hello_mpi, a Fortran90 code which prints "Hello, World!", while invoking the MPI parallel programming system.
If you're just trying to learn MPI, or learning how to use MPI on a different computer system, or in batch mode, it's helpful if you start with a very simple program with a tiny amount of output that should print immediately if things are working well.
The information on this web page is distributed under the MIT license.
hello_mpi is available in a C version and a C++ version and a Fortran90 version and a Python version.
mpi_test, a Fortran90 code which use the message passing interface (MPI) for parallel computations in a distributed memory environment.