From: Muhammad Ali <Muhammad.Ali@xflowresearch.com>
To: dev@dpdk.org
Subject: [dpdk-dev] Number of memory channels (EAL Options)
Date: Thu, 20 Jun 2013 16:20:35 +0500 [thread overview]
Message-ID: <CA+JBJ--bhvWOqpsosa=iw6ak=4vbeW7+nFAOis2YpcMa8ws7fw@mail.gmail.com> (raw)
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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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next reply other threads:[~2013-06-20 11:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-20 11:20 Muhammad Ali [this message]
2013-06-20 15:43 ` Stephen Hemminger
2013-06-24 5:27 ` Muhammad Ali
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