G - Physics – 06 – F
Patent
G - Physics
06
F
354/230.82
G06F 9/38 (2006.01) G06F 9/48 (2006.01)
Patent
CA 1321655
AT9-88-080 TIGHTLY COUPLED MULTIPROCESSOR INSTRUCTION SYNCHRONIZATION Abstract A data processing system including an instruction storage buffer for storing a sequence of instructions requiring an operation by at least two processors. The two processors are provided that execute instructions from the instruction storage buffer. An instruction dispatch circuit is provided that dispatches the instructions to the processors. At least one processor includes the capability to execute dispatched instruc- tions before the execution of a preceding instruction in the instruction sequence by another processor. Also, at least one processor includes the capability to delay execution of an interruptable instruction until the instruction can be executed in its appropriate sequential order in the sequence. Also, upon the occurrence of the interrupt, the processors include the capability to purge the instruction storage buffer in order that the interrupt software instructions may be stored for execution.
608713
Grohoski Gregory F.
Kahle James A.
Nguyenphu Myhong
Ray David S.
International Business Machines Corporation
Saunders Raymond H.
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