Patents by Inventor Zhong-Ning (George) Cai

Zhong-Ning (George) Cai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11164806
    Abstract: A system may include determination of a spatial power map associated with an integrated circuit based on an architecture of the circuit, generation of a spatial thermal map associated with the integrated circuit based on the spatial power map, and determination of a spatial leakage power map based on the spatial thermal map. In some aspects, a system includes determination of a temperature of an integrated circuit, comparison of the temperature with a thermal divergence temperature, determination that the temperature of the integrated circuit is primarily due to leakage power, and disabling of power to the integrated circuit.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: November 2, 2021
    Assignee: INTEL CORPORATION
    Inventors: Dhananjay Adhikari, Zhong-Ning George Cai, Jacob Schneider
  • Patent number: 9361257
    Abstract: A mechanism is described for facilitating customization of multipurpose interconnect agents at computing devices according to one embodiment of the invention. A method of embodiments of the invention includes enhancing a multipurpose interconnect agent by associating a customization block to the multipurpose interconnect agent at a computing system. Enhancing may include customization of one or more functionalities of the multipurpose interconnect agent. The method may further include customizing, via the customization block, the one or more functionalities of the enhanced multipurpose interconnect agent, wherein customizing includes enabling integration of two or more processor interconnects carrying data packets.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: June 7, 2016
    Assignee: Intel Corporation
    Inventors: Dimitrios Ziakas, Zhong-Ning George Cai
  • Patent number: 9256277
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response, to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: February 9, 2016
    Assignee: Intel Corporation
    Inventor: Zhong-Ning (George) Cai
  • Publication number: 20150127964
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response, to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Application
    Filed: January 14, 2015
    Publication date: May 7, 2015
    Inventor: Zhong-Ning (George) Cai
  • Patent number: 8966301
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 24, 2015
    Assignee: Intel Corporation
    Inventor: Zhong-Ning (George) Cai
  • Patent number: 8788859
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: July 22, 2014
    Assignee: Intel Corporation
    Inventor: Zhong-Ning (George) Cai
  • Publication number: 20140095801
    Abstract: A system, method, and computer program product for retaining coherent cache contents during deep power-down operations, and reducing the low-power state entry and exit overhead to improve processor energy efficiency and performance. The embodiments flush or clean the Modified-state lines from the cache before entering a deep low-power state, and then implement a deferred snoop strategy while in the powered-down state. Upon existing the powered-down state, the embodiments process the deferred snoops. A small additional cache and a snoop filter (or other cache-tracking structure) may be used along with additional logic to retain cache contents coherently through deep power-down operations, which may span multiple low-power states.
    Type: Application
    Filed: September 28, 2012
    Publication date: April 3, 2014
    Inventors: Devadatta V. BODAS, Zhong-Ning (George) CAI, John H. CRAWFORD
  • Publication number: 20130318367
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response, to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 28, 2013
    Applicant: Intel Corporation
    Inventor: Zhong-Ning (George) CAI
  • Publication number: 20130297845
    Abstract: A mechanism is described for facilitating customization of multipurpose interconnect agents at computing devices according to one embodiment of the invention. A method of embodiments of the invention includes enhancing a multipurpose interconnect agent by associating a customization block to the multipurpose interconnect agent at a computing system. Enhancing may include customization of one or more functionalities of the multipurpose interconnect agent. The method may further include customizing, via the customization block, the one or more functionalities of the enhanced multipurpose interconnect agent, wherein customizing includes enabling integration of two or more processor interconnects carrying data packets.
    Type: Application
    Filed: September 30, 2011
    Publication date: November 7, 2013
    Inventors: Dimitrios Ziakas, Zhong-Ning George Cai
  • Publication number: 20120134385
    Abstract: A system may include determination of a spatial power map associated with an integrated circuit based on an architecture of the circuit, generation of a spatial thermal map associated with the integrated circuit based on the spatial power map, and determination of a spatial leakage power map based on the spatial thermal map. In some aspects, a system includes determination of a temperature of an integrated circuit, comparison of the temperature with a thermal divergence temperature, determination that the temperature of the integrated circuit is primarily due to leakage power, and disabling of power to the integrated circuit.
    Type: Application
    Filed: February 7, 2012
    Publication date: May 31, 2012
    Inventors: Dhananjay Adhikari, Zhong-Ning George Cai, Jacob Schneider
  • Patent number: 7991963
    Abstract: In an embodiment, the method provides receiving a memory access request for a demanded cache line from a processor of a plurality of processors; accessing coherency information associated with the demanded cache line from a memory unit by bringing in from a memory page in which the demanded cache line is stored, the memory page also including a directory line having coherency information corresponding to the demanded cache line; reading data associated with the demanded cache line in accordance with the coherency information; and returning the data to the processor.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: August 2, 2011
    Assignee: Intel Corporation
    Inventors: Ian M. Steiner, Zhong-Ning George Cai, Saurabh Tiwari, Kai Cheng
  • Publication number: 20110022866
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Application
    Filed: October 6, 2010
    Publication date: January 27, 2011
    Applicant: INTEL CORPORATION
    Inventor: Zhong-Ning (George) CAI
  • Patent number: 7822998
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: October 26, 2010
    Assignee: Intel Corporation
    Inventor: Zhong-Ning (George) Cai
  • Publication number: 20080159352
    Abstract: A system may include determination of a spatial power map associated with an integrated circuit based on an architecture of the circuit, generation of a spatial thermal map associated with the integrated circuit based on the spatial power map, and determination of a spatial leakage power map based on the spatial thermal map. In some aspects, a system includes determination of a temperature of an integrated circuit, comparison of the temperature with a thermal divergence temperature, determination that the temperature of the integrated circuit is primarily due to leakage power, and disabling of power to the integrated circuit.
    Type: Application
    Filed: December 27, 2006
    Publication date: July 3, 2008
    Inventors: Dhananjay Adhikari, Zhong-Ning George Cai, Jacob Schneider
  • Publication number: 20080155288
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Application
    Filed: September 18, 2007
    Publication date: June 26, 2008
    Applicant: Intel Corporation
    Inventor: Zhong-Ning (George) CAI
  • Patent number: 6631474
    Abstract: A computer system includes a first processor, a second processor, and interprocessor communication logic (ICL). The first processor operates at a higher frequency, includes a more advanced micro-architecture, and consumes more power than the second processor. When the computer system is plugged in, the first processor is selected as the primary system processor. When the computer system is powered by a battery, the second processor is selected as the primary system processor. The second processor and the ICL may be integrated together on the same semiconductor chip.
    Type: Grant
    Filed: December 31, 1999
    Date of Patent: October 7, 2003
    Assignee: Intel Corporation
    Inventors: Zhong-Ning George Cai, Tosaku Nakanishi
  • Patent number: 6583648
    Abstract: A method and apparatus provide power control for a multiple giga-hertz frequency integrated circuit. The method and apparatus include multiple levels of clock gating control circuitry and a clock distribution network to generate a low-skew system clock signal, and generate a gated clock signal, from the system clock signal, and distribute the gated clock signal to a plurality of local logic circuits in the integrated circuit.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: June 24, 2003
    Assignee: Intel Corporation
    Inventor: Zhong-Ning (George) Cai
  • Publication number: 20020087904
    Abstract: A method and system provides dynamic power control based on thermal sensitivity of a processor system. The method and system includes a circuit that reduces the clock frequency for the processor system in response to thermal characteristics satisfying a pre-determined threshold that allows maximal thermal temperature limit utilization without substantially degrading processor performance.
    Type: Application
    Filed: December 28, 2000
    Publication date: July 4, 2002
    Inventor: Zhong-Ning (George) Cai