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From: Chris Friesen <cfriesen@nortelnetworks.com>
To: Larry McVoy <lm@bitmover.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: lmbench results for 2.4 and 2.5 -- updated results
Date: Mon, 24 Mar 2003 17:19:50 -0500	[thread overview]
Message-ID: <3E7F8486.8000008@nortelnetworks.com> (raw)
In-Reply-To: 20030324220435.GA11421@work.bitmover.com

Larry McVoy wrote:

> work ~/LMbench2/bin/i686-pc-linux-gnu ENOUGH=1000000 time bw_pipe
> Pipe bandwidth: 655.37 MB/sec
> real    0m23.411s
> user    0m0.480s
> sys     0m1.180s
> 
> work ~/LMbench2/bin/i686-pc-linux-gnu time bw_pipe
> Pipe bandwidth: 809.81 MB/sec
> 
> real    0m2.821s
> user    0m0.480s
> sys     0m1.180s

Why the difference?  Is it being scheduled out?  Should lmbench be (optionally) 
putting itself into a realtime scheduling class?

Chris

-- 
Chris Friesen                    | MailStop: 043/33/F10
Nortel Networks                  | work: (613) 765-0557
3500 Carling Avenue              | fax:  (613) 765-2986
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  parent reply	other threads:[~2003-03-24 22:08 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-24 19:53 lmbench results for 2.4 and 2.5 -- updated results Pallipadi, Venkatesh
2003-03-24 20:01 ` Larry McVoy
2003-03-24 21:09   ` Martin J. Bligh
2003-03-24 23:36     ` Andrew Morton
2003-03-24 22:04       ` Larry McVoy
2003-03-24 22:04         ` Martin J. Bligh
2003-03-24 22:23           ` Larry McVoy
2003-03-24 22:19         ` Chris Friesen [this message]
2003-03-25 18:23         ` Martin J. Bligh
2003-03-26  1:50           ` Larry McVoy
2003-03-26  2:09             ` Martin J. Bligh
  -- strict thread matches above, loose matches on Subject: below --
2003-03-24 20:11 Nakajima, Jun
2003-03-22 16:11 lmbench results for 2.4 and 2.5 Chris Friesen
2003-03-24  6:08 ` lmbench results for 2.4 and 2.5 -- updated results Chris Friesen
2003-03-24  8:39   ` Linus Torvalds
2003-03-24  9:03     ` William Lee Irwin III

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