From: Jakub Kicinski <kuba@kernel.org>
To: Yunsheng Lin <linyunsheng@huawei.com>
Cc: <davem@davemloft.net>, <olteanv@gmail.com>, <ast@kernel.org>,
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Subject: Re: [PATCH net-next v2 0/3] Some optimization for lockless qdisc
Date: Thu, 3 Jun 2021 11:35:48 -0700 [thread overview]
Message-ID: <20210603113548.2d71b4d3@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> (raw)
In-Reply-To: <1622684880-39895-1-git-send-email-linyunsheng@huawei.com>
On Thu, 3 Jun 2021 09:47:57 +0800 Yunsheng Lin wrote:
> Patch 1: remove unnecessary seqcount operation.
> Patch 2: implement TCQ_F_CAN_BYPASS.
> Patch 3: remove qdisc->empty.
>
> Performance data for pktgen in queue_xmit mode + dummy netdev
> with pfifo_fast:
>
> threads unpatched patched delta
> 1 2.60Mpps 3.21Mpps +23%
> 2 3.84Mpps 5.56Mpps +44%
> 4 5.52Mpps 5.58Mpps +1%
> 8 2.77Mpps 2.76Mpps -0.3%
> 16 2.24Mpps 2.23Mpps +0.4%
>
> Performance for IP forward testing: 1.05Mpps increases to
> 1.16Mpps, about 10% improvement.
Acked-by: Jakub Kicinski <kuba@kernel.org>
next prev parent reply other threads:[~2021-06-03 18:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-03 1:47 [PATCH net-next v2 0/3] Some optimization for lockless qdisc Yunsheng Lin
2021-06-03 1:47 ` [PATCH net-next v2 1/3] net: sched: avoid unnecessary seqcount operation " Yunsheng Lin
2021-06-03 1:47 ` [PATCH net-next v2 2/3] net: sched: implement TCQ_F_CAN_BYPASS " Yunsheng Lin
2021-06-03 1:48 ` [PATCH net-next v2 3/3] net: sched: remove qdisc->empty " Yunsheng Lin
2021-06-03 18:35 ` Jakub Kicinski [this message]
2021-06-08 12:53 ` [PATCH net-next v2 0/3] Some optimization " Vladimir Oltean
2021-06-09 1:31 ` Yunsheng Lin
2021-06-09 16:20 ` Jakub Kicinski
2021-06-15 23:29 ` Vladimir Oltean
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