[dpdk-dev] [RFC PATCH 0/1] eventtimer: introduce event timer wheel

[Thomas Monjalon]

29/08/2017 17:41, Jerin Jacob:
> From: Thomas Monjalon <thomas at monjalon.net>
> > 25/08/2017 12:25, Jerin Jacob:
> > > From: "Carrillo, Erik G" <erik.g.carrillo at intel.com>
> > [...]
> > > > In summary, it looks like our solutions align fairly well, and I propose that we take on the software implementation if there are no objections.
> > > 
> > > Sure, no objection.
> > 
> > Good to see such a basic function generalized for NPU and CPU.
> > 
> > Are you going to use rte_timer for CPU implementation?
> > Does it mean that event_timer supersedes rte_timer?
> 
> IMO, we don't need to supersedes the rte_timer. The eventdev or event_timer is
> an optional component. It is application decision to use poll mode vs event
> driver model or combination of two.

Trying to make clear when using poll mode or event model,
regarding CPU/NPU differences:
If using poll mode + rte_timer, we cannot leverage NPU offloads.
If using event model, is it as much efficient for generic CPU?