Messages in this thread | | | Date | Fri, 21 Dec 2007 13:09:08 +0100 | From | Ingo Molnar <> | Subject | Re: Major regression on hackbench with SLUB (more numbers) |
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* Christoph Lameter <clameter@sgi.com> wrote:
> Hmmmm... Some tests here on an 8p 8G machine:
> In an extreme case (boot with slub_min_order=9 to get huge page sized > slabs) SLUB can win against SLAB: > > N=10 Time: 0.338 Minimally faster > N=20 Time: 0.560 10% faster > N=50 Time: 1.353 15% faster
what's up with this regression? There's been absolutely no activity about it in the last 8 days: upstream still regresses, -mm still regresses and there are no patches posted for testing.
being able to utilize order-0 pages was supposed to be one of the big plusses of SLUB, so booting with _2MB_ sized slabs cannot be seriously the "fix", right?
Ingo
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