G - Physics – 06 – F
Patent
G - Physics
06
F
354/230.82
G06F 9/38 (2006.01) G06F 15/80 (2006.01)
Patent
CA 1313275
AT9-87-031 PARALLEL PROCESSOR INSTRUCTION DISPATCH APPARATUS WITH INTERRUPT HANDLER Abstract A data processing system for executing a sequence of instructions. The data processing system includes several processors each for executing instructions. Also included is a dispatching apparatus for dispatch- ing each of the instructions to one of the processors. Control circuitry is included for directing the concurrent execution of the dispatched instructions in the processors irrespective of the location of the instructions in the sequence. The control circuitry includes the capability to receive an instruction interrupt signal. The control circuitry then deter- mines which instruction generated the instruction interrupt. Upon this determination, the control circuitry resets the processors and the dispatching apparatus to the state that existed when the instruc- tion that generated the instruction interrupt was earlier executed in order to re-execute the instruc- tion that caused the interrupt signal in accordance with its location in the instruction sequence.
575695
International Business Machines Corporation
Saunders Raymond H.
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