From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, i.maximets@samsung.com, tiwei.bie@intel.com,
zhihong.wang@intel.com, jfreimann@redhat.com, mst@redhat.com
Subject: Re: [dpdk-dev] [PATCH] vhost: batch used descriptors chains write-back with packed ring
Date: Wed, 12 Dec 2018 10:41:26 +0100 [thread overview]
Message-ID: <35a465b4-6078-0de8-2446-42799d1520e2@redhat.com> (raw)
In-Reply-To: <20181212082403.12002-1-maxime.coquelin@redhat.com>
Sorry, just notice I missed to add v2 to the commit message prefix.
On 12/12/18 9:24 AM, Maxime Coquelin wrote:
> Instead of writing back descriptors chains in order, let's
> write the first chain flags last in order to improve batching.
>
> With Kernel's pktgen benchmark, ~3% performance gain is measured.
>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
> lib/librte_vhost/virtio_net.c | 39 +++++++++++++++++++++--------------
> 1 file changed, 24 insertions(+), 15 deletions(-)
>
next prev parent reply other threads:[~2018-12-12 9:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20181212082505epcas4p36ea3086cfd223aae70a925e946fced48@epcas4p3.samsung.com>
2018-12-12 8:24 ` Maxime Coquelin
2018-12-12 9:41 ` Maxime Coquelin [this message]
2018-12-12 15:23 ` Ilya Maximets
2018-12-12 16:34 ` Maxime Coquelin
2018-12-12 18:53 ` Michael S. Tsirkin
2018-12-19 9:16 ` Maxime Coquelin
2018-12-19 16:10 ` Michael S. Tsirkin
2018-11-28 9:47 Maxime Coquelin
2018-11-28 10:05 ` Jens Freimann
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