netdev - Re: [RFC PATCH net-next 2/8] sfc: batch up RX delivery on EF10

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Message-ID: <1461088926.10638.223.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Tue, 19 Apr 2016 11:02:06 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Edward Cree <ecree@...arflare.com>
Cc:	netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
	Jesper Dangaard Brouer <brouer@...hat.com>,
	linux-net-drivers@...arflare.com
Subject: Re: [RFC PATCH net-next 2/8] sfc: batch up RX delivery on EF10

On Tue, 2016-04-19 at 18:42 +0100, Edward Cree wrote:

> Well, I don't know how to achieve that, but it sounds like you do, so why
> not go ahead and show us ;)
> If you submitted a patch series to make UDP twice as fast, I think people
> would "really care" about an improvement of that magnitude.

Yes I definitely can do that, but Google uses SO_REUSEPORT so we do not
care at all consuming more cycles, if we still can absorb the load.

Just try it, and you'll reach 10 Mpps just fine.