-smpirun provides an easy way to run programs linked to simgrid and using SMPI. It sets some default values, and generate a deployment file using the mandatory arguments \fB-platform\fR and \fB-hostfile\fR.
+smpirun car run MPI programs that were compiled with smpicc on top of
+the simulator. Basically, it generates a deployment files from the
+provided hostfile (if needed), and launches the simulation with the right
+arguments. It is intended to be easy to use to regular MPI users.
+.SH MANDATORY PARAMETERS