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Date:      Thu, 12 Oct 2006 12:48:52 +0200
From:      Danny Braniss <danny@cs.huji.ac.il>
To:        "Steven Hartland" <killing@multiplay.co.uk>
Cc:        freebsd-hackers@freebsd.org, Jack Vogel <jfvogel@gmail.com>, freebsd-net@freebsd.org
Subject:   Re: em blues 
Message-ID:  <E1GXy7Q-00021o-Gn@cs1.cs.huji.ac.il>
In-Reply-To: <01ad01c6ede9$5e4ee730$b3db87d4@multiplay.co.uk> 
References:  <E1GXeiv-0007hw-4u@cs1.cs.huji.ac.il> <2a41acea0610111051r36ad7200gef868593e34c9331@mail.gmail.com> <01ad01c6ede9$5e4ee730$b3db87d4@multiplay.co.uk>

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> Jack Vogel wrote:
> > On 10/11/06, Danny Braniss <danny@cs.huji.ac.il> wrote:
> >> the box is a bit old (Intel Pentium III (933.07-MHz 686-class CPU)
> >> dual cpu.
> >> running iperf -c (receiving):
> >> 
> >> freebsd-4.10    0.0-10.0 sec    936 MBytes    785 Mbits/sec
> >> freebsd-5.4     0.0-10.0 sec    413 MBytes    346 Mbits/sec
> >> freebsd.6.1     0.0-10.0 sec    366 MBytes    307 Mbits/sec
> >> freebsd-6.2     0.0-10.0 sec    344 MBytes    289 Mbits/sec
> > You arent measuring em, you're measuring RELEASES on
> > your hardware, is this a surprise on a P3, no.
> > 
> > I still do 930ish Mb/s on a P4 with a PCI-E or PCI-X adaptors
> > running 6.1, in fact can do that with a 4 port adaptor I believe.
> 
> Old hardware or not I'd say they are interesting results as
> there should be no real reason why we need the most up to
> date hardware not to loose out on performance.
> 
and eol threats :-)

> Out of interest Danny how do the various OS compare when
> using a single CPU kernel?

i don't have any UP kernels, but i'll make one for 6.2 an let you know.

danny





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