From: "David S. Miller" <davem@dm.cobaltmicro.com>
To: ultralinux@vger.kernel.org
Subject: Re: Ultra AXmp
Date: Wed, 15 Jul 1998 11:27:41 +0000 [thread overview]
Message-ID: <marc-linux-ultrasparc-90222358531043@msgid-missing> (raw)
In-Reply-To: <marc-linux-ultrasparc-90222358531013@msgid-missing>
Date: Wed, 15 Jul 1998 07:14:23 -0400
From: Bob Drzyzgula <bob@drzyzgula.org>
I believe that the UltraSPARC III specifically does provide for
per-CPU DRAM; I don't know excactly how that would be implemented
in a system architecture or OS-wise.
It can be treated as processor local memory, and thus requires
something along the lines of NUMA to encourage localization.
I would predict that UPA is scrapped in Ultra-III (Cheetah) for a new
processor interconnect with slightly different characteristics. I
really have high hopes for the memory bandwidth characteristics of
Cheetah in general. It'll probably be 6 or 8 scalar as well.
(these are all blind predictions, I have no idea what it'll really
be like)
Later,
David S. Miller
davem@dm.cobaltmicro.com
next prev parent reply other threads:[~1998-07-15 11:27 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-07-11 18:36 Ultra AXmp Bob Drzyzgula
1998-07-12 1:56 ` David S. Miller
1998-07-12 2:21 ` Matthew Jacob
1998-07-12 2:29 ` David S. Miller
1998-07-12 5:02 ` Matthew Jacob
1998-07-12 12:54 ` Douglas Eadline
1998-07-12 23:59 ` Bob Drzyzgula
1998-07-13 6:27 ` Qiru Zhou
1998-07-13 6:38 ` David S. Miller
1998-07-13 10:40 ` Bob Drzyzgula
1998-07-13 12:09 ` Xavier Beaudouin
1998-07-13 13:59 ` Robert G. Brown
1998-07-13 14:29 ` Robert HYATT
1998-07-13 14:54 ` Matthew Jacob
1998-07-13 14:56 ` Matthew Jacob
1998-07-13 14:59 ` Matti Aarnio
1998-07-13 15:24 ` Robert HYATT
1998-07-13 15:38 ` Robert HYATT
1998-07-13 16:56 ` Robert G. Brown
1998-07-13 17:04 ` Robert G. Brown
1998-07-13 17:13 ` Lawrence D. Lopez
1998-07-13 17:26 ` Mike
1998-07-14 1:44 ` Shannon
1998-07-14 7:00 ` David S. Miller
1998-07-14 18:07 ` Douglas Eadline
1998-07-14 23:23 ` Bob Drzyzgula
1998-07-15 3:31 ` Dave Wreski
1998-07-15 8:07 ` Ward Deng
1998-07-15 11:14 ` Bob Drzyzgula
1998-07-15 11:27 ` David S. Miller [this message]
1998-07-15 15:54 ` Robert G. Brown
1998-07-15 17:11 ` Robert G. Brown
1998-07-15 23:22 ` Luis Ponce de Leao
1998-07-21 23:29 ` Ward Deng
1998-07-25 23:34 ` Ward Deng
1998-07-26 0:02 ` Ward Fenton
1998-07-26 0:45 ` Rich Martin
1998-07-26 3:34 ` Bob Drzyzgula
1998-07-26 4:00 ` Ward Deng
1998-07-26 4:29 ` Ward Deng
1998-07-26 12:29 ` Bob Drzyzgula
1998-07-26 13:57 ` Douglas Eadline
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