From: "Chris Friesen" <cfriesen@nortel.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Renzo Davoli <renzo@cs.unibo.it>, linux-kernel@vger.kernel.org
Subject: Re: New Address Family: Inter Process Networking (IPN)
Date: Thu, 06 Dec 2007 17:42:13 -0600 [thread overview]
Message-ID: <475888D5.7010407@nortel.com> (raw)
In-Reply-To: <20071206230611.GK20595@one.firstfloor.org>
Andi Kleen wrote:
> On Thu, Dec 06, 2007 at 05:02:40PM -0600, Chris Friesen wrote:
>>I just reran on a 3.2GHZ P4 running 2.6.11 (Fedora Core 4). 42% latency
>>increase.
> Sounds like something that should be looked into. I know of no
> principal reasons for that.
>>For stream sockets, unix gives approximately a 62% bandwidth increase
>>over tcp. (Although tcp could probably be tuned to do better than this.)
> How long a stream did you test? You might be measuring slow start.
No idea. These are just the standard local networking tests in lmbench
v2. In our case the latency was the big concern and we were using
datagrams anyway.
Chris
next prev parent reply other threads:[~2007-12-06 23:42 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-05 16:40 New Address Family: Inter Process Networking (IPN) Renzo Davoli
2007-12-05 21:55 ` Stephen Hemminger
2007-12-06 5:38 ` Renzo Davoli
2007-12-06 5:43 ` Renzo Davoli
2007-12-06 6:04 ` Stephen Hemminger
2007-12-05 23:39 ` Andi Kleen
2007-12-06 5:30 ` Renzo Davoli
2007-12-06 6:19 ` Kyle Moffett
2007-12-06 6:59 ` David Newall
2007-12-06 16:34 ` Andi Kleen
2007-12-06 22:21 ` David Newall
2007-12-06 22:42 ` Andi Kleen
2007-12-06 16:35 ` Andi Kleen
2007-12-06 20:36 ` Chris Friesen
2007-12-06 21:26 ` Andi Kleen
2007-12-06 21:49 ` Chris Friesen
2007-12-06 22:07 ` Andi Kleen
2007-12-06 22:18 ` Renzo Davoli
2007-12-06 22:38 ` Andi Kleen
2007-12-07 0:18 ` Renzo Davoli
2007-12-06 23:02 ` Chris Friesen
2007-12-06 23:06 ` Andi Kleen
2007-12-06 23:42 ` Chris Friesen [this message]
2007-12-07 3:41 ` David Miller
2007-12-07 4:21 ` Chris Friesen
2007-12-07 4:54 ` Ben Pfaff
2007-12-07 6:40 ` David Miller
2007-12-07 10:03 ` Andi Kleen
2007-12-07 21:18 ` AF_IPN: Inter Process Networking, try these Renzo Davoli
2007-12-08 2:07 ` David Miller
2007-12-10 16:05 ` New Address Family: Inter Process Networking (IPN) Chris Friesen
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