From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f177.google.com (mail-pd0-f177.google.com [209.85.192.177]) by dpdk.org (Postfix) with ESMTP id 2566E5948 for ; Mon, 17 Feb 2014 17:40:29 +0100 (CET) Received: by mail-pd0-f177.google.com with SMTP id x10so15046499pdj.36 for ; Mon, 17 Feb 2014 08:41:54 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-type:content-transfer-encoding; bh=PhXI6NTKNN+Fb1JJ0FB0mJs8eJEbK9OZWF+22GAmXyE=; b=giTRX+xoPK2cGUDmO6Jqnp+xYV7nk6ZSRV+HhjPzLu+jYdinNJwkreWYBVPjeKlc63 roiz2A3mKBRek5GSh4M/AkPTYTghwUvLLglUIp+P/HsKUgmFYRUR1cHQizhRKDmFpYOc woEGBQanrgKYsCpsXxLCcUhE69LOeDoGlkAfX1R3a9xt5AOyeDtGApKYywwjLsFMQqS1 fAGDUCOqfp6QPOujJn428miB9o0odqqZvStNP8YF2QVZTHUrFFFsci+waZTARzkWATHG d1X6nqr9V22vEY1kH0N22aBoQc/pLHoqUIUWohduKYSym1w1b2EKjvvw+1+BHqLvy1zb E6CQ== X-Gm-Message-State: ALoCoQl//0LHczA289bwwvVIrvbNu3o+sNNJ1R5e9nrEL92B8M+wm0tQNrHvEmiGdeKiotPdD31q X-Received: by 10.68.129.201 with SMTP id ny9mr27860224pbb.70.1392655314094; Mon, 17 Feb 2014 08:41:54 -0800 (PST) Received: from nehalam.linuxnetplumber.net (static-50-53-83-51.bvtn.or.frontiernet.net. [50.53.83.51]) by mx.google.com with ESMTPSA id tu3sm47286237pbc.40.2014.02.17.08.41.53 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Mon, 17 Feb 2014 08:41:53 -0800 (PST) Date: Mon, 17 Feb 2014 08:41:50 -0800 From: Stephen Hemminger To: jigsaw Message-ID: <20140217084150.4a2d1f4c@nehalam.linuxnetplumber.net> In-Reply-To: References: <5D695A7F6F10504DBD9B9187395A21797C6E384A@ORSMSX103.amr.corp.intel.com> <20140216110241.0e789750@nehalam.linuxnetplumber.net> X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] Is it possible to have dpdk running with no dependency on a nic ? X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Feb 2014 16:40:30 -0000 On Mon, 17 Feb 2014 14:49:47 +0200 jigsaw wrote: > Hi Stephen, > > Have you tried link time optimization on DPDK application? Does it > decrease the I-cache miss rate evidently? > > thx & > rgds, > -Qinglai > We use link-time-optimization without any problem. No big performance gain, but I really don't think all the inlining of big functions is necessary.