code: public void setParallelized(boolean parallelized) {
          for(Trainable t : bundle.values()) {
              if (t !=null && t instanceof Parallelizable) {
                  ((Parallelizable)t).setParallelized(parallelized);
              }
          }
      }
docs: Updates the parallelized flag of all wrapped algorithms.
  
  @param parallelized