On Wed, 2013-02-20 at 11:49 +0100, Ingo Molnar wrote: > The changes look clean and reasoable,
I don't necessarily agree, note that O(n^2) storage requirement that Michael failed to highlight ;-) > any ideas exactly *why* it speeds up? That is indeed the most interesting part.. There's two parts to select_task_rq_fair(), the 'regular' affine wakeup path, and the fork/exec find_idlest_goo() path. At the very least we need to quantify which of these two parts contributes most to the speedup. In the power balancing discussion we already noted that the find_idlest_goo() is in need of attention. -- 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/