Subject: Re: Major regression on hackbench with SLUB (more numbers)
Newsgroups: gmane.linux.kernel
Date: 2007-12-21 17:44:12 GMT (1 year, 28 weeks, 19 hours and 51 minutes ago)
Hi, Christoph Lameter <clameter <at> 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 <at> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo <at> vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/