From: Thomas Duffy <Thomas.Duffy.99@alumni.brown.edu>
To: Barry Wu <wqb123@yahoo.com>
Cc: Linux Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: how many cpus can linux support for SMP?
Date: 16 Jan 2002 23:36:19 -0800 [thread overview]
Message-ID: <1011252982.5188.5.camel@localhost.localdomain> (raw)
In-Reply-To: <20020117065841Z288225-13996+7386@vger.kernel.org>
In-Reply-To: <20020117065841Z288225-13996+7386@vger.kernel.org>
On Wed, 2002-01-16 at 22:59, Barry Wu wrote:
> Hi, all,
>
> I am new to this mail list. I do not know how many CPUs linux can
> support well using SMP. If some one knows, please give me
> a reply. Thanks.
there is a 32bit cpu mask, meaning 32 is the absolute max, although Ralf
Baechle has extended it to 64 in order to support SGI origin 2000's, but
realistically, linux can only do about 8 before falling on the ground...
depends on your workload really...you should be ok with 4 cpus.
-tduffy
next prev parent reply other threads:[~2002-01-17 7:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-17 6:59 how many cpus can linux support for SMP? Barry Wu
2002-01-17 7:36 ` Thomas Duffy [this message]
2002-01-17 7:47 ` Anton Blanchard
2002-01-17 8:29 ` Ralf Baechle
2002-01-17 7:51 ` Robert Love
2002-01-17 19:43 ` Randy.Dunlap
2002-01-19 0:30 ` James Cleverdon
2002-01-19 1:41 ` Maciej W. Rozycki
2002-01-19 21:54 ` James Cleverdon
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