Patents by Inventor Wen-Tzer Thomas Chen, JR.

Wen-Tzer Thomas Chen, JR. 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).

  • Virtual unifed instruction and data caches including storing program instructions and memory address in CAM indicated by store instruction containing bit directly indicating self modifying code
    Patent number: 9747212
    Abstract: Execution of a store instruction to modify an instruction at a memory location identified by a memory address is requested. A cache controller stores the memory address and the modified data in an associative memory coupled to a data cache and an instruction cache. In addition, the modified data is stored in a second level cache without invalidating the memory location associated with the instruction cache.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 29, 2017
    Assignee: International Business Machines Corporation
    Inventors: Wen-Tzer Thomas Chen, Jr., Robert H. Bell, Jr., Bradly G. Frey
  • VIRTUAL UNIFIED INSTRUCTION AND DATA CACHES
    Publication number: 20140281245
    Abstract: Execution of a store instruction to modify an instruction at a memory location identified by a memory address is requested. A cache controller stores the memory address and the modified data in an associative memory coupled to a data cache and an instruction cache. In addition, the modified data is stored in a second level cache without invalidating the memory location associated with the instruction cache.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Wen-Tzer Thomas Chen, JR., Robert H. Bell, JR., Bradly G. Frey