docs: def calculate_best_chunk_size(self, data_length):
          """
          Calculates the best chunk size for a list of length data_length. The current implemented formula is more or 
          less an empirical result for multiprocessing case on one machine.
          
          :param data_length: A length which defines how many calculations there need to be.
          :type data_length: int
          :return: the calculated chunk size
          :rtype: int
  
          TODO: Investigate which is the best chunk size for different settings.
          """
          chunk_size, extra = divmod(data_length, self.n_workers * 5)
          if extra:
              chunk_size += 1
          return chunk_size