From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <jianbo.liu@linaro.org>
Received: from mail-yw0-f177.google.com (mail-yw0-f177.google.com
 [209.85.161.177]) by dpdk.org (Postfix) with ESMTP id DFA54695C
 for <dev@dpdk.org>; Thu,  4 May 2017 10:42:28 +0200 (CEST)
Received: by mail-yw0-f177.google.com with SMTP id 203so3183533ywe.0
 for <dev@dpdk.org>; Thu, 04 May 2017 01:42:28 -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=E3+KCusB2GKoRzfQyK4flKXzSVurRq8a+lD0KWAHNLU=;
 b=kHV2lsESsmTyR3g1prTl4OCPMtw3i6WPloebbSlNchQw3Ui7w8WpJ4bH6krH2X7tiS
 dEwwDXlprYNmQLRriKYFTIeSWcOXUEg4i7yMF2L0mbS5Vq4NU+Yk5mauch2FoAA2YU6p
 9XHkpE4bGKK/UuvlvB2miUgbBoaDPTa9FZAMk=
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=E3+KCusB2GKoRzfQyK4flKXzSVurRq8a+lD0KWAHNLU=;
 b=s3kyL1j/6uWuG/YQp/8dT6Xko/X06Q/ZciC6dVbFOA/nlA+zZMpxSE7CYz0z2/M+XQ
 5IoGDxVr1J3YsMTMDU8/3UDBDOeem2amFdA3M3yLTZQRghv1VBIU6bJJw2JvSBZiiRRr
 CcN8SqMkm7TN34mHZnp+hx634sgcmLdVGcHkjOs41jFP2dStVdrlDW6imew86etTGgDW
 wcoG2saj9vFY3+zpSKnHOyyWOECA1p9lObmZFhO70c/QzD3YrTKrD7qx4qgu80F89pkJ
 eX1NUY4LN1nfbNs3mULzutOZduaatQGqUyA8Mb9MYiHkd5EO/XTHG/H97V8soQbVdKDd
 17MQ==
X-Gm-Message-State: AN3rC/7dL8TLSG3QB1djKuwDBhGR/yn3q+hIIESHeDtwjLCHlvLMJQco
 iETzHc2oCVVnQuGqMRTWLER+Rq/dns2q
X-Received: by 10.129.174.38 with SMTP id m38mr32291079ywh.114.1493887347948; 
 Thu, 04 May 2017 01:42:27 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.37.4.16 with HTTP; Thu, 4 May 2017 01:42:27 -0700 (PDT)
In-Reply-To: <CAP4Qi3_YFeV33_D5zv0hDBAMtVW0kbzkY0qx18CTC_ygLcNWZw@mail.gmail.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>
 <CAP4Qi3_YFeV33_D5zv0hDBAMtVW0kbzkY0qx18CTC_ygLcNWZw@mail.gmail.com>
From: Jianbo Liu <jianbo.liu@linaro.org>
Date: Thu, 4 May 2017 16:42:27 +0800
Message-ID: <CAP4Qi385shUj9ZZHCWS3iPU9F540_a7_Brn8wey+ZmpW1xiiJg@mail.gmail.com>
To: "Sekhar, Ashwin" <Ashwin.Sekhar@cavium.com>
Cc: "tomasz.kantecki@intel.com" <tomasz.kantecki@intel.com>, 
 "Jacob, Jerin" <Jerin.JacobKollanukkaran@cavium.com>,
 "dev@dpdk.org" <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 <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Thu, 04 May 2017 08:42:29 -0000

Hi Ashwin,

On 3 May 2017 at 13:24, Jianbo Liu <jianbo.liu@linaro.org> wrote:
> Hi Ashwin,
>
> On 2 May 2017 at 19:47, Sekhar, Ashwin <Ashwin.Sekhar@cavium.com> 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?
My testing shows that EM case is much better, while LPM is almost the
same as before.

Thanks!
Jianbo