Why do you need an order? If you plan to send and receive on the same buffer, you should use the MPI constructs for that, namely MPI_IN_PLACE.
George. On Nov 27, 2013, at 07:20 , Saliya Ekanayake <esal...@gmail.com> wrote: > Hi, > > Just want to verify if sendrecv provides any guarantees as to which operation > (send or receive) happens first. I think it is not, is it? > > Thank you, > Saliya > > -- > Saliya Ekanayake esal...@gmail.com > Cell 812-391-4914 Home 812-961-6383 > http://saliya.org > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
