From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f180.google.com (mail-yw0-f180.google.com [209.85.161.180]) by dpdk.org (Postfix) with ESMTP id A5FCA37B0 for ; Fri, 5 May 2017 07:43:03 +0200 (CEST) Received: by mail-yw0-f180.google.com with SMTP id k11so16422249ywb.1 for ; Thu, 04 May 2017 22:43:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=8yglyofUg5yAzP5pzdOjXGYiI0QbakGwO1BwjCyL6j4=; b=SR6gMtHAlEeMHYTQOaojZYd+y37wlLf0CgSwshE9tjMQ6TC5BpcsgNfkXQ2OLIFOWV a8nmKNo8Lw5SVxAep2ejKIvr+m43N96BI1/dWJ8ZHbgAQywndf+7UqZ61b/JPdPx+Iam OdUy1rbnHyf8je/4ruIAqwsXwpSP3wctTwRYk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=8yglyofUg5yAzP5pzdOjXGYiI0QbakGwO1BwjCyL6j4=; b=liaFGYxqZvbZK04NvNxoeKYX511naBKJf0eaPQ/MsX4UeJleW8EtByMPPIVj3Q/P0h y582y/U5dAjuzecDWHJxAPxh/iJporH+q5Bgs4+9YdMXl6qGDfZR/huPoiXm3XdFAx5Q 1uLuAOHbWo+i89pffOF1gS1hzvZm0er+mZLXXlLO823urYSt4OUG4e/AbKCVNpcxssE6 5vM2CcYUVmJFX5dXOq4vqK+xiz/Z7lrIOfwTfdArefPy9ZF6JlZxrflzEEdrq+9S5CYJ vxDZoCNDAR/lmuEJdSEbgCJlhGpDw+Kyw0NCLWpkn3HnknQarb1OQIvCU2s5ateHm0qq nWeQ== X-Gm-Message-State: AODbwcCyfjs5vxMnFrKnCmB9eBvKi6h0q1wJJqMXEOQYKnvG4ZUx11yE OJizfqbjkwAOe/+5bS9VxLyLiz74ShYI X-Received: by 10.129.78.73 with SMTP id c70mr379941ywb.62.1493962983060; Thu, 04 May 2017 22:43:03 -0700 (PDT) MIME-Version: 1.0 Received: by 10.37.4.16 with HTTP; Thu, 4 May 2017 22:43:02 -0700 (PDT) In-Reply-To: <1493958263.10283.0.camel@caviumnetworks.com> References: <1493709255-8887-1-git-send-email-jianbo.liu@linaro.org> <1493709255-8887-5-git-send-email-jianbo.liu@linaro.org> <1493725624.3602.34.camel@caviumnetworks.com> <1493958263.10283.0.camel@caviumnetworks.com> From: Jianbo Liu Date: Fri, 5 May 2017 13:43:02 +0800 Message-ID: To: "Sekhar, Ashwin" Cc: "Jacob, Jerin" , "tomasz.kantecki@intel.com" , "dev@dpdk.org" Content-Type: text/plain; charset=UTF-8 Subject: Re: [dpdk-dev] [PATCH 5/5] examples/l3fwd: add neon support for l3fwd 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: Fri, 05 May 2017 05:43:04 -0000 On 5 May 2017 at 12:24, Sekhar, Ashwin wrote: > On Thu, 2017-05-04 at 16:42 +0800, Jianbo Liu wrote: >> Hi Ashwin, >> >> On 3 May 2017 at 13:24, Jianbo Liu wrote: >> > >> > Hi Ashwin, >> > >> > On 2 May 2017 at 19:47, Sekhar, Ashwin >> > wrote: >> > > >> > > Hi Jianbo, >> > > >> > > I tested your neon changes on thunderx. I am seeing a performance >> > > regression of ~10% for LPM case and ~20% for EM case with your >> > > changes. >> > > Did you see improvement on any arm64 platform with these changes. >> > > If >> > > yes, how much was the improvement? >> > Thanks for your reviewing and testing. >> > For some reason, I have not done much with the performance testing. >> > I'll send a new version later after tuning the performance. >> > >> Can you tell me how did you test? > Built with following commands. > make config T=arm64-thunderx-linuxapp-gcc > make -j32 > > Tested LPM with > sudo ./examples/l3fwd/build/l3fwd -l 9,10 --master-lcore 9 -- -p 0x1 --config="(0,0,10)" > > Tested EM with > sudo ./examples/l3fwd/build/l3fwd -l 9,10 --master-lcore 9 -- -p 0x1 --config="(0,0,10)" -E > Only one port? What's the network topology, and lpm/em rules? How did you stress traffic...? >> My testing shows that EM case is much better, while LPM is almost the >> same as before. > Could you please tell on which arm64 processor/platform you tested. > Also how much was the percentage increase in performance for EM ? > I'm sorry I can't tell you what's arm64 platform I tested on. But I can get a ThunderX, and replicate your testing environment if you can tell me more... Thanks! Jianbo