A multilayer, heat-shrinkable film has a first layer that is an outer film layer and that serves as a heat seal layer, and a second layer comprising at least one semi-crystalline polyamide. The method comprises the steps of determining a plurality of partial features of each of the file fingerprints. Then, a plurality of management information data are generated in response to the plurality of data packets. The plurality of second data flow program portions are configured to execute at least a portion of iterations concurrently during execution of the data flow program.