From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 222A1A0613 for ; Fri, 27 Sep 2019 11:09:23 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 187F44C99; Fri, 27 Sep 2019 11:09:23 +0200 (CEST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 877314C99; Fri, 27 Sep 2019 11:09:21 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DDD0F8535D; Fri, 27 Sep 2019 09:09:20 +0000 (UTC) Received: from [10.36.112.41] (ovpn-112-41.ams2.redhat.com [10.36.112.41]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 88D305C21F; Fri, 27 Sep 2019 09:09:17 +0000 (UTC) To: Thierry Herbelot , dev@dpdk.org Cc: Thibaut Collet , Thomas Monjalon , stable@dpdk.org, tiwei.bie@intel.com, zhihong.wang@intel.com, jerinj@marvell.com, gavin.hu@arm.com References: <4532a3e5b53802da7e1b35c6c9383b406a18c30d.1568216827.git.thierry.herbelot@6wind.com> From: Maxime Coquelin Autocrypt: addr=maxime.coquelin@redhat.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 MIME-Version: 1.0 In-Reply-To: <4532a3e5b53802da7e1b35c6c9383b406a18c30d.1568216827.git.thierry.herbelot@6wind.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Fri, 27 Sep 2019 09:09:21 +0000 (UTC) Subject: Re: [dpdk-stable] [PATCH 2/2] virtio: get all pending rx packets with vectorized functions X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On 9/11/19 6:04 PM, Thierry Herbelot wrote: > From: Thibaut Collet > > The loop to read packets does not take all packets as the number of > available packets (nb_used) is decremented in the loop. > Take all available packets provides a performance improvement of 3%. > > Fixes: fc3d66212fed ("virtio: add vector Rx") > Cc: stable@dpdk.org > Cc: maxime.coquelin@redhat.com > Cc: tiwei.bie@intel.com > Cc: zhihong.wang@intel.com > Cc: jerinj@marvell.com > Cc: gavin.hu@arm.com > > Signed-off-by: Thibaut Collet > --- > drivers/net/virtio/virtio_rxtx_simple_neon.c | 5 +++-- > drivers/net/virtio/virtio_rxtx_simple_sse.c | 5 +++-- > 2 files changed, 6 insertions(+), 4 deletions(-) > Reviewed-by: Maxime Coquelin Thanks, Maxime