From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lennert Buytenhek Subject: Re: 1.03Mpps on e1000 (was: Re: [E1000-devel] Transmission limit) Date: Sun, 5 Dec 2004 18:44:01 +0100 Message-ID: <20041205174401.GJ647@xi.wantstofly.org> References: <20041130134600.GA31515@xi.wantstofly.org> <1101824754.1044.126.camel@jzny.localdomain> <20041201001107.GE4203@xi.wantstofly.org> <1101863399.4663.54.camel@sfeldma-mobl.dsl-verizon.net> <20041201182943.GA14470@xi.wantstofly.org> <20041201213550.GF14470@xi.wantstofly.org> <1101967983.4782.9.camel@localhost.localdomain> <20041205145051.GA647@xi.wantstofly.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Scott Feldman , jamal , Robert Olsson , P@draigBrady.com, mellia@prezzemolo.polito.it, e1000-devel@lists.sourceforge.net, Jorge Manuel Finochietto , Giulio Galante , netdev@oss.sgi.com Return-path: To: Martin Josefsson Content-Disposition: inline In-Reply-To: Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Sun, Dec 05, 2004 at 04:42:34PM +0100, Martin Josefsson wrote: > The delayed TDT updating was a test and currently it delays the first tx'd > packet after a timerrun 1ms. > > Would be interesting to see what other people get with this thing. > Lennert? I took Scott's notxints patch, added the prefetch bits and moved the TDT updating to e1000_clean_tx as you did. Slightly better than before, but not much: 60 1070157 61 1066610 62 1062088 63 991447 64 991546 65 991537 66 991449 67 990857 68 989882 69 991347 Regular TDT updating: 60 1037469 61 1038425 62 1037393 63 993143 64 992156 65 993137 66 992203 67 992165 68 992185 69 988249 --L