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From: David Marchand <david.marchand@redhat.com>
To: "Rong, Leyi" <leyi.rong@intel.com>
Cc: "Zhang, Qi Z" <qi.z.zhang@intel.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] examples/l3fwd: enable multiple Tx queues on a lcore
Date: Wed, 4 Nov 2020 09:43:25 +0100	[thread overview]
Message-ID: <CAJFAV8yQ_kPdH2z=1Z7wtwiivfrEePmXZhb4xHtfZNFW_hM67g@mail.gmail.com> (raw)
In-Reply-To: <SN6PR11MB26214DCC6A9B963A30BB1216ECEF0@SN6PR11MB2621.namprd11.prod.outlook.com>

On Wed, Nov 4, 2020 at 9:34 AM Rong, Leyi <leyi.rong@intel.com> wrote:
> > -----Original Message-----
> > From: David Marchand <david.marchand@redhat.com>
> > Sent: Wednesday, November 4, 2020 4:14 PM
> > To: Rong, Leyi <leyi.rong@intel.com>
> > Cc: Zhang, Qi Z <qi.z.zhang@intel.com>; dev <dev@dpdk.org>
> > Subject: Re: [PATCH] examples/l3fwd: enable multiple Tx queues on a lcore
> >
> > If I count well, this is the v3 of the patch.
> > Please version your patches.
>
> The previous versions are set to superseded. As nothing changes with content
> on those versions, can start from this version?

The commitlog changes even if the code itself did not change, so this
is a different patch.
Different patches mean different versions.
This shows that some work happened since the v1 submission.


> As there always has thoughput limit for per queue, on some performance test case by using l3fwd,
> the result will limited by the per queue thoughput limit. With multiple Tx queue enabled, the per
> queue thoughput limit can be eliminated if the CPU core is not the bottleneck.

Ah interesting.
Which nic has such limitations?
How much of an improvement can be expected from this?


-- 
David Marchand


  reply	other threads:[~2020-11-04  8:43 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-04  7:28 Leyi Rong
2020-11-04  8:14 ` David Marchand
2020-11-04  8:34   ` Rong, Leyi
2020-11-04  8:43     ` David Marchand [this message]
2020-11-04  9:04       ` Rong, Leyi
2020-11-05  7:14         ` Jerin Jacob
2020-11-05  9:24           ` Rong, Leyi
2021-03-24 17:23             ` Thomas Monjalon
2021-03-25  5:38               ` Rong, Leyi
2021-03-25  8:10                 ` Thomas Monjalon
  -- strict thread matches above, loose matches on Subject: below --
2020-11-02  8:12 Leyi Rong
2020-11-02  8:44 ` David Marchand
2020-11-02  5:29 Leyi Rong

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