netdev - Re: TCP 2MSL on loopback

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Date:	Tue, 06 Mar 2007 15:22:37 -0800
From:	Howard Chu <hyc@...as.com>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
CC:	David Miller <davem@...emloft.net>, rick.jones2@...com,
	dada1@...mosbay.com, netdev@...r.kernel.org
Subject: Re: TCP 2MSL on loopback

Stephen Hemminger wrote:
> TCP can not assume anything about the path that a packet may take.
> We have declared a moratorium on loopback benchmark foolishness.
> Go optimize the idle loop instead ;-)
Sure - A delay loop with fewer instructions is a worthwhile optimization 
because it has less impact on a CPU's instruction cache...
-- 
   -- Howard Chu
   Chief Architect, Symas Corp.  http://www.symas.com
   Director, Highland Sun        http://highlandsun.com/hyc
   Chief Architect, OpenLDAP     http://www.openldap.org/project/
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