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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>
Subject: Re: [dpdk-dev] [PATCH] vhost: adaptively batch small guest memory copies
Date: Mon, 28 Aug 2017 08:31:23 +0200	[thread overview]
Message-ID: <20170828063123.l2eu7cetbr537boc@localhost.localdomain> (raw)
In-Reply-To: <20170824021939.21306-1-tiwei.bie@intel.com>

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 

  reply	other threads:[~2017-08-28  6:31 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-24  2:19 Tiwei Bie
2017-08-28  6:31 ` Jens Freimann [this message]
2017-08-28 11:41   ` Yao, Lei A
2017-09-01  9:45 ` Maxime Coquelin
2017-09-01 10:33   ` Tiwei Bie
2017-09-07 17:47 ` Maxime Coquelin
2017-09-08  0:48   ` Tiwei Bie
2017-09-08  7:41 ` Yuanhan Liu
2017-09-08 10:38   ` Tiwei Bie
2017-09-08 12:50 ` [dpdk-dev] [PATCH v2] " Tiwei Bie
2017-09-09 14:58   ` santosh
2017-09-11  1:27     ` Tiwei Bie
2017-09-11 12:06     ` Yuanhan Liu

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