Patents Represented by Attorney Ronald Drunheller

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  • Combining switch for reducing accesses to memory and for synchronizing parallel processes
    Patent number: 5163149
    Abstract: A combining switch that reduces memory accesses, synchronizes parallel processors and is easy to implement, is achieved by configuring a plurality of parallel processing nodes in a ring arrangement and by implementing a synchronizing instruction for the switch that facilitates, rather than inhibits, parallel processing. According to the preferred embodiment of the invention the ring is a token ring and the synchronizing instruction is a Fetch-and-Add instruction.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: November 10, 1992
    Assignee: International Business Machines Corporation
    Inventors: William C. Brantley, Jr., Harold S. Stone