ADAPTIVE POWER CONTROL
First Claim
Patent Images
1. A method comprising:
- accessing a measurement of a frequency-voltage characteristic of an integrated circuit, wherein the frequency-voltage characteristic is stored external to a substrate of the integrated circuit; and
operating the integrated circuit at a voltage and frequency specified by the frequency-voltage characteristic.
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Abstract
A method and system of adaptive power control. Characteristics of a specific integrated circuit are used to adaptively control power of the integrated circuit.
99 Citations
21 Claims
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1. A method comprising:
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accessing a measurement of a frequency-voltage characteristic of an integrated circuit, wherein the frequency-voltage characteristic is stored external to a substrate of the integrated circuit; and operating the integrated circuit at a voltage and frequency specified by the frequency-voltage characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method comprising:
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determining, independent of operating voltage, a desirable operating frequency for a processor; accessing an indication of voltage corresponding to the desirable operating frequency, the voltage selected based upon characteristics that are specific for the processor, wherein the characteristics are stored external to a substrate of the processor; and operating the individual processor at the voltage. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A computer system comprising:
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a processor capable of being operated at a plurality of frequencies and at a plurality of voltages; first software for determining an operating frequency for said processor independent of operating voltage; second software for determining an operating voltage corresponding to the operating frequency, wherein said determining is based on a frequency-voltage relationship that is specific to the processor and stored externally to the processor; and third software for commanding the processor to operate at the operating frequency and operating voltage. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A computer system comprising:
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means for accessing a measurement of a frequency-voltage characteristic of an integrated circuit, wherein the frequency-voltage characteristic is stored external to a substrate of the integrated circuit; and means for operating the integrated circuit at a voltage and frequency specified by the frequency-voltage characteristic.
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Specification