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Date: Mon, 25 Nov 2002 11:54:46 +0100
From: bert hubert <ahu@ds9a.nl>
To: Andrew Morton <akpm@digeo.com>
Cc: Paolo Ciarrocchi <ciarrocchi@linuxmail.org>, linux-kernel@vger.kernel.org
Subject: Re: [Benchmark] AIM results
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On Mon, Nov 25, 2002 at 02:45:54AM -0800, Andrew Morton wrote:


> > tcp_test 10000 805.5        72495.00 TCP/IP Messages/second
> > tcp_test 10000 660.7        59463.00 TCP/IP Messages/second
> > ^^^^^ Here 2.4.19 is faster then 2.5.49 (debug?)
> > 
> > udp_test 10000 1448.6       144860.00 UDP/IP DataGrams/second
> > udp_test 10000 1115.7       111570.00 UDP/IP DataGrams/second
> > ^^^^^ Here 2.4.19 is faster then 2.5.49 (debug?)
> 
> Not sure what's going on here, really.  Lots of tiny TCP and UDP
> copies to localhost.  The profiles are splattered all over the place.
> Networking just generally seems to have increased its cache footprint.

Dave has said there is debugging code in 2.5 that slows down traffic on
localhost.

Regards,

bert

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