Date: Sun, 22 May 2005 22:22:11 -0700 From: "David O'Brien" <obrien@freebsd.org> To: Jung-uk Kim <jkim@niksun.com> Cc: rwatson@freebsd.org, freebsd-amd64@freebsd.org, freebsd-arch@freebsd.org Subject: Re: AMD64 NUMA-awareness? Message-ID: <20050523052211.GA65514@dragon.NUXI.org> In-Reply-To: <200505191431.08189.jkim@niksun.com> References: <200505191431.08189.jkim@niksun.com>
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On Thu, May 19, 2005 at 02:31:08PM -0400, Jung-uk Kim wrote: > I am not sure about the meaning of 'true NUMA capable machines' but > AMD64 is ccNUMA unless I am completely mistaken, and FreeBSD/amd64 is > well-supported. Even multicore processors are available now ..snip.. I am working on extracting the CPU & memory topology on AMD Opteron machines. For Athlon64 X2 (dual-core) there is nothing for FreeBSD to do differently than today. Once I have the ability to nicely express the topology on an Opteron system, there are two heavy hitters that have said they will consume the bits and work on optimizing FreeBSD for Opteron systems. For Intel dual-core HTT systems, there aren't any NUMA characteristics I'm aware of. -- -- David (obrien@FreeBSD.org)
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