[dpdk-dev] [PATCH] vhost: remove copy threshold for async vhost

2021-08-19 Thread Jiayu Hu
Copy threshold is introduced in async vhost data path to select the appropriate copy engine to do copies for higher efficiency. However, it may cause packets out-of-order, and it also causes data path performance unpredictable. Therefore, this patch removes copy threshold support in async vhost da

Re: [dpdk-dev] [PATCH] vhost: remove copy threshold for async vhost

2021-09-14 Thread Maxime Coquelin
On 8/20/21 2:44 PM, Jiayu Hu wrote: > Copy threshold is introduced in async vhost data path to select > the appropriate copy engine to do copies for higher efficiency. > However, it may cause packets out-of-order, and it also causes > data path performance unpredictable. > > Therefore, this pat

Re: [dpdk-dev] [PATCH] vhost: remove copy threshold for async vhost

2021-09-16 Thread Ferruh Yigit
On 8/20/2021 1:44 PM, Jiayu Hu wrote: > Copy threshold is introduced in async vhost data path to select > the appropriate copy engine to do copies for higher efficiency. > However, it may cause packets out-of-order, and it also causes > data path performance unpredictable. > Just checking, if the

Re: [dpdk-dev] [PATCH] vhost: remove copy threshold for async vhost

2021-09-16 Thread Maxime Coquelin
Hi Ferruh, On 9/16/21 13:15, Ferruh Yigit wrote: On 8/20/2021 1:44 PM, Jiayu Hu wrote: Copy threshold is introduced in async vhost data path to select the appropriate copy engine to do copies for higher efficiency. However, it may cause packets out-of-order, and it also causes data path perform

Re: [dpdk-dev] [PATCH] vhost: remove copy threshold for async vhost

2021-09-16 Thread Xia, Chenbo
Hi, > -Original Message- > From: Maxime Coquelin > Sent: Thursday, September 16, 2021 7:34 PM > To: Yigit, Ferruh ; Hu, Jiayu ; > dev@dpdk.org > Cc: Xia, Chenbo ; david.march...@redhat.com; Jiang, > Cheng1 > Subject: Re: [dpdk-dev] [PATCH] vhost: remove copy t

Re: [dpdk-dev] [PATCH] vhost: remove copy threshold for async vhost

2021-08-27 Thread Maxime Coquelin
Hi Jiayu, Thanks for working on it! On 8/20/21 2:44 PM, Jiayu Hu wrote: > Copy threshold is introduced in async vhost data path to select > the appropriate copy engine to do copies for higher efficiency. > However, it may cause packets out-of-order, and it also causes > data path performance unpr