Graphics voltage reduction for load line optimization
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United States of America Patent
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Dec 6, 2016
Grant Date -
Jun 25, 2015
app pub date -
Dec 23, 2013
filing date -
Dec 23, 2013
priority date (Note) -
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Abstract
Technologies are presented that optimize graphics power-performance efficiency. A method of graphics processing may include beginning a graphics workload with a first voltage and a first clamping threshold; monitoring amounts of time that bursts of dynamic capacitance remain above the first clamping threshold; and, if the dynamic capacitance remains above the first clamping threshold for more than a predetermined time threshold, setting the voltage to a second voltage and setting the clamping threshold to a second clamping threshold until the end of the frame. If, at the end of an initial frame, a number of clock cycles from a start of the frame to when the predetermined time threshold is exceeded is less than a predetermined minimum number of clock cycles, the second clamping threshold and the second voltage may be maintained for processing of a predetermined number of subsequent frames.
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