Thanks, Greg
On Wed, Aug 30, 2017 at 11:09 AM, Greg Titus <[email protected]> wrote:
> Yes, I’d characterize it as necessary overhead. Note that in all comm
> layer implementations the polling thread is careful to yield when it has
> nothing to do, so as to use no more time than really required.
>
> greg
>
>
> > On Aug 29, 2017, at 7:54 PM, Hui Zhang <[email protected]> wrote:
> >
> > Hello, Greg
> >
> > So basically it's communication cost (request and reply messages) right?
> > Thanks
> >
> > On Tue, Aug 29, 2017 at 5:41 PM, Greg Titus <[email protected]> wrote:
> > Hello Hui --
> >
> > The polling thread on each node processes Active Messages which are
> inbound to that node. Among other things, we use these to implement the
> executeOn operations that underlie on-stmts.
> >
> > greg
> >
> >
> > > On Aug 29, 2017, at 3:18 PM, Hui Zhang <[email protected]>
> wrote:
> > >
> > > Hello,
> > >
> > > I'm wondering what a polling task does in multi-locale Chapel? I see a
> thread is created for comm_task_wrapper which ends up calling "polling" in
> Chapel communication layer, and it costs some time, what's the purpose of
> it?
> > >
> > > Thanks
> > >
> > > --
> > > Best regards
> > >
> > >
> > > Hui Zhang
> > > ------------------------------------------------------------
> ------------------
> > > Check out the vibrant tech community on one of the world's most
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> _________________________________________
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> >
> >
> >
> >
> > --
> > Best regards
> >
> >
> > Hui Zhang
>
>
--
Best regards
Hui Zhang
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