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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>,
	Joyce Kong <joyce.kong@arm.com>,
	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@arm.com, gavin.hu@arm.com
Cc: nd@arm.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v4 0/2] one way barrier for split vring idx
Date: Thu, 30 Apr 2020 11:09:06 +0200	[thread overview]
Message-ID: <875c6c82-4460-b25d-fc7a-4f6d800f4c60@redhat.com> (raw)
In-Reply-To: <397e7aa5-f355-9790-6df6-91504be2b0ad@intel.com>



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


> Thanks,
> ferruh
> 


  reply	other threads:[~2020-04-30  9:09 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-12  9:24 [dpdk-dev] [PATCH v1 " Joyce Kong
2020-02-12  9:24 ` [dpdk-dev] [PATCH v1 1/2] virtio: one way barrier for split vring used idx Joyce Kong
2020-02-12  9:24 ` [dpdk-dev] [PATCH v1 2/2] virtio: one way barrier for split vring avail idx Joyce Kong
2020-04-02  2:57 ` [dpdk-dev] [PATCH v2 0/2] one way barrier for split vring idx Joyce Kong
2020-04-02  2:57 ` [dpdk-dev] [PATCH v2 1/2] virtio: one way barrier for split vring used idx Joyce Kong
2020-04-02 15:47   ` Stephen Hemminger
2020-04-03  8:55     ` Gavin Hu
2020-04-16  4:40       ` Honnappa Nagarahalli
2020-04-16  6:46         ` Joyce Kong
2020-04-02  2:57 ` [dpdk-dev] [PATCH v2 2/2] virtio: one way barrier for split vring avail idx Joyce Kong
2020-04-06 15:26 ` [dpdk-dev] [PATCH v3 0/2] one way barrier for split vring idx Joyce Kong
2020-04-16  9:08   ` Ye Xiaolong
2020-04-06 15:26 ` [dpdk-dev] [PATCH v3 1/2] virtio: one way barrier for split vring used idx Joyce Kong
2020-04-17  6:51   ` Ye Xiaolong
2020-04-17  8:14     ` Joyce Kong
2020-04-06 15:26 ` [dpdk-dev] [PATCH v3 2/2] virtio: one way barrier for split vring avail idx Joyce Kong
2020-04-24  3:39 ` [dpdk-dev] [PATCH v4 0/2] one way barrier for split vring idx Joyce Kong
2020-04-28 16:06   ` Maxime Coquelin
2020-04-29 17:45   ` Ferruh Yigit
2020-04-30  9:09     ` Maxime Coquelin [this message]
2020-04-30  9:16       ` Joyce Kong
2020-04-30  9:24         ` Maxime Coquelin
2020-04-24  3:39 ` [dpdk-dev] [PATCH v4 1/2] virtio: one way barrier for split vring used idx Joyce Kong
2020-04-27  9:03   ` Maxime Coquelin
2020-04-24  3:39 ` [dpdk-dev] [PATCH v4 2/2] virtio: one way barrier for split vring avail idx Joyce Kong
2020-04-27  9:03   ` Maxime Coquelin
2020-04-30  9:14 ` [dpdk-dev] [PATCH v5 0/2] one way barrier for split vring idx Joyce Kong
2020-04-30 20:54   ` Maxime Coquelin
2020-04-30  9:14 ` [dpdk-dev] [PATCH v5 1/2] virtio: one way barrier for split vring used idx Joyce Kong
2020-04-30 22:58   ` Ferruh Yigit
2020-05-04 10:04     ` Maxime Coquelin
2020-04-30  9:14 ` [dpdk-dev] [PATCH v5 2/2] virtio: one way barrier for split vring avail idx Joyce Kong

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