OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Problem when using mpi › Reply To: Problem when using mpi February 28, 2024 at 9:54 am #8336 thanhphatvtParticipant Hello Adrian, Thanks for your reply. Here is mpi version which I used mpirun –version mpirun (Open MPI) 4.1.2 Report bugs to http://www.open-mpi.org/community/help/