Multiprocessing system using indirect addressing to access respective local semaphore registers bits for setting the bit or branching if the bit is set

In a tightly coupled communication scheme based on a common shared resource circuit and adapted particularly to a multiprocessing system having 2N CPUs, a method of accessing data in a shared resource register. An instruction issue circuit reads a semaphore bit in a local control circuit. If the bit...

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Hauptverfasser:	SCHIFFLEGER, ALAN J
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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creator	SCHIFFLEGER ALAN J
description	In a tightly coupled communication scheme based on a common shared resource circuit and adapted particularly to a multiprocessing system having 2N CPUs, a method of accessing data in a shared resource register. An instruction issue circuit reads a semaphore bit in a local control circuit. If the bit is clear, the next instruction issues. If, however, the bit is set, a branch is taken and instructions are executed starting at the branch address.
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
title	Multiprocessing system using indirect addressing to access respective local semaphore registers bits for setting the bit or branching if the bit is set
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