From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: tuhs-bounces@minnie.tuhs.org X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE, T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.1 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 5d10c55a for ; Thu, 28 Jun 2018 20:52:40 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 76854A1B14; Fri, 29 Jun 2018 06:52:39 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 75B92A1B0A; Fri, 29 Jun 2018 06:52:30 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=serissa.com header.i=@serissa.com header.b=FIKyI1By; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b=Jj4blPrG; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 09E28A1B0A; Fri, 29 Jun 2018 06:52:30 +1000 (AEST) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by minnie.tuhs.org (Postfix) with ESMTPS id C7686A1815 for ; Fri, 29 Jun 2018 06:52:28 +1000 (AEST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 3344921C5E; Thu, 28 Jun 2018 16:52:28 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute7.internal (MEProxy); Thu, 28 Jun 2018 16:52:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=serissa.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc; s=fm3; bh=c2JHI3vg5wLNIbNOXS1qNB7GDt1bZ Alx82EXM7oTCaU=; b=FIKyI1By+ZNAKXrXl7EYBL2cz4yl6aMGVWH8c+iAsxoe+ kpe/4x+vyoXuqsUzZzbvdeOYqfywD0id+pDpOfxeVGG37qrZut0MBYYGsK5WHgJy s5anGUE+XRV3066E0BXQJXqfORWUr5p8ritMhMp5dPwAs8waDV//LIqyEUs8LytZ /rEHYOz4aE6a8Ghgf4Q6g95vXxBqyohjk2EjvYUMiW216hFpusUs/L3uyzEn1mm5 pVvOsXnmP4haFE4klyzQ9d8OHeUIzUf2v9pGN0KX6n3LpmdyQYQO9FQBJo8TM1Pv KHV4Dl4MdAH+BeRSW05pvV9rytqob/w0o2YK5n6lw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=c2JHI3 vg5wLNIbNOXS1qNB7GDt1bZAlx82EXM7oTCaU=; b=Jj4blPrGLEc5fziC+zyBTp Nn4YsHd0/M6Czp5tM3IJ2oq2/1AWfEz6DgY0tIcr8oIYE1Xq3lsCuDI+u63Pm28r rIQaDUF9vdtQIA+HCNSmZ1ZkdvsL5jz4ZZt+uiMauQLDKB3DCwyr+ObKr9gonEiT jEhvL8gbKGQFKmHC5+OZT4CEYmGoRnRJv+v7x3SV1m1oKmvB27ATa6JbQqsVE2w7 YXyPKCalBxKisWDD5rnFEy3wLIk3IxdI0fqCTdB0DyOXmRiTAMbctRY8VuO5zQIP 341rMVRj75Bo4jsE5YpbAO5A+wl4sEF3kLA2ARcT5vi0U3aykSJxFBPRAeZIYUow == X-ME-Proxy: X-ME-Sender: Received: from [172.20.1.45] (65-123-201-146.dia.static.qwest.net [65.123.201.146]) by mail.messagingengine.com (Postfix) with ESMTPA id C61B21025C; Thu, 28 Jun 2018 16:52:27 -0400 (EDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.4 \(3445.8.2\)) From: Lawrence Stewart In-Reply-To: <20180628154246.3a1ce74a@jabberwock.cb.piermont.com> Date: Thu, 28 Jun 2018 16:52:26 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: References: <81277CC3-3C4A-49B8-8720-CFAD22BB28F8@bitblocks.com> <20180628141538.GB663@thunk.org> <20180628104329.754d2c19@jabberwock.cb.piermont.com> <20180628145609.GD21688@mcvoy.com> <20180628154246.3a1ce74a@jabberwock.cb.piermont.com> To: "Perry E. Metzger" X-Mailer: Apple Mail (2.3445.8.2) Subject: Re: [TUHS] PDP-11 legacy, C, and modern architectures X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tuhs@minnie.tuhs.org Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" > On 2018, Jun 28, at 3:42 PM, Perry E. Metzger = wrote: >=20 > On Thu, 28 Jun 2018 07:56:09 -0700 Larry McVoy wrote: >>> Huge numbers of wimpy cores is the model already dominating the >>> world. =20 >>=20 >> Got a source that backs up that claim? I was recently dancing with >> Netflix and they don't match your claim, nor do the other content >> delivery networks, they want every cycle they can get. >=20 > Netflix has how many machines? I'd say in general that principle > holds: this is the age of huge distributed computation systems, the > most you can pay for a single core before it tops out is in the > hundreds of dollars, not in the millions like it used to be. The high > end isn't very high up, and we scale by adding boxes and cores, not > by getting single CPUs that are unusually fast. >=20 > Taking the other way of looking at it, from what I understand, > CDN boxes are about I/O and not CPU, though I could be wrong. I can > ask some of the Netflix people, a former report of mine is one of the > people behind their front end cache boxes and we keep in touch. >=20 > Perry > --=20 > Perry E. Metzger perry@piermont.com Some weird stuff gets built for CDNs! We had a real-time video = transcoding project at Quanta using Tilera chips to do transcoding on = demand for retrofitting systems in China with millions of old cable = boxes. Not I/O limited at all! There was a of I/O but still more = computing. -L