Patent ID: 8209693

Claim:
A processing system comprising: a buffer composed of a plurality of segments which store data, which is to be input to said processing system, in transactions in an order of inputting, respectively; a plurality of processing units which perform a series of processes in a given order for said data; a plurality of first tables corresponding to said plurality of processing units, respectively, said first tables each storing a processing status of each of said series of processes including: beginning information which indicates a beginning segment among said plurality of segments at continuous addresses completed in a process by a corresponding processing unit; end information which indicates an end segment among said plurality of segments; and existence information which indicates one of a presence and an absence of segments completed in said process by said corresponding processing unit; a status generation unit which generates said processing status for said segment specified with reference to said plurality of first tables in response to an inquiry for said processing status of said series of processes for which said segment is specified, and a management unit which manages a data transfer between said buffer and said plurality of processing units so that said series of processes are performed in a given order based on said processing status of said series of processes retained in said plurality of first tables.