Data processing apparatus and control method for controlling clock frequency based on calculated frequency-to-response-time ratios
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United States of America Patent
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Mar 3, 2015
Grant Date -
Aug 11, 2011
app pub date -
Jan 21, 2011
filing date -
Feb 9, 2010
priority date (Note) -
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Abstract
A data processing apparatus includes: a plurality of processing units adapted to process data according to input operation clocks; and a control unit adapted to measure response times of the plurality of processing units when the operation clocks of a common frequency are supplied to the plurality of processing units, and to control a frequency of the operation clocks to be supplied to at least one of the plurality of processing units so that a plurality of measured response times become closer to each other.
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