "make -j2 bzlilo".
>
> Running N CPU bound tasks on an M way SMP machine with N > M is
never
> going to improve your performace. On the contrary, expecially with
the
> current scheduler that keeps rotating the three tasks between the
two
> CPUs, you're going to suffer a slight performance degradation.
And can you please post a patch for this?
;-)
Honestly: it _should_ be fixed, there is a better way of doing it, and
this is the base for a patch.
Regards,
Stephan
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This archive was generated by hypermail 2b29 : Mon Dec 31 2001 - 21:00:23 EST