Re: AMD64 NUMA-awareness?

From: Jung-uk Kim (jkim_at_niksun.com)
Date: 05/23/05

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    To: obrien@freebsd.org
Date: Mon, 23 May 2005 10:49:55 -0400

    On Monday 23 May 2005 01:22 am, David O'Brien wrote:
    > 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.

    Great. I am assuming you're working on ACPI SRAT/SLIT parsing,
    correct?

    > 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.

    If you need any help, let me know.

    > For Intel dual-core HTT systems, there aren't any NUMA
    > characteristics I'm aware of.

    I believe you are correct.

    Jung-uk Kim

    > --
    > -- David  (obrien@FreeBSD.org)
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