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From: Ali Alnubani <alialnu@nvidia.com>
To: David Marchand <david.marchand@redhat.com>, Olivier Matz
 <olivier.matz@6wind.com>, Ferruh Yigit <ferruh.yigit@intel.com>,
 "zhaoyan.chen@intel.com" <zhaoyan.chen@intel.com>
CC: dev <dev@dpdk.org>, Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
 "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
 =?iso-8859-1?Q?Morten_Br=F8rup?= <mb@smartsharesystems.com>,
 "ajitkhaparde@gmail.com" <ajitkhaparde@gmail.com>, dpdk stable
 <stable@dpdk.org>, Ajit Khaparde <ajit.khaparde@broadcom.com>, "Slava
 Ovsiienko" <viacheslavo@nvidia.com>, Alexander Kozyrev <akozyrev@nvidia.com>
Thread-Topic: [dpdk-stable] [PATCH v4] mbuf: fix reset on mbuf free
Thread-Index: AQHW6bAGcPdnNJWMgUmYIFaIdvkI4aoougMAgABAexWABHC5AA==
Date: Mon, 18 Jan 2021 17:52:32 +0000
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References: <20201104170007.8026-1-olivier.matz@6wind.com>
 <20210113132734.1636-1-olivier.matz@6wind.com>,
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Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v4] mbuf: fix reset on mbuf free
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Sender: "dev" <dev-bounces@dpdk.org>

Hi,
(Sorry had to resend this to some recipients due to mail server problems).

Just confirming that I can still reproduce the regression with single core =
and 64B frames on other servers.

- Ali

> -----Original Message-----
> From: Ali Alnubani <alialnu@nvidia.com>
> Sent: Friday, January 15, 2021 8:39 PM
> To: David Marchand <david.marchand@redhat.com>; Olivier Matz
> <olivier.matz@6wind.com>; Ferruh Yigit <ferruh.yigit@intel.com>;
> zhaoyan.chen@intel.com
> Cc: dev <dev@dpdk.org>; Andrew Rybchenko
> <andrew.rybchenko@oktetlabs.ru>; Ananyev, Konstantin
> <konstantin.ananyev@intel.com>; Morten Br=F8rup
> <mb@smartsharesystems.com>; ajitkhaparde@gmail.com; dpdk stable
> <stable@dpdk.org>; Ajit Khaparde <ajit.khaparde@broadcom.com>
> Subject: Re: [dpdk-stable] [PATCH v4] mbuf: fix reset on mbuf free
>=20
> Hi,
> Adding Ferruh and Zhaoyan,
>=20
> > Ali,
> >
> > You reported some performance regression, did you confirm it?
> > If I get no reply by monday, I'll proceed with this patch.
>=20
> Sure I'll confirm by Monday.
>=20
> Doesn't the regression also reproduce on the Lab's Intel servers?
> Even though the check iol-intel-Performance isn't failing, I can see that=
 the
> throughput differences from expected for this patch are less than those o=
f
> another patch that was tested only 20 minutes earlier. Both patches were
> applied to the same tree:
>=20
> https://mails.dpdk.org/archives/test-report/2021-January/173927.html
> > | 64         | 512     | 1.571                               |
>=20
> https://mails.dpdk.org/archives/test-report/2021-January/173919.html
> > | 64         | 512     | 2.698                               |
>=20
> Assuming that pw86457 doesn't have an effect on this test, it looks to me
> that this patch caused a regression in Intel hardware as well.
>=20
> Can someone update the baseline's expected values for the Intel NICs and
> rerun the test on this patch?
>=20
> Thanks,
> Ali