Interprocessor communication system in information...

Details Interprocessor communication system in information... Interprocessor communication system in information...

G - Physics

06

F

354/233

G06F 15/16 (2006.01) G06F 9/46 (2006.01) G06F 13/362 (2006.01) G06F 15/17 (2006.01)

Patent

CA 1297200

Abstract of the Disclosure: An interprocessor communication system is used for performing interprocessor communication from a source one having a permission of a plurality of processor units with another one in an information processing system. Those processor units are classified into a first group comprising control processor and IO processor units and into a second group comprising a plurality of execution processor units. In order to enable to start communication between two of the execution processors when one unit in the first group is performing communication with another one of the plurality of processor units, the interprocessor communication system comprises first through third locking circuits for issuing a first through third permission and locking issue of the first through third permissions thereafter, respectively. Two in first group perform communication with each other after acquiring the first permission. Two in second group perform communication with each other after acquiring the second permission. One in first group performs communication with one in second group after acquiring the third permission. When one unit in the first group is performing communication with another one of the plurality of processor units, one of the execution processors can acquire the second permission to thereby perform communication with another execution processor.

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