KSE, libpthread & libthr: almost newbie question
gnn at freebsd.org
gnn at freebsd.org
Fri Oct 27 15:56:06 UTC 2006
At Fri, 27 Oct 2006 14:02:59 +0100 (BST),
rwatson wrote:
> (3). One of the current theories bouncing around the kernel
> developer community is that the complexity and overhead of (2)
> outweighs many of the benefits of KSE, and that by making it an
> option, we can better evaluate the impact. Notice that this isn't
> just about code complexity, but also about scheduler overhead.
> David Xu has reported a non-trivial performance change from the
> reduced overhead of the scheduler paths. So now we're at a point
> where we can more fully evaluate the impact of KSE (since we can
> actually compile it out of the scheduler). Before anything further
> can be done, we now need to do that evaluation.
>
And speaking of evaluation if people can follow the advice here:
http://wikitest.freebsd.org/BenchmarkAdvice
It would be greatly appreciated.
Best,
George
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