Roy,
First and foremost the two datatype markers (MPI_LB and MPI_UB) have been
deprecated from MPI 3.0 for exactly the reason you encountered. Once a
datatype is annotated with these markers, they are propagated to all
derived types, leading to an unnatural datatype definition. This behavior
is en
Hi,
I want to know if it is allowed in MPI one-sided communication to open
multiple windows simultaneously using the same communicator.
The standard does not seem to forbid it as far as I can see, but when I
look at the open mpi osc components (rdma and portals4) it looks like a
window is alway
