Re: [OMPI users] MPI_Accumulate() Blocking?

2017-05-05 Thread Marc-André Hermanns
unication. > > Ben > > On Thu, May 4, 2017 at 5:53 AM, Marc-André Hermanns > mailto:m.a.herma...@fz-juelich.de>> wrote: > > Dear Benjamin, > > as far as I understand the MPI standard, RMA operations non-blocking > in the sense that you need to

Re: [OMPI users] MPI_Accumulate() Blocking?

2017-05-04 Thread Marc-André Hermanns
Dear Benjamin, as far as I understand the MPI standard, RMA operations non-blocking in the sense that you need to complete them with a separate call (flush/unlock/...). I cannot find the place in the standard right now, but I think an implementation is allowed to either buffer RMA requests or blo