Install libopenmpi-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libopenmpi-dev
high performance message passing library -- header files
Open MPI is a project combining technologies and resources from several other projects (FT-MPI, LA-MPI, LAM/MPI, and PACX-MPI) in order to build the best MPI library available. A completely new MPI-3 compliant implementation, Open MPI offers advantages for system and software vendors, application developers and computer science researchers. . This package contains the header files and compiler wrappers which are needed to compile and link programs against libopenmpi.