linux-kernel - Re: New Address Family: Inter Process Networking (IPN)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 06 Dec 2007 17:02:40 -0600
From:	"Chris Friesen" <cfriesen@...tel.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Renzo Davoli <renzo@...unibo.it>, linux-kernel@...r.kernel.org
Subject: Re: New Address Family: Inter Process Networking (IPN)

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/