lammps/examples/prd
..
README
Si.sw
in.prd
log.5Oct16.prd.g++.4
log.5Oct16.prd.g++.8
screen.5Oct16.prd.g++.4.0
screen.5Oct16.prd.g++.4.1
screen.5Oct16.prd.g++.4.2
screen.5Oct16.prd.g++.4.3
screen.5Oct16.prd.g++.8.0
screen.5Oct16.prd.g++.8.1
screen.5Oct16.prd.g++.8.2
screen.5Oct16.prd.g++.8.3

README

Run this example as:

mpirun -np 4 lmp_g++ -partition 4x1 -in in.prd
mpirun -np 8 lmp_g++ -partition 4x2 -in in.prd

You should be able to use any number of replicas >= 3.