From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tiwei Bie <tiwei.bie@intel.com>
Subject: Re: [PATCH v3] vhost: batch used descs chains write-back
 with packed ring
Date: Thu, 20 Dec 2018 18:07:56 +0800
Message-ID: <20181220100756.GA22164@dpdk-tbie.sh.intel.com>
References: <20181220100022.3531-1-maxime.coquelin@redhat.com>
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To: Maxime Coquelin <maxime.coquelin@redhat.com>
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On Thu, Dec 20, 2018 at 11:00:22AM +0100, 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 | 19 +++++++++++++++++--
>  1 file changed, 17 insertions(+), 2 deletions(-)

Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>