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Thu, 30 Apr 2020 05:24:27 -0400 X-MC-Unique: UOVbEQn_PumtvMvONbz8Lw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0698881CBF3; Thu, 30 Apr 2020 09:24:25 +0000 (UTC) Received: from [10.36.110.63] (unknown [10.36.110.63]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 267615D9C5; Thu, 30 Apr 2020 09:24:20 +0000 (UTC) To: Joyce Kong , Ferruh Yigit , "stephen@networkplumber.org" , "xiaolong.ye@intel.com" , "tiwei.bie@intel.com" , "zhihong.wang@intel.com" , "thomas@monjalon.net" , "jerinj@marvell.com" , "yinan.wang@intel.com" , Honnappa Nagarahalli , Gavin Hu Cc: nd , "dev@dpdk.org" References: <20200212092456.29433-1-joyce.kong@arm.com> <20200424033909.1893-1-joyce.kong@arm.com> <397e7aa5-f355-9790-6df6-91504be2b0ad@intel.com> <875c6c82-4460-b25d-fc7a-4f6d800f4c60@redhat.com> From: Maxime Coquelin Autocrypt: addr=maxime.coquelin@redhat.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v4 0/2] one way barrier for split vring idx 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 4/30/20 11:16 AM, Joyce Kong wrote: >> -----Original Message----- >> From: Maxime Coquelin >> Sent: Thursday, April 30, 2020 5:09 PM >> To: Ferruh Yigit ; Joyce Kong >> ; stephen@networkplumber.org; >> xiaolong.ye@intel.com; tiwei.bie@intel.com; zhihong.wang@intel.com; >> thomas@monjalon.net; jerinj@marvell.com; yinan.wang@intel.com; >> Honnappa Nagarahalli ; Gavin Hu >> >> Cc: nd ; dev@dpdk.org >> Subject: Re: [dpdk-dev] [PATCH v4 0/2] one way barrier for split vring idx >> >> >> >> On 4/29/20 7:45 PM, Ferruh Yigit wrote: >>> On 4/24/2020 4:39 AM, Joyce Kong wrote: >>>> This patchset replaces the two-way barriers with C11 one-way barriers >>>> for split vring idx, when the frontend and backend are implemented in >>>> software. >>>> >>>> By doing PVP benchmarking, the test result of 2c1q showed the >>>> throughput increased 20% with the 0.001% of acceptable loss rate on >>>> Thunderx2 platform.[1] >>>> >>>> By doing vhost-user + virtio-user case benchmarking, 4% performance >>>> gain was measured on Thunderx2 platform by 2c1q RFC2544 test of >>>> 0.001% loss, and 4.7% performance was improved on Dell platform by >>>> 1c1q RFC2544 test of zero packet loss.[2] >>>> >>>> [1]https://doc.dpdk.org/guides/howto/pvp_reference_benchmark.html >>>> >> [2]https://doc.dpdk.org/dts/test_plans/pvp_multi_paths_performance_test >> _plan.html >>>> PVP test with virtio 1.0 normal path >>>> >>>> v4: >>>> Remove some duplicated code comment. >>>> >>>> v3: >>>> Modify some style error. >>>> >>>> v2: >>>> Add test performance statistics. >>>> >>>> Joyce Kong (2): >>>> virtio: one way barrier for split vring used idx >>>> virtio: one way barrier for split vring avail idx >>>> >>> >>> Hi Joyce, >>> >>> When 'CONFIG_RTE_LIBRTE_VIRTIO_DEBUG_DUMP=y' enabled, build fails. >> Can >>> you please check it? >> >> Hi Joyce, >> >> I will need the fix today, just send a v5 for the series. >> If not possible to do it today, please let me know. >> >> Maxime >> > Hi Maxime, > I have just fixed the issue and sent out the v5, please have a review. > Thanks. Thanks! That was fast :) Maxime >> >>> Thanks, >>> ferruh >>> >