PROBLEM TO BE SOLVED: To provide a parallel processing system and the like capable of improving efficiency and rapidity in parallel processing by attaining communication and data sharing between processing terminal devices.;SOLUTION: A master 2 generates initial processing from request processing and transmits initial processing to a slave 7 applying for participation. Each slave 7 has a shared data region 211 comprising a data structure shared among the slaves, and when data is written in the shared data region 211 in carrying out processing, the shared data region 211 is distributed to all the other slaves 7 to share the data among the slaves. The slave 7 transmits/receives information to/from the other slaves 7 in carrying out processing. The slave 7 determines whether to carry out processing itself based on initial processing data transmitted from the master 2, and shared data and information exchange among the slaves 7, and carries out processing.;COPYRIGHT: (C)2007,JPO&INPIT
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