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 17:02:40 -0600 [thread overview]
Message-ID: <47587F90.8010400@nortel.com> (raw)
In-Reply-To: <20071206220754.GF20595@one.firstfloor.org>
Andi Kleen wrote:
>>On a 1.4GHz P4 I measured a 44% increase in latency between a unix
>>datagram and a UDP datagram.
> That's weird.
I just reran on a 3.2GHZ P4 running 2.6.11 (Fedora Core 4). 42% latency
increase.
For stream sockets, unix gives approximately a 62% bandwidth increase
over tcp. (Although tcp could probably be tuned to do better than this.)
Chris
next prev parent reply other threads:[~2007-12-06 23:03 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 [this message]
2007-12-06 23:06 ` Andi Kleen
2007-12-06 23:42 ` Chris Friesen
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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