U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Processor-selection system

Patent 4954945 Issued on September 4, 1990. Estimated Expiration Date: Icon_subject September 4, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Apparatus for detecting when the activity of one process in relation to a common piece of information interferes with any other process in a multiprogramming/multiprocessing computer system
Patent #: 4224664
Issued on: 09/23/1980
Inventor: Trinchieri

Signal-processing multiprocessor system
Patent #: 4542455
Issued on: 09/17/1985
Inventor: Demeure

Apparatus and method for controlling digital data processing system employing multiple processors
Patent #: 4543626
Issued on: 09/24/1985
Inventor: Bean ,   et al.

Method of performing a sequence of related activities via multiple asynchronously intercoupled digital processors Patent #: 4564901
Issued on: 01/14/1986
Inventor: Tomlinson ,   et al.

Inventor

Application

No. 022087 filed on 03/05/1987

US Classes:

718/105, Load balancing712/203, Multiprocessor instruction718/106Dependency based cooperative processing of multiple programs working together to accomplish a larger task

Examiners

Primary: Chan, Eddie P.

Attorney, Agent or Firm

International Classes

G06F 015/16
G06F 009/40

Foreign Application Priority Data

1986-03-29 JP

Abstract

A processor-selection system comprises a plurality of processors connected to each other via bus lines, and a processor-determining section for determining which processor can best execute a task requested by the processor. The respective processor comprises a task table for storing the types of processable tasks and processes performance levels, a flag register for storing a flag showing that the processor is now being occupied, and a comparator for delivering a process-enable signal to the processor-determining section, when a task-processing request made by another processor or processors is accepted, based on information contained in the task table and on the contents of the flag. The processor-determining section determines a suitable processor, in response to the process-enable signal, so that the requested task can be performed.

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