Re: [dpdk-dev] [PATCH] build: enable packet data prefetch

2020-09-22 Thread Liu, Yong
> -Original Message- > From: Stephen Hemminger > Sent: Tuesday, September 22, 2020 10:12 PM > To: Liu, Yong > Cc: Richardson, Bruce ; dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] build: enable packet data prefetch > > On Tue, 22 Sep 2020 16:21:35 +

Re: [dpdk-dev] [PATCH] build: enable packet data prefetch

2020-09-22 Thread Stephen Hemminger
On Tue, 22 Sep 2020 16:21:35 +0800 Marvin Liu wrote: > Data prefetch instruction can preload data into cpu’s hierarchical > cache before data access. Virtualized data paths like virtio utilized > this feature for acceleration. Since most modern cpus have support > prefetch function, we can enable