Re: [patch 2/2] cpusets: add interleave_over_allowed option

Paul Jackson
2007-10-29T19:47:49Z

Lee wrote:
> Again, we stumble upon the notion of "intent". If the intent is just to
> spread allocations to share bandwidth, it probably doesn't matter. If,
> on the other hand, the original mask was carefully constructed, taking
> into consideration the distances between the memories specified and
> other resources [cpus in the cpuset, other memories in the cpuset, IO
> adpater connection points, ...], there is a lot more to consider than
> just preserving the cpuset relative positions of the nodes.

Yes - as I noted in an earlier reply, the kernel just provides the
mechanisms. It's up to user level code and people to decide whether
moving jobs around is a worthwhile activity in their situation.

--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401