Data transfer system and method for dividing an original data read instruction into individual read demands for each data element

摘要

A data transfer system in an information processing system includes a plurality of storage devices and a plurality of information processing portions connected to the storage devices. The information processing portion includes a divided instruction issuing portion for dividing an instruction, for reading out a plurality of element data from the storage device into a plurality of read out demands per respective element data and issuing the read out demands to the storage device with adding an additional information of data identifying an original instruction and data indicative of issuance order. The storage device including a read out data returns portion returning the read out element data to one of the information processing portion which issued the element read out demand by adding the additional information to the data read out according to each of the element read out demands.