On Tue, 2014-05-27 at 11:48 +0200, Peter Zijlstra wrote: > So I suppose this is due to the select_idle_sibling() nonsense again, > where we assumes L3 is a fair compromise between cheap enough and > effective enough.
Nodz. > Of course, Intel keeps growing the cpu count covered by L3 to ridiculous > sizes, 8 cores isn't nowhere near their top silly, which shifts the > balance, and there's always going to be pathological cases (like the > proposed workload) where its just always going to suck eggs. Test is as pathological as it gets. 15 core + SMT wouldn't be pretty. -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/
