Re: [dpdk-dev] [PATCH v1 4/5] vhost: add packed ring vectorized dequeue

> -Original Message- > From: Liu, Yong > Sent: Monday, September 21, 2020 2:27 PM > To: 'Maxime Coquelin' ; Xia, Chenbo > ; Wang, Zhihong > Cc: dev@dpdk.org > Subject: RE: [PATCH v1 4/5] vhost: add packed ring vectorized dequeue > > > > > -Original Message- > > From: Maxime Co

Re: [dpdk-dev] [PATCH v1 4/5] vhost: add packed ring vectorized dequeue

> -Original Message- > From: Maxime Coquelin > Sent: Friday, September 18, 2020 9:45 PM > To: Liu, Yong ; Xia, Chenbo ; > Wang, Zhihong > Cc: dev@dpdk.org > Subject: Re: [PATCH v1 4/5] vhost: add packed ring vectorized dequeue > > > > On 8/19/20 5:24 AM, Marvin Liu wrote: > > Optimiz

Re: [dpdk-dev] [PATCH v1 4/5] vhost: add packed ring vectorized dequeue

On 8/19/20 5:24 AM, Marvin Liu wrote: > Optimize vhost packed ring dequeue path with SIMD instructions. Four > descriptors status check and writeback are batched handled with AVX512 > instructions. Address translation operations are also accelerated by > AVX512 instructions. > > If platform or