On Mon, 2012-09-24 at 18:54 +0200, Peter Zijlstra wrote: > On Mon, 2012-09-24 at 09:30 -0700, Linus Torvalds wrote:
> > Also, do we really want to spread things out that aggressively? > > How/why do we know that we don't want to share L2 caches, for example? > > It sounds like a bad idea from a power standpoint, and possibly > > performance too. > > IIRC this current stuff is the result of Mike and Suresh running a few > benchmarks.. Mike, Suresh, either one of you remember this? Otherwise > I'll have to go trawl the archives. Aside from the cache pollution I recall having been mentioned, on my E5620, cross core is a tbench win over affine, cross thread is not. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
