netdev - Re: [WIP][PATCHES] Network xmit batching

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Message-ID: <46699928.9060504@hp.com>
Date:	Fri, 08 Jun 2007 11:00:08 -0700
From:	Rick Jones <rick.jones2@...com>
To:	Krishna Kumar2 <krkumar2@...ibm.com>
Cc:	hadi@...erus.ca, David Miller <davem@...emloft.net>,
	Gagan Arneja <gaagaan@...il.com>,
	Evgeniy Polyakov <johnpol@....mipt.ru>, netdev@...r.kernel.org,
	Robert Olsson <Robert.Olsson@...a.slu.se>,
	Sridhar Samudrala <sri@...ibm.com>
Subject: Re: [WIP][PATCHES] Network xmit batching

>>Also note something else strange that it is kind of strange that
>>something like UDP which doesnt backoff will send out less
>>packets/second ;->
> 
> 
> Cannot explain that either :)

Perhaps delays in restarting after the intra-stack flow control is 
asserted.  One possible thing to do to try to deal with that a little 
would be to increase SO_SNDBUF in netperf with the -s option.  That at 
least is something I did back in 2.4 days

rick jones
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