Packet passing performance study on exotic hardware.
dgilbert at dclg.ca
Fri Oct 8 11:31:12 PDT 2004
>>>>> "Mike" == Mike Tancsa <mike at sentex.net> writes:
Mike> At 12:18 PM 08/10/2004, David Gilbert wrote:
>> Idle_poll is default 1, I'm not positive we tested 0. I don't
>> think there is much idle time here.
Mike> Actually, on RELENG_5, I think the default is now zero.
checked, tho. We did set it to 1 in sysctl.conf.
Mike> With a releng_5 BETA7 box in between 2 other hosts, with
Mike> idle_poll set to the default on zero, using
Mike> /usr/local/netperf/netperf -l 30 -H 10.10.10.1 -i 10,2 -I 99,10
Mike> -t UDP_STREAM -- -m 1000 -s 32768 32768
Mike> I see about 483Mb. If I set it to 1,
Mike> I get just over 500Mb. This was with an HZ of 1000
This is well below the doubling I want to see, but I will add this to
the test suite.
|David Gilbert, Independent Contractor. | Two things can only be |
|Mail: dave at daveg.ca | equal if and only if they |
|http://daveg.ca | are precisely opposite. |
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