A paper by Donzis & Aditya suggests, that it is possible to use a finite difference scheme that might have a delay in the stencil. What does this mean? A FD scheme might be used to solve the he...

The following short Fortran90 program crashes as long as it contains the MPI_GET call. Rank 1 tries to read a value from rank 0 and hangs in MPI_WIN_UNLOCK. Rank 0 tries crashes in MPI_BARRIER with...

I have quite a bit of experience using the basic comm and group MPI2 methods, and do quite a bit of embarrassingly parallel simulation work using MPI. Up until now, I have structured my code to hav...