From: William Lee Irwin III <wli@holomorphy.com>
To: Erich Focht <efocht@ess.nec.de>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
LSE <lse-tech@lists.sourceforge.net>, Ingo Molnar <mingo@elte.hu>,
Michael Hohnbaum <hohnbaum@us.ibm.com>
Subject: Re: [Lse-tech] [PATCH 1/2] node affine NUMA scheduler
Date: Sat, 21 Sep 2002 10:38:15 -0700 [thread overview]
Message-ID: <20020921173815.GE28202@holomorphy.com> (raw)
In-Reply-To: <200209211932.59871.efocht@ess.nec.de>
On Sat, Sep 21, 2002 at 07:32:59PM +0200, Erich Focht wrote:
> Might also be that the __node_distance matrix which you might use
> by default is not optimal for NUMAQ. It is fine for our remote/local
> latency ratio of 1.6. Yours is maybe an order of magnitude larger?
> Try replacing: 15 -> 50, guess you don't go beyond 4 nodes now...
I'm running with 8 over the weekend, and by and large we go to 16,
though we rarely put all our eggs in one basket.
I'll take it for a spin.
Cheers,
Bill
next prev parent reply other threads:[~2002-09-21 17:39 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-21 9:59 [PATCH 1/2] node affine NUMA scheduler Erich Focht
2002-09-21 10:02 ` [PATCH 2/2] " Erich Focht
2002-09-21 15:55 ` [Lse-tech] [PATCH 1/2] " Martin J. Bligh
2002-09-21 16:32 ` Martin J. Bligh
2002-09-21 16:46 ` Martin J. Bligh
2002-09-21 17:11 ` Martin J. Bligh
2002-09-21 17:32 ` Erich Focht
2002-09-21 17:38 ` William Lee Irwin III [this message]
2002-09-21 23:18 ` William Lee Irwin III
2002-09-22 8:09 ` William Lee Irwin III
2002-09-22 8:30 ` Erich Focht
2002-09-22 17:11 ` Martin J. Bligh
2002-09-22 19:20 ` Martin J. Bligh
2002-09-22 21:59 ` Erich Focht
2002-09-22 22:36 ` William Lee Irwin III
2002-09-22 22:51 ` Martin J. Bligh
2002-09-23 18:19 ` node affine NUMA scheduler: simple benchmark Erich Focht
2002-09-22 10:35 ` [Lse-tech] [PATCH 1/2] node affine NUMA scheduler Erich Focht
2002-09-22 10:45 ` Erich Focht
2002-09-22 14:57 ` Martin J. Bligh
2002-09-23 18:38 ` Erich Focht
2002-09-23 18:47 ` Martin J. Bligh
2002-09-24 21:04 ` Erich Focht
2002-09-24 21:17 ` Martin J. Bligh
2002-09-22 15:52 ` Martin J. Bligh
2002-09-22 19:24 ` Martin J. Bligh
2002-09-24 23:59 ` Matthew Dobson
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