pete wright nomadlogic at
Fri Jan 5 10:13:30 PST 2007

On 1/5/07, Eugene Grosbein <eugen at> wrote:
> On Fri, Jan 05, 2007 at 09:56:31AM -0800, pete wright wrote:
> > >Tried to use iperf from ports in UDP mode with 64 byte payload,
> > >but it calls gettimeofday() after each write and gives me about 80Kpps only
> > >for Pentium D 2.8Ghz.
> > >
> > >What alternative should I use? May be, a netgraph node?
> >
> > I've done some benchmarking/testing of 10gig-e NIC's using a combo of
> > iperf/netgraph and ttcp with good results.  all are available in
> > ports.
> What pps numbers had you obtained? What CPU had you used?
> I don't like iperf for gettimeofday() overhead.

yea that was an issue, hence us using multiple benchmarks to get a
better picture of performance.  sorry can't really get into the
specifics on the hardware/stat's of the benchmark.  used 10gig-e as
example to illustrate that all these utilities functioned well under
heavy tcp and udp loads.


Pete Wright
NYC's *BSD User Group

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