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Date: Mon, 28 Aug 2017 08:31:23 +0200
From: Jens Freimann <jfreimann@redhat.com>
To: Tiwei Bie <tiwei.bie@intel.com>
Cc: dev@dpdk.org, yliu@fridaylinux.org, maxime.coquelin@redhat.com,
 Zhihong Wang <zhihong.wang@intel.com>,
 Zhiyong Yang <zhiyong.yang@intel.com>
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 (mx1.redhat.com [10.5.110.39]); Mon, 28 Aug 2017 06:31:28 +0000 (UTC)
Subject: Re: [dpdk-dev] [PATCH] vhost: adaptively batch small guest memory
 copies
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Hi Tiwei,

On Thu, Aug 24, 2017 at 10:19:39AM +0800, Tiwei Bie wrote:
>This patch adaptively batches the small guest memory copies.
>By batching the small copies, the efficiency of executing the
>memory LOAD instructions can be improved greatly, because the
>memory LOAD latency can be effectively hidden by the pipeline.
>We saw great performance boosts for small packets PVP test.

this sounds interesting. Do you have numbers showing how much
performance improved for small packets?

regards,
Jens