message: Put back np to 4 for no-pa runs
diff: // mpirun -np 4 ex3p -m ../data/beam-hex.mesh -pa -d cuda
  //
  // Device w/o partial assembly runs:
  -// mpirun -np 1 ex3p -m ../data/star.mesh -no-pa -d cpu
  -// mpirun -np 1 ex3p -m ../data/star.mesh -no-pa -d cuda
  +// mpirun -np 4 ex3p -m ../data/star.mesh -no-pa -d cpu
  +// mpirun -np 4 ex3p -m ../data/star.mesh -no-pa -d cuda
  //
  // Description: This example code solves a simple electromagnetic diffusion
  // problem corresponding to the second order definite Maxwell
  