From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-x242.google.com (mail-wm0-x242.google.com [IPv6:2a00:1450:400c:c09::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 0B5523B2A3 for ; Sun, 12 Feb 2017 12:15:07 -0500 (EST) Received: by mail-wm0-x242.google.com with SMTP id r18so15089684wmd.3 for ; Sun, 12 Feb 2017 09:15:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=D3aSTadHpH5I4/7fhckPhfM4362ASx69Lp8ek6MQXqo=; b=FGjQgYsUOJGUL6ag4HXGY1/10JxHJO7ttHRRSjD9Jpv+IOsJR0eMwx5Wa4Bx1UOlxi fUK/3wC0jkCBwSQW29N0sXpRLkVRJlnwCtVTl0MGp3OWchhnTc3UJsUn5uTrbpxjnFz8 O7JdcnaeTOa090vhQRmRYz4cfxJwVuN4Zb1yoXMk/r3+/GWI8TPPskfto17eFi/giSRo Gj05+63c+PqPY9/wZylp/WyUUcN4lJxdDNpkNdlbR1l4J6i8qyq8IdlWv5/hlWGv2RKU EVC1WO+uBdPCcEAvLuqZz/CyuDaSsZGimhvnoVjulJEPQlOb05MwN6rvHykpEsO+BWAx CwMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=D3aSTadHpH5I4/7fhckPhfM4362ASx69Lp8ek6MQXqo=; b=aJ1DYnWwV/XR0gFPhlOHAsZOkrkSRfyjGeWGO3zHUFg4n7rUwoZFyOtFN/R59m1lw1 B7rGM7wtXHLERySPOTUxj63G4TXqvV/HmAzMikeU91dBqygmvSQKvDt4GoSoKURBVhzA uDwizhJITGRhbWLma21mc4pK8w/0aK3Kr68KDoI0NgQgY3w9SXXJibtOP3+vnLCNwkgL ZggINuzPeUSPMVr4GJ9gbdPU0oesxuaGRetdiwsGIIUJ7HzUp4UltmmFcyvZQNDhafaz ptAh/+Dx5bM9TeZbEa5jus1jdnevbe+/6MBZEyyKqtdBmN7bT1ywe71d2yDK55I/Wdhd erIA== X-Gm-Message-State: AMke39mmDO3Tfb3R1uEM1a16r4xx2CJHB0xqmMwgot6qh4IknR3kvBkfUfoCT5T43tauFg== X-Received: by 10.28.170.211 with SMTP id t202mr16002359wme.71.1486919706462; Sun, 12 Feb 2017 09:15:06 -0800 (PST) Received: from [10.72.0.34] (h-1169.lbcfree.net. [185.99.119.68]) by smtp.gmail.com with ESMTPSA id w127sm2035522wmg.30.2017.02.12.09.15.05 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 12 Feb 2017 09:15:05 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: Pete Heist In-Reply-To: <91B87669-0F79-4D03-BB37-8A25E9695ABE@gmail.com> Date: Sun, 12 Feb 2017 18:15:14 +0100 Cc: Cake List Content-Transfer-Encoding: quoted-printable Message-Id: References: <459B9F17-317F-465E-8D2F-361CF47E5F32@gmail.com> <3D9E1A43-0182-4A1F-8262-6F587A79254E@gmail.com> <830143EE-20F2-42A5-A4FC-ECE7DF50C632@gmail.com> <652AA7A2-60C5-460F-AE60-CF4CB1D1D781@gmail.com> <5BE2A225-4B9C-4F0F-ACC5-C23CCC873DF5@gmail.com> <4B18C549-4CEF-4275-B9B3-CB8A046EB4EC@gmail.com> <856BB65A-569E-4633-B104-5E3BD15B649F@gmail.com> <70520D3D-D381-44DC-A789-BB1E24FBE3F4@gmx.de> <531AF998-D1B2-43A6-A55B-F0471C0164E1@gmail.com> <967D2491-5DB5-45CC-B4C5-E8FF48743504@gmail.com> <8305DE32-10AB-42C3-8D08-5FF3391914BF@gmail.com> <91B87669-0F79-4D03-BB37-8A25E9695ABE@gmail.com> To: Jonathan Morton X-Mailer: Apple Mail (2.3124) Subject: Re: [Cake] Cake latency update X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Feb 2017 17:15:08 -0000 > On Feb 12, 2017, at 5:41 PM, Jonathan Morton = wrote: >=20 >> On 12 Feb, 2017, at 16:12, Pete Heist wrote: >>=20 >> 2) Using a 1.25 GHz Mac Mini PPC G4 I have laying around. I = successfully ran fq_codel for ADSL on that box in the past, but at 5 / = 0.5 Mbps. Accurate Flent results running Cake at 80 Mbps? Timer issues? >=20 > That should be absolutely fine at 80Mbps. PowerPC Macs seem to have = good hi-res timers in my experience, and the Sun GEM is a relatively = good NIC. The main limitation is that it=E2=80=99s PCI rather than = PCIe, so it can=E2=80=99t reach the full GigE line rate, but it does go = well above 100Mbps. >=20 > Don=E2=80=99t worry about BQL, since you=E2=80=99re not relying on NIC = backpressure to control queuing. Ok, good news, then that=E2=80=99s the way I=E2=80=99ll go! Thanks for = that, more results later... Pete