netdev - Re: [PATCH 0/10 REV5] Implement skb batching and support in IPoIB/E1000

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Date:	Fri, 14 Sep 2007 16:49:07 +0400
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	Krishna Kumar <krkumar2@...ibm.com>
Cc:	herbert@...dor.apana.org.au, hadi@...erus.ca, kaber@...sh.net,
	shemminger@...ux-foundation.org, davem@...emloft.net,
	jagana@...ibm.com, Robert.Olsson@...a.slu.se, rick.jones2@...com,
	xma@...ibm.com, gaagaan@...il.com, netdev@...r.kernel.org,
	rdreier@...co.com, peter.p.waskiewicz.jr@...el.com,
	mcarlson@...adcom.com, jeff@...zik.org, mchan@...adcom.com,
	general@...ts.openfabrics.org, kumarkr@...ux.ibm.com,
	tgraf@...g.ch, randy.dunlap@...cle.com, sri@...ibm.com
Subject: Re: [PATCH 0/10 REV5] Implement skb batching and support in IPoIB/E1000

Hi Krishna.

On Fri, Sep 14, 2007 at 02:30:58PM +0530, Krishna Kumar (krkumar2@...ibm.com) wrote:
> --------
> The retransmission problem reported earlier seems to happen when mthca is
> used as the underlying device, but when I tested ehca the retransmissions
> dropped to normal levels (around 2 times the regular code). The performance
> improvement is around 55% for TCP.

And what about latency for this patchset?

-- 
	Evgeniy Polyakov
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