Messages in this thread | | | Subject | Re: [RFC PATCH V2 0/8] Packed ring for vhost | From | Jason Wang <> | Date | Tue, 27 Mar 2018 11:33:38 +0800 |
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On 2018年03月27日 03:01, Konrad Rzeszutek Wilk wrote: > On Mon, Mar 26, 2018 at 11:38:45AM +0800, Jason Wang wrote: >> Hi all: >> >> This RFC implement packed ring layout. The code were tested with pmd >> implement by Jens at >> http://dpdk.org/ml/archives/dev/2018-January/089417.html. Minor change >> was needed for pmd codes to kick virtqueue since it assumes a busy >> polling backend. >> >> Test were done between localhost and guest. Testpmd (rxonly) in guest >> reports 2.4Mpps. Testpmd (txonly) repots about 2.1Mpps. > And how does it compare to older ring layout? >
No obvious difference.
Vhost itself becomes a bottleneck. I plan to do more aggressive batching like dpdk on top.
Thanks
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