Patents by Inventor Hironori Makimura

Hironori Makimura 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).

  • Memory testing using multiple processor unit, DMA, and SIMD instruction
    Patent number: 8181072
    Abstract: To provide a method and the like for testing a main memory in a multi processor system, which is capable of reducing a test execution time and accordingly a start-up time as compared with the case where a single processor is used for the test. The present invention provides a method for testing a main memory (MM) in a multi processor system (MPS) including a main processor (MP) and multiple sub processors (SP) each having a DMA transfer mechanism and a local store (LS).
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: May 15, 2012
    Assignee: International Business Machines Corporation
    Inventors: Hiroshi Dohji, Hironori Makimura, Minoru Kida, Nobuyoshi Tanaka
  • EFFECTIVE METHOD TO PERFORM MEMORY TEST USING MULTIPLE PROCESSOR UNIT, DMA, AND SIMD INSTRUCTION
    Publication number: 20090187793
    Abstract: To provide a method and the like for testing a main memory in a multi processor system, which is capable of reducing a test execution time and accordingly a start-up time as compared with the case where a single processor is used for the test. The present invention provides a method for testing a main memory (MM) in a multi processor system (MPS) including a main processor (MP) and multiple sub processors (SP) each having a DMA transfer mechanism and a local store (LS).
    Type: Application
    Filed: January 21, 2009
    Publication date: July 23, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Hiroshi Dohji, Hironori Makimura, Minoru Kida, Nobuyoshi Tanaka