From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Heffner Subject: Re: [PATCH 0/9]: TCP: The Road to Super TSO Date: Wed, 8 Jun 2005 17:40:10 -0400 Message-ID: <200506081740.11292.jheffner@psc.edu> References: <20050606.210846.07641049.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: netdev@oss.sgi.com, herbert@gondor.apana.org.au Return-path: To: "David S. Miller" In-Reply-To: <20050606.210846.07641049.davem@davemloft.net> Content-Disposition: inline Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Tuesday 07 June 2005 12:08 am, David S. Miller wrote: > Some folks, notable the S2IO guys, get performance degradation > from the Super TSO v2 patch (they get it from the first version > as well). It's a real pain to spot what causes such things > in such a huge patch... so I started splitting things up in > a very fine grained manner so we can catch regressions more > precisely. I'm curious about the details of this. Is there decreased performance relative to current TSO? Relative to no TSO? Sending to just one receiver or many, and is it receiver limited? -John