Mpi, Monte Carlo Simulation, Mpi4py.
and stores the result in local_count. total_count = comm.reduce(local_count, op=MPI.SUM, root=0) Gathers all local counts to the root process (rank 0) and sums them up using the reduce operation. if rank == 0: Checks if the current process is the root process. pi_estimate = (4.0 * total_count) /