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From: William Lee Irwin III <wli@holomorphy.com>
To: Dave Hansen <dave@us.ibm.com>
Cc: Andrew Morton <akpm@digeo.com>, linux-kernel@vger.kernel.org
Subject: Re: 2.5.38-mm2 dbench $N times
Date: Tue, 24 Sep 2002 18:17:15 -0700	[thread overview]
Message-ID: <20020925011715.GG3530@holomorphy.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0209241802120.11685-100000@nighthawk.sr71.net>

At some point in the past, Andrew Morton wrote:
>> dbench 16 on that sort of machine is a memory bandwidth test.
>> And a dcache lock exerciser.  It basically doesn't touch the
>> disk.  Something very bad is happening.
>> Anton can get 3000 MByte/sec ;)


On Tue, Sep 24, 2002 at 06:08:59PM -0700, Dave Hansen wrote:
> Bill's Machine cost around $50, plus the cost to repair the walls that I 
> crushed when hauling the pieces around.  Anton's cost $2 million.  Bill 
> wins :)
> Are you trying to bind the processes anywhere?  I wonder what would happen 
> if you make it always run quad 0...

It's probably more an artifact of not having substantial I/O subsystems.
This is basically a single-JBOD test.



Cheers,
Bill

  reply	other threads:[~2002-09-25  1:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-24 13:20 William Lee Irwin III
2002-09-24 17:47 ` Andrew Morton
2002-09-25  0:18   ` William Lee Irwin III
2002-09-25  0:25     ` William Lee Irwin III
2002-09-25  0:31     ` Andrew Morton
2002-09-25  0:39       ` William Lee Irwin III
2002-09-25  0:46         ` Andrew Morton
2002-09-25  1:08       ` Dave Hansen
2002-09-25  1:17         ` William Lee Irwin III [this message]
2002-09-25  6:03       ` Martin J. Bligh
2002-09-25 18:51         ` Andrew Theurer
2002-09-25 20:57           ` Martin J. Bligh
2002-09-25 21:05             ` Andrew Theurer
2002-09-25 23:57           ` William Lee Irwin III

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