From: Bruce Richardson <bruce.richardson@intel.com>
To: Xueming Li <xuemingl@mellanox.com>
Cc: Wenzhuo Lu <wenzhuo.lu@intel.com>,
Jingjing Wu <jingjing.wu@intel.com>,
Bernard Iremonger <bernard.iremonger@intel.com>,
dev@dpdk.org, Shahaf Shuler <shahafs@mellanox.com>
Subject: Re: [dpdk-dev] [PATCH] app/testpmd: distribute queues to cores
Date: Thu, 14 Jun 2018 11:51:49 +0100 [thread overview]
Message-ID: <20180614105148.GF17264@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <20180526151520.8579-1-xuemingl@mellanox.com>
On Sat, May 26, 2018 at 11:15:20PM +0800, Xueming Li wrote:
> Current topology distribute forwarding streams to lcores by port, this
> make unbalanced loading when port number larger than 2:
> lcore 0: P0Q0->P1Q0, P0Q1->P1Q1
> locre 1: P1Q0->P0Q0, P1Q1->P0Q1
> If only one port has traffic, only one locre get fully loaded and the
> other one get no forwarding. Performance is bad as only one core doing
> forwarding in such case.
>
> This patch distributes forwarding streams by queue, try to get streams
> of each port handled by different lcore:
> lcore 0: P0Q0->P1Q0, P1Q0->P1Q0
> locre 1: P0Q1->P0Q1, P1Q1->P0Q1
>
> Signed-off-by: Xueming Li <xuemingl@mellanox.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
next prev parent reply other threads:[~2018-06-14 10:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-26 15:15 Xueming Li
2018-06-14 10:51 ` Bruce Richardson [this message]
2018-07-12 21:09 ` Thomas Monjalon
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