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From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: "Yang, Zhiyong" <zhiyong.yang@intel.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Richardson, Bruce" <bruce.richardson@intel.com>,
	"Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"Pierre Pfister (ppfister)" <ppfister@cisco.com>
Subject: Re: [dpdk-dev] [PATCH 0/4] eal/common: introduce rte_memset and related test
Date: Wed, 7 Dec 2016 17:48:20 +0800	[thread overview]
Message-ID: <20161207094820.GI31182@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <E182254E98A5DA4EB1E657AC7CB9BD2A3EB4CE07@BGSMSX101.gar.corp.intel.com>

On Wed, Dec 07, 2016 at 09:43:06AM +0000, Yang, Zhiyong wrote:
> > On Wed, Dec 07, 2016 at 09:28:17AM +0000, Yang, Zhiyong wrote:
> > > > >> Wouldn't be worth to also use rte_memset in Virtio PMD (not
> > > > >> compiled/tested)? :
> > > > >>
> > > > >
> > > > > I think  rte_memset  maybe can bring some benefit here,  but , I'm
> > > > > not clear how to enter the branch and test it. :)
> > > >
> > > > Indeed, you will need Pierre's patch:
> > > > [dpdk-dev] [PATCH] virtio: tx with can_push when VERSION_1 is set
> > 
> > I will apply it shortly.
> > 
> > > > Thanks,
> > > > Maxime
> > > > >
> > > Thank you Maxime.
> > > I can see a little, but not obviously  performance improvement here.
> > 
> > Are you you have run into that code piece? FYI, you have to enable virtio 1.0
> > explicitly, which is disabled by deafault.
> 
> Yes. I use the patch from Pierre and set offload  = 0 ; 

I meant virtio 1.0. Have you added following options for the QEMU virtio-net
device?

    disable-modern=false

	--yliu

  reply	other threads:[~2016-12-07  9:47 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-05  8:26 Zhiyong Yang
2016-12-02 10:00 ` Maxime Coquelin
2016-12-06  6:33   ` Yang, Zhiyong
2016-12-06  8:29     ` Maxime Coquelin
2016-12-07  9:28       ` Yang, Zhiyong
2016-12-07  9:37         ` Yuanhan Liu
2016-12-07  9:43           ` Yang, Zhiyong
2016-12-07  9:48             ` Yuanhan Liu [this message]
2016-12-05  8:26 ` [dpdk-dev] [PATCH 1/4] eal/common: introduce rte_memset on IA platform Zhiyong Yang
2016-12-02 10:25   ` Thomas Monjalon
2016-12-08  7:41     ` Yang, Zhiyong
2016-12-08  9:26       ` Ananyev, Konstantin
2016-12-08  9:53         ` Yang, Zhiyong
2016-12-08 10:27           ` Bruce Richardson
2016-12-08 10:30           ` Ananyev, Konstantin
2016-12-11 12:32             ` Yang, Zhiyong
2016-12-15  6:51               ` Yang, Zhiyong
2016-12-15 10:12                 ` Bruce Richardson
2016-12-16 10:19                   ` Yang, Zhiyong
2016-12-19  6:27                     ` Yuanhan Liu
2016-12-20  2:41                       ` Yao, Lei A
2016-12-15 10:53                 ` Ananyev, Konstantin
2016-12-16  2:15                   ` Yang, Zhiyong
2016-12-16 11:47                     ` Ananyev, Konstantin
2016-12-20  9:31                       ` Yang, Zhiyong
2016-12-08 15:09       ` Thomas Monjalon
2016-12-11 12:04         ` Yang, Zhiyong
2016-12-27 10:04   ` [dpdk-dev] [PATCH v2 0/4] eal/common: introduce rte_memset and related test Zhiyong Yang
2016-12-27 10:04     ` [dpdk-dev] [PATCH v2 1/4] eal/common: introduce rte_memset on IA platform Zhiyong Yang
2016-12-27 10:04     ` [dpdk-dev] [PATCH v2 2/4] app/test: add functional autotest for rte_memset Zhiyong Yang
2016-12-27 10:04     ` [dpdk-dev] [PATCH v2 3/4] app/test: add performance " Zhiyong Yang
2016-12-27 10:04     ` [dpdk-dev] [PATCH v2 4/4] lib/librte_vhost: improve vhost perf using rte_memset Zhiyong Yang
2017-01-09  9:48     ` [dpdk-dev] [PATCH v2 0/4] eal/common: introduce rte_memset and related test Yang, Zhiyong
2017-01-17  6:24       ` Yang, Zhiyong
2017-01-17 20:14         ` Thomas Monjalon
2017-01-18  0:15           ` Vincent JARDIN
2017-01-18  2:42           ` Yang, Zhiyong
2017-01-18  7:42             ` Thomas Monjalon
2017-01-19  1:36               ` Yang, Zhiyong
2016-12-05  8:26 ` [dpdk-dev] [PATCH 2/4] app/test: add functional autotest for rte_memset Zhiyong Yang
2016-12-05  8:26 ` [dpdk-dev] [PATCH 3/4] app/test: add performance " Zhiyong Yang
2016-12-05  8:26 ` [dpdk-dev] [PATCH 4/4] lib/librte_vhost: improve vhost perf using rte_memset Zhiyong Yang
2016-12-02  9:46   ` Thomas Monjalon
2016-12-06  8:04     ` Yang, Zhiyong

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