Importance

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Abstract

An identifier of a process, which is designed in advance to be executed only before a check point, is recorded on a delay process recording table, while an identifier of a process (check point process) exclusively for picking up a check point is recorded on a delay process recording table. A process queuing unit queues the process recorded on the delay process recording table to a delay executable queue, and queues the other processes to an executable queue. A process selecting unit selects and schedules one of the processes stored in the executable queue. Referring to the check point process recording table, it is determined whether the selected process is a check point process. If it is, all the processes stored in the delay executable queue are scheduled immediately before the check point process. Thus, an influence of delay in processing necessary for securing the matching of the system can be minimized.

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First Claim