On Sep 22, 2011, at 5:05 PM, Brice Goglin wrote:

> No, the level always contain all elements of the same type (+depth for
> caches), even if they are not at the same "distance" to the root (not
> "depth").
> 
> Let's say you have two single-core sockets. One with no cache. One with
> a L1.
> What happens is:
> * first level/depth is socket, contains two sockets, cover all cores.
> * level 2 is L2, single element, *does not cover all cores*
> * level 3 is core, two elements.
> 
> The funky thing here is that the parent/child links between the first
> socket and its core go across level 2 because nothing matches there. In
> the first socket, you have Socket(depth1)->Core(depth3) while in the
> second socket you have Socket(depth1)->Cache(depth2)->Core(depth3)

Huh.  I didn't know / had forgotten this.

I think we definitely need to call this out in the docs.

-- 
Jeff Squyres
[email protected]
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/

Reply via email to