| 摘要 |
An information processing apparatus according to an exemplary aspect of the invention includes a plurality of process units operable in parallel and a cache unit. The information processing apparatus executes a series of processes including access to a database through pipelining of the plurality of process units. The plurality of process units corresponds to a plurality of block process on a one-by-one basis. The series of processes are divided into the plurality of block processes such that reference of a content of data stored in the database by one of the plurality of process units is not followed by update of the data by any of others of the plurality of process units. Each of the plurality of process units executes one of the plurality of block processes at a predetermined timing. The plurality of block processes include a first block process including update of first data in the database. The plurality of process units includes a first process unit corresponding to the first block process. Updated contents of the first data are obtained in executions of the first block process by the first process unit. The cache unit is provided to be associated with the first process unit and holds the updated contents in a format by which an order of additions of the updated contents is recognizable.
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