Information processing apparatus, method and computer program
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United States of America Patent
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Apr 15, 2014
Grant Date -
Apr 21, 2011
app pub date -
Oct 6, 2010
filing date -
Oct 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An information processing apparatus for processing input data using multiple items of reference data in succession is provided. The apparatus includes a secondary storage unit configured to store the reference data; a primary storage unit accessible at a speed higher than that of the secondary storage unit; a read-out unit configured to read out the reference data from the secondary storage unit to the primary storage unit; an execution unit configured to execute processing of the input data using the reference data in the primary storage unit; a determination unit configured to determine, based upon at least one of a probability that reference data scheduled for use by the execution unit will change and quantity of the scheduled reference data, whether the scheduled reference data is to be prefetched; and a control unit configured to control prefetch based on the result of determination of the determination unit.
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