From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f42.google.com (mail-lf0-f42.google.com [209.85.215.42]) by dpdk.org (Postfix) with ESMTP id DD0812BA6 for ; Thu, 13 Oct 2016 05:51:22 +0200 (CEST) Received: by mail-lf0-f42.google.com with SMTP id l131so77713157lfl.2 for ; Wed, 12 Oct 2016 20:51:22 -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=DKp2kAxQcvNn/BVRD+T28/9QgQbdCvKsSwthsP/Gq3o=; b=YCMKh5bUjNhjwVhONtCMkjzFTfTyUpDRXUbRmYI8f61Vl8kEZWyKL0/I+3hpbk4LwK wQztvZHOdWB10/sEmjql4QHxPTMqa1DN+m2HQZOYnNkMBMglaKv/+vtlI6e3JtOeU/yC tx7uqBVkKyLTBCrwq2Av8lM5DNBTvxWSdnSy0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=DKp2kAxQcvNn/BVRD+T28/9QgQbdCvKsSwthsP/Gq3o=; b=UpLoCW0QemagdoE3vw6CAbrXlrR21Pbz5Z5u+HR+gIHHaNi3Nax6uvXO7MTnXZC/Yq PsKbh4dXogtsEAv82g1MlUBdmYaRYSjuww63cMcz/zXUGTac/8vmqkIsOwpy4C6bMLIW XRKJ6ShZiDOZ6uCxmdPtWPUv5BgQKuQRqC6q9UZUA2SNun3MkmjKa13Is2uHqAqeLd6H A2Ocgtr5u966c2tmqtpuDRKvO9ovaCUYtQi8rMiY234kCcKx/bDu/CJ1N1CYy8rC/235 FoG73wgWILYNJbbEJyOUfTvLdz9/CEsh49ZyjRiwX8jUctbMeyLCikcMrcZW18fqkzXp 6ntQ== X-Gm-Message-State: AA6/9RkiEiBoD0vUTXHR6UNq3iLX7OisVt1oh1bodo6K3+8MCI7tTeSP1XeDBH7Tblvt1+C6VRz9OjXYwcHZlUAe X-Received: by 10.28.69.210 with SMTP id l79mr449888wmi.56.1476330682464; Wed, 12 Oct 2016 20:51:22 -0700 (PDT) MIME-Version: 1.0 Received: by 10.80.172.121 with HTTP; Wed, 12 Oct 2016 20:51:21 -0700 (PDT) In-Reply-To: <1707408.heiIBWjog8@xps13> References: <1471319402-112998-1-git-send-email-zhihong.wang@intel.com> <20161012025307.GG16751@yliu-dev.sh.intel.com> <8F6C2BD409508844A0EFC19955BE09414E7CD78E@SHSMSX103.ccr.corp.intel.com> <1707408.heiIBWjog8@xps13> From: Jianbo Liu Date: Thu, 13 Oct 2016 11:51:21 +0800 Message-ID: To: Thomas Monjalon Cc: "Wang, Zhihong" , Yuanhan Liu , Maxime Coquelin , dev@dpdk.org Content-Type: text/plain; charset=UTF-8 Subject: Re: [dpdk-dev] [PATCH v3 0/5] vhost: optimize enqueue 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: Thu, 13 Oct 2016 03:51:23 -0000 Hi Thomas, On 12 October 2016 at 23:31, Thomas Monjalon wrote: > Sorry guys, you lost me in the discussion. > > Is there some regression only on ARM? > Does it need some work specifically on memcpy for ARM, I don't know if there is common way to improve memcpy on different ARM hardware. Even there is, it could take times. I have tried do that using neon (like sse) instructions, but without success. > or vhost for ARM? > Who can work on ARM optimization? >