private ParallelTask RecvTaskFromMaster()
{
var polarization = Mpi.RecvInt(Mpi.Master, (int)Tag.TaskData, Mpi.CommWorld);
var frequency = Mpi.RecvDouble(Mpi.Master, (int)Tag.TaskData, Mpi.CommWorld);
return(ParallelTask.NewFrequencyTask(frequency, polarization));
}