Re: [Benchmark] AIM results

bert hubert (ahu@ds9a.nl)
Mon, 25 Nov 2002 11:54:46 +0100


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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