From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f51.google.com (mail-pg0-f51.google.com [74.125.83.51]) by dpdk.org (Postfix) with ESMTP id 15C187CB6 for ; Mon, 11 Sep 2017 10:56:51 +0200 (CEST) Received: by mail-pg0-f51.google.com with SMTP id v66so14188941pgb.5 for ; Mon, 11 Sep 2017 01:56:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fridaylinux-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=M1cAPvOH3jARgwk8SBDYErfPWFAABlzzjM1ZrapIM0A=; b=A8WlIEe5TncyUGWT6CXDM4Iid/ME7Bzw1fk01DhYhx2iP9k7eWSmCPnUpfOxTxPy1m ExYX93Bdnx6iVET4E8VnfdXRkmhvTh0O+mgAJrDDgvmkj4n/e4Ky2t+CUAIfgr5SRKPT /LcImK+3++AC9BjM1YVn+DyOA4Ds5Ezu19zOvEqZKcn42BgTpg97tqlHoZHbRWmIcXWn d3wEOO5mlSCX3u7rRrgBEGQoS9ZWo4cnbj2/7UwWV8aUCk70sTm5JJthvPowZ4xelX3h 3QtNmsv8bUkVEyMWscUjc5dq5TjVDvdSnYdYBT2ZNH1pMRoLQX7CBXv6J3//fkT2oEv+ +Eyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=M1cAPvOH3jARgwk8SBDYErfPWFAABlzzjM1ZrapIM0A=; b=oHGKh/cbQZrMvpZ/yYjQYJThuuLnclbQnGQ7w4MWrj/EVZRDCMBwquc3TErPGaSAII CGU7xuQW9MgRep6i/+b9cZmicfGsNhjUsQ/KcWCiHGrHCMPFXoPLPGONp0x9yNco0QwE hhxSO0QCPwuvflJ4ZL1YK1Coj0qgrgRnOhJ3irlW3cmgh+LpsiffE3wEHoEHdv7GQ1WT F3ggBs9161PQy8k8Djq4+Lq6T6TyPbbMTM8kK2gsN9mvVdtleeZfk8FKDy5uCKt/Irb3 faER8HOZZyrjM/KKkjixp9JWWdk+we7pGvOdlN01cDOKadruGuKBhMt3sPUKWWfCi3GN ZR+g== X-Gm-Message-State: AHPjjUiF1eG8A+xYrw0NfWgSrXqoTmOZTbmHK9ttLS5J1kiMIT4R9cPf IFH7k0sFkjUZqmPMRFX1eg== X-Google-Smtp-Source: ADKCNb7hRwbw/UHLYhOmwZEurJoXZDifNv+HdhLnf+inCjVaeJdXjUC7wRijyUpmRIo7B8PP/N2p9w== X-Received: by 10.99.167.6 with SMTP id d6mr11057238pgf.414.1505120210295; Mon, 11 Sep 2017 01:56:50 -0700 (PDT) Received: from yliu-home ([45.63.61.64]) by smtp.gmail.com with ESMTPSA id b1sm13247861pgn.55.2017.09.11.01.56.47 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 11 Sep 2017 01:56:49 -0700 (PDT) Date: Mon, 11 Sep 2017 16:56:40 +0800 From: Yuanhan Liu To: Thomas Monjalon , bugzilla@dpdk.org Cc: dev@dpdk.org Message-ID: <20170911085640.GV9736@yliu-home> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Subject: Re: [dpdk-dev] [Bug 1] Green goal: power efficiency with all hardwares X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Sep 2017 08:56:51 -0000 Congratulations for filing the first DPDK bug :) --yliu On Mon, Sep 11, 2017 at 08:43:05AM +0000, bugzilla@dpdk.org wrote: > http://dpdk.org/tracker/show_bug.cgi?id=1 > > Bug ID: 1 > Summary: Green goal: power efficiency with all hardwares > Product: DPDK > Version: unspecified > Hardware: All > OS: All > Status: CONFIRMED > Severity: normal > Priority: Normal > Component: other > Assignee: dev@dpdk.org > Reporter: thomas@monjalon.net > Target Milestone: 17.11 > > Internet infrastructures have a large environmental impact. > We need more and more machines, implying more manufacturing, more shipping, > more powering and more cooling. > > With DPDK, every CPU cycle matters in order to achieve a high throughput. > It helps to reduce the number of required machines for maximum load. > Using machine capabilities at best is a case of power efficiency. > > There in another case to consider regarding our energy footprint. > When the machines are not under heavy load, we can reduce powering and cooling. > This case requires power management to be well integrated with DPDK systems. > > Last but not the least, the power efficiency must be considered for every > hardwares used in datacenters and telecom equipments. > > -- > You are receiving this mail because: > You are the assignee for the bug.