Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 23 May 2005 10:49:55 -0400
From:      Jung-uk Kim <jkim@niksun.com>
To:        obrien@freebsd.org
Cc:        rwatson@freebsd.org, freebsd-amd64@freebsd.org, freebsd-arch@freebsd.org
Subject:   Re: AMD64 NUMA-awareness?
Message-ID:  <200505231049.55883.jkim@niksun.com>
In-Reply-To: <20050523052211.GA65514@dragon.NUXI.org>
References:  <200505191431.08189.jkim@niksun.com> <20050523052211.GA65514@dragon.NUXI.org>

next in thread | previous in thread | raw e-mail | index | archive | help
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)



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200505231049.55883.jkim>