From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from masada.superduper.net (unknown [IPv6:2001:ba8:1f1:f263::2]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id 60F8F21F16D for ; Sun, 31 May 2015 22:17:19 -0700 (PDT) Received: from 199-116-72-167.public.monkeybrains.net ([199.116.72.167] helo=[192.168.0.17]) by masada.superduper.net with esmtpsa (TLS1.0:RSA_ARCFOUR_MD5:128) (Exim 4.80) (envelope-from ) id 1YzI5W-0002UK-DM; Mon, 01 Jun 2015 06:16:40 +0100 From: Simon Barber To: Jonathan Morton , Dave Taht Date: Sun, 31 May 2015 22:16:35 -0700 Message-ID: <14dad8cbb98.27f7.e972a4f4d859b00521b2b659602cb2f9@superduper.net> In-Reply-To: References: User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 AquaMail/1.5.0.19 (build: 2100846) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----------14dad8cce0a166627f743ba2d78" X-Spam-Score: -2.9 (--) Cc: aqm@ietf.org, bloat Subject: Re: [Bloat] [aqm] big science discovers sch_fq and pacing X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Jun 2015 05:18:52 -0000 This is a multi-part message in MIME format. ------------14dad8cce0a166627f743ba2d78 Content-Type: text/plain; charset="us-ascii"; format=flowed Content-Transfer-Encoding: 8bit Why would disabling TSO would have such a large impact when he also states that there is 32MB of buffer? Simon Sent with AquaMail for Android http://www.aqua-mail.com On May 31, 2015 10:08:24 PM Jonathan Morton wrote: > My favourite part of that is "disabling TSO leads to a doubling in > throughput". In precisely the sort of situation that TSO was intended to > help throughput. > > - Jonathan Morton > > > > ---------- > _______________________________________________ > aqm mailing list > aqm@ietf.org > https://www.ietf.org/mailman/listinfo/aqm > ------------14dad8cce0a166627f743ba2d78 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: 8bit

Why would disabling TSO would have such a large impact when he also states that there is 32MB of buffer?

Simon

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On May 31, 2015 10:08:24 PM Jonathan Morton <chromatix99@gmail.com> wrote:

My favourite part of that is "disabling TSO leads to a doubling in throughput". In precisely the sort of situation that TSO was intended to help throughput.

- Jonathan Morton

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