G - Physics – 06 – F
Patent
G - Physics
06
F
354/234, 354/230
G06F 13/374 (2006.01) G06F 13/14 (2006.01) G06F 13/36 (2006.01) G06F 13/40 (2006.01) G06F 15/16 (2006.01)
Patent
CA 1327409
Abstract In a multiprocessor system, the processors are interconnected by a non- blocking communication medium such as a crossbar switch. Each processor is connected to a dedicated port circuit at the switch by an optical link. Each port circuit is connected to the crossbar switch by an electrical link. The port circuits are interconnected by a contention medium. A port circuit sends an access request by its connected processor to the destination processor over the contention medium. Circuitry at each port circuit receives requests, for access to the connected processor, prioritizes conflicting requests, and grants them sequentially. The circuitry interleaves grants of access to the connected processor with grants of outgoing access requests made by the connected processor. The circuitry grants an access request by causing the crossbar switch to establish the corresponding connection.
601666
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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