From: "Pattan, Reshma" <reshma.pattan@intel.com>
To: "Wang, Shawn" <xingbow@amazon.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Newbie question about distributor library
Date: Sun, 12 Oct 2014 09:00:35 +0000 [thread overview]
Message-ID: <3AEA2BF9852C6F48A459DA490692831FE23050@IRSMSX109.ger.corp.intel.com> (raw)
In-Reply-To: <12C2AAD9525203489F7B523D670129D91CA95933@ex10-mbx-31007.ant.amazon.com>
Hi ,
Distributor was running as part of Rx core.
Thanks,
Reshma
> -----Original Message-----
> From: Wang, Shawn [mailto:xingbow@amazon.com]
> Sent: Friday, October 10, 2014 10:06 PM
> To: Pattan, Reshma; dev@dpdk.org
> Subject: RE: Newbie question about distributor library
>
> 15.5 mpps is amazing.
> Does the RX core run the distributor or there is another distributor core?
>
> Thanks.
> ________________________________________
> From: Pattan, Reshma [reshma.pattan@intel.com]
> Sent: Friday, October 10, 2014 12:47 AM
> To: Wang, Shawn; dev@dpdk.org
> Subject: RE: Newbie question about distributor library
>
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Wang, Shawn
> > Sent: Thursday, October 9, 2014 7:00 PM
> > To: dev@dpdk.org
> > Subject: [dpdk-dev] Newbie question about distributor library
> >
> > Hi:
> >
> > I am reading document about distributor library which is added in DPDK 1.7.
> > The document mentioned the packets are dynamically load balanced
> > between a set of worker cores.
> > So I am wondering is this the only reason we need distributor library?
> > What else could it give us?
> > Do we have any performance number on this new library?
> >
> > Thanks.
>
> Hi,
>
> Distributor library only takes care of load distribution based on flow type i.e.
> based on rss ( which is calculated based on 5 tuple of the packet) value of mbuf
> to workers. Packets with same rss will be given to same worker. Hence different
> flows goes to different workers.
>
> 15.5 mpps was the performance we achieved with 8 worker cores, 1 Rx core
> and 1 TX core using sample application.
>
> Thanks,
> Reshma
>
prev parent reply other threads:[~2014-10-12 8:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-09 17:59 Wang, Shawn
2014-10-10 7:47 ` Pattan, Reshma
2014-10-10 21:06 ` Wang, Shawn
2014-10-12 9:00 ` Pattan, Reshma [this message]
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