network performance

[Stefan Lambrev]

Greetings,

>>
>> And will try the same benchmark on quad core processor as now numbers 
>> of cores/cpus matter :)
>
> That will certainly be interesting to test!
I made some tests with quad core CPU:

netstat shows:
            input          (em0)           output
   packets  errs      bytes    packets  errs      bytes colls
    533738     0   32024280     181592     0   10506120     0
    526035     0   31562100     181580     0   10508266     0
    524260     0   31455600     181683     0   10509310     0
    524264     0   31455840     182385     0   10550374     0

pmcstat results - http://89.186.204.158/hwpmc-p4-quadcore.txt
not sure if they are correct because the system livelocked during 
pmcstat run, so I did cold reboot.
if_em is compiled as module here, so grpof from if_em is at the end of 
the file.
Quite surprising quad core is slower in this benchmark, and I'm still 
trying to find what is different if we do not count the cpus :)

-- 

Best Wishes,
Stefan Lambrev
ICQ# 24134177