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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