From: Christoph Hellwig <hch@infradead.org>
To: Chris Wedgwood <cw@f00f.org>
Cc: "Randy.Dunlap" <rddunlap@osdlab.org>,
linux-kernel@vger.kernel.org, hpa@zytor.com
Subject: Re: How many pentium-3 processors does SMP support?
Date: Tue, 10 Jul 2001 17:57:08 +0200 [thread overview]
Message-ID: <20010710175708.A18588@caldera.de> (raw)
In-Reply-To: <20010711022509.C31966@weta.f00f.org> <3B4B1E91.A7D75608@osdlab.org> <20010711035038.A32188@weta.f00f.org>
In-Reply-To: <20010711035038.A32188@weta.f00f.org>; from cw@f00f.org on Wed, Jul 11, 2001 at 03:50:38AM +1200
On Wed, Jul 11, 2001 at 03:50:38AM +1200, Chris Wedgwood wrote:
> On Tue, Jul 10, 2001 at 08:26:09AM -0700, Randy.Dunlap wrote:
>
> I have heard of some IBM/Sequent patches that modify the
> logical vs. physical APIC addressing scheme to make 16-way
> systems work.
>
> The Unisys machine is actually four quad-CPU machines with shared
> memory, dynamically configurable and other neat stuff.
If it is the Unisys design I mean it is done rather different.
The design I saw has two central crossbars and attached either CPU
modules with a GTL+ bus and two CPUs after a L3 cache or a IO
Module with a few (IIRC 3) PCI busses.
--
Of course it doesn't work. We've performed a software upgrade.
next prev parent reply other threads:[~2001-07-10 15:57 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-10 5:17 How many pentium-3 processors does SMP support? Xinwei Xue
2001-07-10 5:34 ` H. Peter Anvin
2001-07-10 13:51 ` Chris Wedgwood
2001-07-10 14:12 ` Christoph Hellwig
2001-07-10 14:16 ` Chris Wedgwood
2001-07-10 14:19 ` Christoph Hellwig
2001-07-10 14:25 ` Chris Wedgwood
2001-07-10 14:32 ` Christoph Hellwig
2001-07-10 14:36 ` Chris Wedgwood
2001-07-10 15:26 ` Randy.Dunlap
2001-07-10 15:50 ` Chris Wedgwood
2001-07-10 15:57 ` Christoph Hellwig [this message]
2001-07-10 16:29 ` Ralf Baechle
2001-07-10 16:10 ` Jesper Juhl
2001-07-10 14:30 ` Chris Wedgwood
2001-07-10 14:43 ` Jesper Juhl
[not found] <85256A85.007E98E0.00@D51MTA03.pok.ibm.com>
2001-07-10 23:24 ` Martin J. Bligh
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