k..Thank you all.
That has solved.
On Fri, Nov 4, 2016 at 8:24 PM, r...@open-mpi.org wrote:
> All true - but I reiterate. The source of the problem is that the
> "--map-by node” on the cmd line must come *before* your application.
> Otherwise, none of these suggestions will help.
>
> > On Nov 4
Jeff Hammond writes:
>> I see sleeping for ‘0s’ typically taking ≳50μs on Linux (measured on
>> RHEL 6 or 7, without specific tuning, on recent Intel). It doesn't look
>> like something you want in paths that should be low latency, but maybe
>> there's something you can do to improve that? (sch