Recently I acquired a Raspberry Pi 4 and decided to build a tiny computer cluster out of it. The goal is to do play around a bit with parallel computing technology. Some of the things that I will try out are
MPI in Fortran Coarray Fortran Parallel computing with julia The Hardware The cluster consists of the following parts (see image above).
1 Raspberry 4 Model B (2GB) equipped with a 16GB MicroSD Card 1 Cluster HAT v2.