From: David Miller <davem@davemloft.net>
To: Raghuram.Kothakota@oracle.com
Cc: sowmini.varadhan@oracle.com, netdev@vger.kernel.org
Subject: Re: [PATCH net-next 0/2] sunvnet: Packet processing in non-interrupt context.
Date: Fri, 10 Oct 2014 01:03:20 -0400 (EDT) [thread overview]
Message-ID: <20141010.010320.1545286759850518718.davem@davemloft.net> (raw)
In-Reply-To: <960E9AF5-0319-44C7-9A1C-37EAEE52E78E@oracle.com>
From: Raghuram Kothakota <Raghuram.Kothakota@oracle.com>
Date: Thu, 9 Oct 2014 21:56:45 -0700
> Sorry, I used incorrect terminology in my email. My knowledge of LLTX
> is limited and I am still learning. I was not referring to the LLTX, but about
> the implementation of sunvnet transmit path and receive paths without locks. To me that
> means only one thread of execution exists at a given time and I was
> referring to it as single threadedness, which limits performance on SPARC CMT
> processors today. Using methods to increase parallelism will help especially
> when the traffic involves multiple connections, mainly from the point of view
> of using multiple vCPUs to perform the processing where possible.
Let's not speak in generalities, but rather about specifical
implementations of specific things.
Linux's TX path it fully parallelized and multiqueue, so you can have
as many parallel TX threads of control executing over a specific
device as you can provide TX queues.
next prev parent reply other threads:[~2014-10-10 5:03 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-01 18:56 [PATCH net-next 0/2] sunvnet: Packet processing in non-interrupt context Sowmini Varadhan
2014-10-01 19:10 ` Eric Dumazet
2014-10-01 19:50 ` David Miller
2014-10-01 19:55 ` Sowmini Varadhan
2014-10-01 20:15 ` David Miller
2014-10-01 20:23 ` Sowmini Varadhan
2014-10-01 20:25 ` David Miller
2014-10-02 20:12 ` Sowmini Varadhan
2014-10-02 20:43 ` David Miller
2014-10-03 14:40 ` Sowmini Varadhan
2014-10-03 19:08 ` David Miller
2014-10-06 16:04 ` Sowmini Varadhan
2014-10-06 19:25 ` David Miller
2014-10-06 19:31 ` Sowmini Varadhan
2014-10-06 19:37 ` David Miller
2014-10-10 1:10 ` Raghuram Kothakota
2014-10-10 4:36 ` David Miller
2014-10-10 4:56 ` Raghuram Kothakota
2014-10-10 5:03 ` David Miller [this message]
2014-10-10 5:13 ` Raghuram Kothakota
2014-10-15 14:05 ` sunvnet NAPIfication Sowmini Varadhan
-- strict thread matches above, loose matches on Subject: below --
2014-10-01 20:24 [PATCH net-next 0/2] sunvnet: Packet processing in non-interrupt context Sowmini Varadhan
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