A control unit includes a determination section that determines information on a type and a function of processing elements connected thereto, a library loading section that loads, as needed, program information or reconfiguration information for hardware included in a connected library into the processing elements, and execution transition information control section that creates, based on information on an arbitrary service comprising a combination of one or more tasks to be executed by the processing elements and information on the type and the function of the processing elements determined by the determination section, execution transition information specifying a combination of processing elements corresponding to the information on service and transmits it to the processing elements.