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
next prev parent 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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