Power management for processing modules
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United States of America Patent
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Apr 7, 2009
Grant Date -
Jun 2, 2005
app pub date -
Oct 5, 2004
filing date -
Mar 22, 2001
priority date (Note) -
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Abstract
A processing element (PE) includes a processing unit (PU) and a number of attached processing units (APUs). The instruction set of each APU is divided a priori into a number of types, each type associated with a different amount of heat generation. Each APU keeps track of the amount of each type of instruction executed over a time period, —the power information, —and provides this power information to the PU. The PU then performs power management as a function of the provided power information from each APU, —such as directing a particular APU to enter an idle state to reduce power consumption.
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