Messages in this thread | | | Date | Tue, 27 Apr 2004 12:44:25 +1000 | From | Nick Piggin <> | Subject | Re: sched_domains and Stream benchmark |
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Andi Kleen wrote: >>I noticed your binary ran with N=2000000 which is only sufficient for a >>2 proc 1 MB cache opteron box according to the documentation on the > > > It does not seem to make any difference. > > >>stream faq. I also noticed wide variation in results (25% or so) when >>running with 4 threads on a 4 proc opteron on linux-2.6.5-mm5. Can you >>provide me with the specs of the system you ran your tests on? > > > Yes, mm5 is still broken because it has the "tuned to numasaurus" numa > scheduler. Run it on a standard (non mm*) kernel or with Ingo's early > load balance patch. >
Now what is wrong with it? I thought you said it is OK now that Ingo's balance-on-clone is implemented, and that you also saw similar variation in results with numasched? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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