Re: Auto-Adaptive scheduler and semaphore patch ( 2.2.14 ) ...

From: Davide Libenzi (davidel@maticad.it)
Date: Tue Jan 25 2000 - 13:03:51 EST


Hi David,

Tuesday, January 25, 2000 9:15 PM
David Lang <dlang@diginsite.com> wrote :
> Davide, your patch did a couple of things, one of which was to improve the
> cache hit rate by re-ordering things. would it be possible to seperate
> that portion of the patch out so it does not skew the results?

can You explain better ?
I don't understand what You mean about reordering.

> for those who are saying that this doesn't match any real-world
> situations, if this really does give a benifit aroung 4-5 processes in the
> runqueue then it may be a valid selection for a 4 or 8 way SMP box. I
> would not want to use on on a UP box or a 2 way SMP box, but if it becomes
> a compile time option for large servers it may be reasonable.

It is not necessary, since for low workloads the new patch use the old
scheduler.

Davide.

--
All this stuff is IMVHO

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Jan 31 2000 - 21:00:15 EST