Messages in this thread | | | Subject | RE: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3 | Date | Thu, 25 Mar 2004 07:15:15 -0800 | From | "Nakajima, Jun" <> |
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We have found some performance regressions (e.g. SPECjbb) with the scheduler on a large IA-64 NUMA machine, and we are debugging it. On SMP machines, we haven't seen performance regressions.
Jun
>-----Original Message----- >From: Andi Kleen [mailto:ak@suse.de] >Sent: Wednesday, March 24, 2004 8:56 PM >To: Ingo Molnar >Cc: piggin@cyberone.com.au; linux-kernel@vger.kernel.org; akpm@osdl.org; >kernel@kolivas.org; rusty@rustcorp.com.au; Nakajima, Jun; >ricklind@us.ibm.com; anton@samba.org; lse-tech@lists.sourceforge.net; >mbligh@aracnet.com >Subject: Re: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2- >A3 > >On Thu, 25 Mar 2004 09:28:09 +0100 >Ingo Molnar <mingo@elte.hu> wrote: > >> i've reviewed the sched-domains balancing patches for upstream inclusion >> and they look mostly fine. > >The main problem it has is that it performs quite badly on Opteron NUMA >e.g. in the OpenMP STREAM test (much worse than the normal scheduler) > >-Andi - 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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