[dpdk-dev] Number of memory channels (EAL Options)
Muhammad Ali
Muhammad.Ali at xflowresearch.com
Thu Jun 20 13:20:35 CEST 2013
Hi everyone
I am running DPDK sample application compiled in Fedora 14 environment.
I have used following command to run the App
./<application> -c f -n 4
c= bitmask of cores to to be used.
and
n= number of memory channels
Now what does 'n' actually defines ?. Is this the number of DMA channels
between RAM (hugepages) and NIC. ? If not so then what it is ?
How does number of memory channels will effect the performance ?
BTW I am using hugepagesize=1G
and Number of Hugepages=4
My question might be very basic, but I am totally confused. Please help me
out here.
Thank you
Regards
--
Muhammad Ali
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