An operating method of a computing processor includes: performing a computing operation on a data unit assigned from among a plurality of data units that are partitioned from multi-media data; obtaining operation completion information of the computing operation performed on the data unit from among the plurality of data units, from at least one predetermined computing processor from among a plurality of computing processors; storing the operation completion information obtained from the at least one predetermined computing processor; and determining whether computing operations performed on the multi-media data have been completed, based on the operation completion information obtained from the at least one predetermined computing processor and stored, and the computing operation performed on the assigned data unit.