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Date: Sun, 22 Sep 2002 15:36:30 -0700
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
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On Sun, Sep 22, 2002 at 11:59:16PM +0200, Erich Focht wrote:
> A bit more difficult is tuning the scheduler parameters which can
> be done pretty simply by changing the __node_distance matrix. A first
> attempt could be: 10 on the diagonal, 100 off-diagonal. This leads to
> larger delays when stealing from a remote node.

This is not entirely reflective of our architecture. Node-to-node
latencies vary as well. Some notion of whether communication must cross
a lash at the very least should be present.


Cheers,
Bill
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