Re: [dpdk-dev] [RFC 0/5] use WFE for locks and ring on aarch64

2019-07-01 Thread Gavin Hu (Arm Technology China)
net.ibm.com; Honnappa Nagarahalli > ; nd > Subject: Re: [dpdk-dev] [RFC 0/5] use WFE for locks and ring on aarch64 > > On Mon, 1 Jul 2019 00:21:11 +0800 > Gavin Hu wrote: > > > DPDK has multiple use cases where the core repeatedly polls a location in > > me

Re: [dpdk-dev] [RFC 0/5] use WFE for locks and ring on aarch64

2019-06-30 Thread Stephen Hemminger
On Mon, 1 Jul 2019 00:21:11 +0800 Gavin Hu wrote: > DPDK has multiple use cases where the core repeatedly polls a location in > memory. This polling results in many cache and memory transactions. > > Arm architecture provides WFE (Wait For Event) instruction, which allows > the cpu core to ente