netdev - Re: [RFC] New driver API to speed up small packets xmits

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Message-Id: <20070510.133216.95506791.davem@davemloft.net>
Date:	Thu, 10 May 2007 13:32:16 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	vladislav.yasevich@...com
Cc:	ian.mcdonald@...di.co.nz, rick.jones2@...com, krkumar2@...ibm.com,
	johnpol@....mipt.ru, netdev@...r.kernel.org
Subject: Re: [RFC] New driver API to speed up small packets xmits

From: Vlad Yasevich <vladislav.yasevich@...com>
Date: Thu, 10 May 2007 15:21:30 -0400

> The win might be biggest on a system were a lot of applications send
> a lot of small packets.  Some number will aggregate in the prio
> queue and then get shoved into a driver in one go.
>
> But...  this is all conjecture until we see the code.

Also, whatever you gain in cpu usage you'll lose in latency.

And things sending tiny frames are exactly the ones that care about
latency.
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