From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-x235.google.com (mail-oi0-x235.google.com [IPv6:2607:f8b0:4003:c06::235]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id B116121F521; Sat, 18 Apr 2015 21:07:24 -0700 (PDT) Received: by oign205 with SMTP id n205so102182816oig.2; Sat, 18 Apr 2015 21:07:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-type:content-transfer-encoding; bh=q2tf6mGi+IRyOsWhVDSWgTieGpQCsqqB+nx2bi0KTpw=; b=bjmO/OmZB8Rzh0yjJKWO0LhArQ2YI3+rB1fsw798xLxtcN5Tp2if47Ou3dWVF9SpKO jl8VknGCgnfApL/M9o5TuPM9Ex1ltxcBE8/ac9BRINFRwR772wPnYmxfUv5AA6H6GVr3 kxu7VNDy09le7IgXqBdxmS/dzmizYg+mhs+eueeiPgh6dO5tjtJJ84qIF98MZbKGFE7U ksxBPCHUSJs0bOPortYHjN/Af3gWcjfkVk09CdHo7r3LaKQprRSMs3QCSpb3uVDkhK4I dyi6AG8w0goJg1HFwxLk5ZcPhNp+2XnmjbEBdDKbgQjYolDfIbtOrwHBoJhsQkUk/Teq qREA== X-Received: by 10.182.76.33 with SMTP id h1mr8353112obw.63.1429416443527; Sat, 18 Apr 2015 21:07:23 -0700 (PDT) MIME-Version: 1.0 Sender: white.phoenix@gmail.com Received: by 10.202.188.130 with HTTP; Sat, 18 Apr 2015 21:06:53 -0700 (PDT) In-Reply-To: <1C516386-75C7-4A53-B7E0-7D3A8238C3CE@gmail.com> References: <1C516386-75C7-4A53-B7E0-7D3A8238C3CE@gmail.com> From: leetminiwheat Date: Sun, 19 Apr 2015 00:06:53 -0400 X-Google-Sender-Auth: EsAw9w13B3_o0XZCKnV98a1kKpg Message-ID: To: Rich Brown Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: cerowrt-devel , bloat Subject: Re: [Cerowrt-devel] DSLReports Speed Test has latency measurement built-in X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Apr 2015 04:07:53 -0000 On Sat, Apr 18, 2015 at 8:57 PM, Rich Brown wrote= : > > Folks, > > I am delighted to pass along the news that Justin has added latency measu= rements into the Speed Test at DSLReports.com. > > Go to: https://www.dslreports.com/speedtest and click the button for your= Internet link. This controls the number of simultaneous connections that g= et established between your browser and the speedtest server. After you run= the test, click the green "Results + Share" button to see detailed info. F= or the moment, you need to be logged in to see the latency results. There's= a "register" link on each page. > > The speed test measures latency using websocket pings: Justin says that a= zero-latency link can give 1000 Hz - faster than a full HTTP ping. I just = ran a test and got 48 msec latency from DSLReports, while ping gstatic.com = gave 38-40 msec, so they're pretty fast. > > You can leave feedback on this page - http://www.dslreports.com/forum/r29= 910594-FYI-for-general-feedback-on-the-new-speedtest - or wait 'til Justin = creates a new Bufferbloat topic on the forums. Interesting! Thanks for sharing. Tested on my win box w/ tweaked TCP settings and tweaked intel NIC, and also on my linux laptop. strange the results differed quite a bit. My win box had a lot of Re-Xmit and jitter while my linux box had no Re-Xmit and extremely low jitter. strange, maybe lowering intel NIC buffers from Rx:256/Tx:512 to Rx:128/Tx:256 had a negative effect. This machine is a monster too, i7 4790k, 32GB 2400MHz DDR3, GTX TITAN X, meanwhile my laptop is an old gen1 core i5 with crappy Realtek NIC. tests on verizon FiOS 32/25 limited to 90%, Cero 3.10.50-1 Windows 8.1/Chrome/CTCP/window scaling enabled ---------------------------------------------------------------------------= ---------- 0.1s start test for Fiber 0.41s 10 locations to query 9.46s latency New York, NY, USA is avg 7ms 9.46s latency Atlanta, GA is avg 27ms 9.46s latency Chicago, IL, USA is avg 29ms 9.46s latency Council Bluffs, Iowa, USA is avg 32ms 9.46s latency Charlottesville, Virgina, USA is avg 43ms 9.46s latency Dallas, TX, USA is avg 48ms 9.46s latency Denver, Colorado, USA is avg 53ms 9.46s latency Seattle, WA, USA is avg 70ms 9.46s latency Los Angeles, CA, USA is avg 70ms 9.46s latency San Francisco, CA, USA is avg 79ms 11.47s Starting download phase 19.65s stream0 mbits=3D0.94 (5% of 64k buffer) Atlanta, GA 1sec=3D1 9% 19.65s stream1 mbits=3D0.94 (5% of 64k buffer) Atlanta, GA 1sec=3D0.9 0% 19.65s stream2 mbits=3D0.96 (1% of 64k buffer) New York, NY, USA 1sec=3D0.= 85 0% 19.65s stream3 mbits=3D0.96 (5% of 64k buffer) Atlanta, GA 1sec=3D0.97 0% 19.65s stream4 mbits=3D0.91 (5% of 64k buffer) Chicago, IL, USA 1sec=3D1 0= % 19.65s stream5 mbits=3D0.95 (1% of 64k buffer) New York, NY, USA 1sec=3D0.= 88 0% 19.65s stream6 mbits=3D0.93 (5% of 64k buffer) Chicago, IL, USA 1sec=3D0.9= 1 0% 19.65s stream7 mbits=3D0.98 (1% of 64k buffer) New York, NY, USA 1sec=3D1.= 04 0% 19.65s stream8 mbits=3D0.92 (5% of 64k buffer) Chicago, IL, USA 1sec=3D0.8= 8 0% 19.65s stream9 mbits=3D0.89 (5% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.81 0% 19.65s stream10 mbits=3D0.92 (5% of 64k buffer) Atlanta, GA 1sec=3D0.93 0% 19.65s stream11 mbits=3D0.89 (5% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.9 0% 19.65s stream12 mbits=3D0.9 (5% of 64k buffer) Chicago, IL, USA 1sec=3D0.9= 3 0% 19.65s stream13 mbits=3D0.97 (1% of 64k buffer) New York, NY, USA 1sec=3D0= .99 0% 19.65s stream14 mbits=3D0.86 (5% of 64k buffer) Chicago, IL, USA 1sec=3D0.= 86 0% 19.65s stream15 mbits=3D0.58 (1% of 64k buffer) New York, NY, USA 1sec=3D0= .35 0% 19.65s stream16 mbits=3D0.41 (2% of 64k buffer) Chicago, IL, USA 1sec=3D0.= 44 0% 19.65s stream17 mbits=3D0.87 (4% of 64k buffer) Atlanta, GA 1sec=3D0.88 0% 19.65s stream18 mbits=3D0.88 (5% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.83 0% 19.65s stream19 mbits=3D0.92 (5% of 64k buffer) Chicago, IL, USA 1sec=3D0.= 86 0% 19.65s stream20 mbits=3D0.89 (5% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.95 0% 19.65s stream21 mbits=3D0.86 (5% of 64k buffer) Chicago, IL, USA 1sec=3D0.= 93 0% 19.65s stream22 mbits=3D0.54 (1% of 64k buffer) New York, NY, USA 1sec=3D0= .58 0% 19.65s stream23 mbits=3D0.89 (5% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.77 0% 19.65s stream24 mbits=3D0.4 (2% of 64k buffer) Atlanta, GA 1sec=3D0.49 0% 19.65s stream25 mbits=3D0.92 (6% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.59 0% 19.65s stream26 mbits=3D0.86 (5% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.92 0% 19.65s stream27 mbits=3D0.95 (1% of 64k buffer) New York, NY, USA 1sec=3D1= .04 0% 19.65s stream28 mbits=3D0.96 (1% of 64k buffer) New York, NY, USA 1sec=3D0= .9 0% 19.65s stream29 mbits=3D0.88 (5% of 64k buffer) Council Bluffs, Iowa, USA 1sec=3D0.99 0% 19.65s stream30 mbits=3D0.94 (1% of 64k buffer) New York, NY, USA 1sec=3D0= .85 0% 19.65s stream31 mbits=3D0.91 (5% of 64k buffer) Atlanta, GA 1sec=3D0.88 0% 19.65s download total=3D27.6 22.95s Starting upload phase 31.06s stream0 (Atlanta, GA) mbits=3D3.68 31.06s stream1 (Atlanta, GA) mbits=3D3.82 31.06s stream2 (New York, NY, USA) mbits=3D3.94 31.06s stream3 (Atlanta, GA) mbits=3D3.68 31.06s stream4 (Chicago, IL, USA) mbits=3D3.66 31.06s stream5 (New York, NY, USA) mbits=3D3.82 31.06s upload total=3D22.6 44.85s END TEST 44.85s 10hz drop counts f=3D1 ms=3D201 48.99s Total megabytes used: 96.2 (down:36.5 up:59.8) Flow Stats: 4ms-17ms jitter 4%-15% Re-Xmit 3-10 Cwnd on every test. ---------------------------------------------------------------------------= ---------- Ubuntu-MATE/Chromium/fq_codel/window scaling enabled 0.11s start test for Fiber 0.26s 10 locations to query 9.31s latency New York, NY, USA is avg 7ms 9.31s latency Atlanta, GA is avg 27ms 9.31s latency Council Bluffs, Iowa, USA is avg 33ms 9.31s latency Chicago, IL, USA is avg 34ms 9.31s latency Charlottesville, Virgina, USA is avg 41ms 9.31s latency Dallas, TX, USA is avg 48ms 9.31s latency Denver, Colorado, USA is avg 55ms 9.31s latency Los Angeles, CA, USA is avg 71ms 9.31s latency Seattle, WA, USA is avg 71ms 9.31s latency San Francisco, CA, USA is avg 78ms 11.31s Starting download phase 19.82s stream0 mbits=3D1.53 (2% of 64k buffer) New York, NY, USA 1sec=3D1.= 56 16% 19.83s stream1 mbits=3D1.52 (2% of 64k buffer) New York, NY, USA 1sec=3D1.= 56 1% 19.83s stream2 mbits=3D1.5 (8% of 64k buffer) Atlanta, GA 1sec=3D1.6 1% 19.83s stream3 mbits=3D1.48 (8% of 64k buffer) Atlanta, GA 1sec=3D1.57 1% 19.83s stream4 mbits=3D1.48 (8% of 64k buffer) Atlanta, GA 1sec=3D1.57 1% 19.83s stream5 mbits=3D1.49 (8% of 64k buffer) Atlanta, GA 1sec=3D1.57 1% 19.83s stream6 mbits=3D1.48 (8% of 64k buffer) Atlanta, GA 1sec=3D1.55 1% 19.83s stream7 mbits=3D1.48 (8% of 64k buffer) Atlanta, GA 1sec=3D1.57 1% 19.83s stream8 mbits=3D1.53 (2% of 64k buffer) New York, NY, USA 1sec=3D1.= 56 1% 19.83s stream9 mbits=3D1.51 (2% of 64k buffer) New York, NY, USA 1sec=3D1.= 56 1% 19.83s stream10 mbits=3D1.53 (2% of 64k buffer) New York, NY, USA 1sec=3D1= .59 1% 19.83s stream11 mbits=3D1.51 (2% of 64k buffer) New York, NY, USA 1sec=3D1= .56 1% 19.83s stream12 mbits=3D1.47 (8% of 64k buffer) Atlanta, GA 1sec=3D1.57 1% 19.83s stream13 mbits=3D1.51 (2% of 64k buffer) New York, NY, USA 1sec=3D1= .59 1% 19.83s stream14 mbits=3D1.47 (8% of 64k buffer) Atlanta, GA 1sec=3D1.57 1% 19.83s stream15 mbits=3D1.51 (2% of 64k buffer) New York, NY, USA 1sec=3D1= .56 1% 19.83s stream16 mbits=3D1.49 (8% of 64k buffer) Atlanta, GA 1sec=3D1.57 1% 19.83s stream17 mbits=3D1.51 (2% of 64k buffer) New York, NY, USA 1sec=3D1= .56 1% 19.83s download total=3D27 23.12s Starting upload phase 31.35s stream0 (New York, NY, USA) mbits=3D3.64 31.35s stream1 (New York, NY, USA) mbits=3D3.64 31.35s stream2 (Atlanta, GA) mbits=3D3.64 31.35s stream3 (Atlanta, GA) mbits=3D3.64 31.35s stream4 (Atlanta, GA) mbits=3D3.64 31.35s stream5 (Atlanta, GA) mbits=3D3.64 31.35s upload total=3D21.8 45.58s END TEST 45.58s 10hz drop counts f=3D2 ms=3D471 49.71s Total megabytes used: 97.1 (down:36.9 up:60.2) Flow Stats: 0.3ms-5.9ms jitter 0% Re-xmit 2-6 Cwnd on every test, mostly 2 ---------------------------------------------------------------------------= ----------