The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 2012
Filed:
Apr. 16, 2009
Soraya Ghiasi, Boulder, CO (US);
Malcolm S. Ware, Austin, TX (US);
Karthick Rajamani, Austin, TX (US);
Freeman L. Rawson, Iii, Austin, TX (US);
Michael S. Floyd, Austin, TX (US);
Juan C. Rubio, Austin, TX (US);
Soraya Ghiasi, Boulder, CO (US);
Malcolm S. Ware, Austin, TX (US);
Karthick Rajamani, Austin, TX (US);
Freeman L. Rawson, III, Austin, TX (US);
Michael S. Floyd, Austin, TX (US);
Juan C. Rubio, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Disclosed are systems, methods, and computer program products for managing power states in processors of a data processing system. In one embodiment, the invention is directed to a data processing system having dynamically configurable power-performance states ('pstates'). The data processing system includes a processor configured to operate at multiple states of frequency and voltage. The data processing system also has a power manager module configured to monitor operation of the data processing system. The data processing system further includes a pstates table having a plurality of pstate definitions, wherein each pstate definition includes a voltage value, a frequency value, and at least one unique pointer that indicates a transition from a given pstate to a different pstate. The voltage value, frequency value, and unique pointer of a given pstate definition are configurable, during operation of the data processing system, by the power manager module in response to changes in the operating parameters of the data processing system.
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