From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.17.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id A50693B2A4 for ; Sat, 29 Oct 2022 12:53:35 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1667062411; bh=JhaIx++TFoli0Wz8P5fOPT8aDX3sPzdCAqtUfUNFV/8=; h=X-UI-Sender-Class:Subject:From:In-Reply-To:Date:Cc:References:To; b=AxZ+tz1eQPchm3APqwd9O+piyj/tenhue3NOvN4skoSss4P4Rn74wfw5YEM3rdgLv suHB2IhNUha5uzoX3Pxy/So1MPf7o5KQpvlrbdIUGSN8Zgq0u6GI5X0JbNeF+2D+Mm i9hoiGtjtt+7aKiysaQ1yT4nqoAuc+bvnU1ukZzuSdbwE1S8YAb1ZI+kJ6JwFb4s9R Dij9CjyGIgzfcMspsrUIV0KVB/COj0LNMMgUla2Q1ufkXd+n/A9NOx4BgnMcAFJ7X7 GcN2IH8UMBI9it7avXIBfU5foMwKNwhRwrmoRRHwPYOXvgeaGpqR9EVLY5KVLGzkV3 Rs4pHjyqKgEXA== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from smtpclient.apple ([77.0.146.253]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mwfac-1p0Pej3Ii2-00y7Mk; Sat, 29 Oct 2022 18:53:31 +0200 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.1\)) From: Sebastian Moeller In-Reply-To: Date: Sat, 29 Oct 2022 18:53:31 +0200 Cc: Rpm Content-Transfer-Encoding: quoted-printable Message-Id: References: To: "jf@jonathanfoulkes.com" X-Mailer: Apple Mail (2.3696.120.41.1.1) X-Provags-ID: V03:K1:1yw42jC5pOEcv6lAW9Ph76XCV19toUCOyUnEZKaLeV0UZ+DvHGY xdojjCK4RlqY/pi1Aho8zckROk0Xx6ezazCQ1loDqsSV9LSbUJgiAoeIYyZ8+lM/qLsKgHh M+oIM/2+8V7HUO/10Xpxl1sMNzVOJbcjvH4vePiykr/TtUaUKbnBv1NPzfyz9cpdWsx3dYM Yt2oUeoTOxv8M86wfmZIQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:WpQuaZ3LFXA=;9wKhpx+9i+k8D3q9suIuiaUYYjQ s6sIXugFmynFZ0Stc94PvwEy7vgT9CgaG1qHJeZwIkUhieAIEdR8iH4gJTj4436QN9woI6GFg 8I0vE58dQH0/hcO6X6199atwOfXT6HVcCgBUh6INkDhKL99ZoftqQijDFhNJfsTqBwazqCOML gGfUfOYEOq9rHqIl5MD+auUOJH2dxwuE9DkLQBzb41Ie+kHoABJKZXpGIZiye37Z5LtuwCj25 /un8WhsU+gBwSd+R1AGktjuYSvqijvy4QKIo0SYLyLidtgQm3nvf76a3IsD9omlVj/wWmf4VG QdTQjxBXYBnFNL8NvUTYLiVx1ishCsunfscyRtjIUU2IPBeIKl5iT5snLAfGDxs3WqzeH6xHQ luMI0nYuywxxjfDd2ks1aYOCkD2raSeklw+9GE/BYJA97XtWxDWBvTvZxbLknAMjxN4kAKK5b qS1P0V8TSuTGapkoEyLTG6JsrbOC+4mRfp+YI77USf3RvER5gHcUpNGqd0jWkjWoWuh0X8e1y fwgMu0Ocwe7XE6WSr886P6Cb2fMw4mXfysbs2z86gQVWLty9R8cFSdWWgkeYz7vzdpCHt/Pm5 x96XPORIVqcZAy2dj/o5h0UHWfpUnE83tAwiijwAz4wmAGro/hFs1oHpr2/2cxh8ERPZxiSvC 0ptKqpWMEhzRKXaaLdXspJTUonCpudxCOhGwXBmIGqVXn0OR/lczyCf/3Qt0E1G3ytOPnr4GE lHoaOOeH1eUDB4tbR7hCUokfytqjR4q/mKOvDHG9voxMTmHeEFpqY+8N61Jcx+XgwHcuVQxGx YjWOVtotU3/jpwiF7RsCyKXCRRsOwpNKrqgP5kpkOfn9NVCEuWsYAlYxdS8BK+ewFkPqToyiG e5CPRwQ9WSW5ZcLgBbeGittyQIGLjrj8kaypGRtlEHbBeEPh3cCoF+/ygxS6TrICMjJyiZmH6 vNIbXX0QWUue+mZmiOjIoZsGpW8= Subject: Re: [Rpm] Changes to RPM calculation for MacOS Ventura? X-BeenThere: rpm@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: revolutions per minute - a new metric for measuring responsiveness List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Oct 2022 16:53:36 -0000 Hi Jonathan, > On Oct 28, 2022, at 23:45, jf--- via Rpm = wrote: >=20 > Hopefully, Christoph can provide some details on the changes from the = prior networkQuality test, as we=E2=80=99re seeing some pretty large = changes in results for the latest RPM tests. >=20 > Where before we=E2=80=99d see results in the >1,500 RPM (and multiple = >2,000 RPM results) for a DOCSIS 3.1 line with QoS enabled (180 down/35 = up), it now returns peak download RPM of ~600 and ~800 for upload. >=20 > latest results: >=20 > =3D=3D=3D=3D SUMMARY =3D=3D=3D=3D > Uplink capacity: 25.480 Mbps (Accuracy: High) > Downlink capacity: 137.768 Mbps (Accuracy: High) > Uplink Responsiveness: Medium (385 RPM) (Accuracy: High) > Downlink Responsiveness: Medium (376 RPM) (Accuracy: High) > Idle Latency: 43.875 milli-seconds (Accuracy: High) > Interface: en8 > Uplink bytes transferred: 35.015 MB > Downlink bytes transferred: 154.649 MB > Uplink Flow count: 16 > Downlink Flow count: 12 > Start: 10/28/22, 5:12:30 PM > End: 10/28/22, 5:12:54 PM > OS Version: Version 13.0 (Build 22A380) >=20 > Latencies (as monitored via PingPlotter) stay absolutely steady during = these tests, >=20 > So unless my ISP coincidentally started having major service issues, = I=E2=80=99m scratching my head as to why. >=20 > For contrast, the Ookla result is as follows: = https://www.speedtest.net/result/13865976456 with 15ms down, 18ms up = loaded latencies. [SM] Ookla, IIRC, reports the inter-quartil mean values so the = mean of the "central" 50% of the latency samples. >=20 > Further machine details: MacBook Pro 16=E2=80=9D (2019) using a USB-C = to Ethernet adapter. > I run with full ECN enabled: > sudo sysctl -w net.inet.tcp.disable_tcp_heuristics=3D1=20 >=20 > sudo sysctl -w net.inet.tcp.ecn_initiate_out=3D1 >=20 > sudo sysctl -w net.inet.tcp.ecn_negotiate_in=3D1 >=20 > and also with instant ack replies: >=20 > sysctl net.inet.tcp.delayed_ack > net.inet.tcp.delayed_ack: 0 >=20 > I did try with delayed_ack=3D1, and the results were about the same. >=20 > Thanks in advance, >=20 > Jonathan Foulkes >=20 > _______________________________________________ > Rpm mailing list > Rpm@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/rpm