Messages in this thread | | | Date | Fri, 21 Dec 2007 19:44:12 +0200 | From | "Pekka Enberg" <> | Subject | Re: Major regression on hackbench with SLUB (more numbers) |
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Hi,
Christoph Lameter <clameter@sgi.com> wrote: > > 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
On Dec 21, 2007 2:09 PM, Ingo Molnar <mingo@elte.hu> wrote: > 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.
Christoph, did you see Steven's oprofile results for the hackbench runs (http://lkml.org/lkml/2007/12/8/198)? Any ideas why we're hitting add_partial like crazy?
Pekka
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