BE889370A - Controleur d'arbitrage assurant l'acces a une ressource commune par plusieurs unites centrales de traitement - Google Patents

Controleur d'arbitrage assurant l'acces a une ressource commune par plusieurs unites centrales de traitement

Info

Publication number
BE889370A
BE889370A BE2/59234A BE2059234A BE889370A BE 889370 A BE889370 A BE 889370A BE 2/59234 A BE2/59234 A BE 2/59234A BE 2059234 A BE2059234 A BE 2059234A BE 889370 A BE889370 A BE 889370A
Authority
BE
Belgium
Prior art keywords
central processing
processing units
providing access
common resource
controller providing
Prior art date
Application number
BE2/59234A
Other languages
English (en)
Inventor
J A Comfort
T J Perry
M Loos
Original Assignee
Gte Automatic Electric Lab Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE889370A publication Critical patent/BE889370A/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
    • G06F13/37—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a physical-position-dependent priority, e.g. daisy chain, round robin or token passing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multi Processors (AREA)
  • Bus Control (AREA)
  • Memory System (AREA)
BE2/59234A 1980-06-26 1981-06-25 Controleur d'arbitrage assurant l'acces a une ressource commune par plusieurs unites centrales de traitement BE889370A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/163,045 US4374413A (en) 1980-06-26 1980-06-26 Arbitration controller providing for access of a common resource by a plurality of central processing units

Publications (1)

Publication Number Publication Date
BE889370A true BE889370A (fr) 1981-10-16

Family

ID=22588239

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/59234A BE889370A (fr) 1980-06-26 1981-06-25 Controleur d'arbitrage assurant l'acces a une ressource commune par plusieurs unites centrales de traitement

Country Status (4)

Country Link
US (1) US4374413A (fr)
JP (1) JPS5739467A (fr)
BE (1) BE889370A (fr)
CA (1) CA1164573A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490434B1 (fr) * 1980-09-12 1988-03-18 Quinquis Jean Paul Dispositif de resolution des conflits d'acces et d'allocation d'une liaison de type bus interconnectant un ensemble de processeurs non hierarchises
DE3070320D1 (en) 1980-09-27 1985-04-25 Ibm Deutschland Priority stage controlled interruption device
US4539656A (en) * 1982-11-01 1985-09-03 Gte Automatic Electric Incorporated Memory access selection circuit
US4597054A (en) * 1982-12-02 1986-06-24 Ncr Corporation Arbiter circuit and method
US4675812A (en) * 1983-02-14 1987-06-23 International Business Machines Corp. Priority circuit for channel subsystem having components with diverse and changing requirement for system resources
US4620278A (en) * 1983-08-29 1986-10-28 Sperry Corporation Distributed bus arbitration according each bus user the ability to inhibit all new requests to arbitrate the bus, or to cancel its own pending request, and according the highest priority user the ability to stop the bus
US4639859A (en) * 1984-05-24 1987-01-27 Rca Corporation Priority arbitration logic for a multi-master bus system
US4730268A (en) * 1985-04-30 1988-03-08 Texas Instruments Incorporated Distributed bus arbitration for a multiprocessor system
US4894769A (en) * 1987-02-20 1990-01-16 Ag Communication Systems Corporation Increased bandwith for multi-processor access of a common resource
US5193196A (en) * 1988-04-04 1993-03-09 Hitachi, Ltd. Process request arbitration system which preferentially maintains previously selected process request upon receipt of a subsequent request of identical priority
US5053942A (en) * 1988-11-01 1991-10-01 The Regents Of The University Of California Bit-sliced cross-connect chip having a tree topology of arbitration cells for connecting memory modules to processors in a multiprocessor system
US5088024A (en) * 1989-01-31 1992-02-11 Wisconsin Alumni Research Foundation Round-robin protocol method for arbitrating access to a shared bus arbitration providing preference to lower priority units after bus access by a higher priority unit
US5274774A (en) * 1989-01-31 1993-12-28 Wisconsin Alumni Research Foundation First-come first-serve arbitration protocol
US5261109A (en) * 1990-12-21 1993-11-09 Intel Corporation Distributed arbitration method and apparatus for a computer bus using arbitration groups
US5251305A (en) * 1991-04-04 1993-10-05 Unisys Corporation Apparatus and method for preventing bus contention among a plurality of data sources
US5481707A (en) * 1991-05-19 1996-01-02 Unisys Corporation Dedicated processor for task I/O and memory management
FR2691558B1 (fr) * 1992-05-21 1997-08-01 Sextant Avionique Dispositif de gestion de la priorite d'acces a des ressources communes, de modules fonctionnels repartis dans une pluralite d'unites locales en formant dans chacune de celles-ci, une "daisy chain" locale.
JP2531903B2 (ja) * 1992-06-22 1996-09-04 インターナショナル・ビジネス・マシーンズ・コーポレイション コンピュ―タ・システムおよびシステム拡張装置
JPH07105146A (ja) * 1993-10-01 1995-04-21 Toyota Motor Corp 共有メモリ装置
US5875338A (en) * 1995-12-14 1999-02-23 International Business Machines Corporation Method and apparatus for arbitrating resource requests utilizing independent tokens for arbiter cell selection
US5896539A (en) * 1997-04-14 1999-04-20 International Business Machines Corporation Method and system for controlling access to a shared resource in a data processing system utilizing dynamically-determined weighted pseudo-random priorities
US6415369B1 (en) * 2000-08-29 2002-07-02 Agere Systems Guardian Corp. Shared devices and memory using split bus and time slot interface bus arbitration

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505651A (en) * 1967-02-28 1970-04-07 Gen Electric Data storage access control apparatus for a multicomputer system
US3521238A (en) * 1967-07-13 1970-07-21 Honeywell Inc Multi-processor computing apparatus
US3699529A (en) * 1971-01-07 1972-10-17 Rca Corp Communication among computers
US3806885A (en) * 1972-12-29 1974-04-23 Ibm Polling mechanism for transferring control from one data processing system or subsystem to another
US3882455A (en) * 1973-09-14 1975-05-06 Gte Automatic Electric Lab Inc Configuration control circuit for control and maintenance complex of digital communications system
US4034347A (en) * 1975-08-08 1977-07-05 Bell Telephone Laboratories, Incorporated Method and apparatus for controlling a multiprocessor system
US4171536A (en) * 1976-05-03 1979-10-16 International Business Machines Corporation Microprocessor system
US4065809A (en) * 1976-05-27 1977-12-27 Tokyo Shibaura Electric Co., Ltd. Multi-processing system for controlling microcomputers and memories
US4228496A (en) * 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
US4096571A (en) * 1976-09-08 1978-06-20 Codex Corporation System for resolving memory access conflicts among processors and minimizing processor waiting times for access to memory by comparing waiting times and breaking ties by an arbitrary priority ranking
US4159518A (en) * 1977-07-05 1979-06-26 International Business Machines Corporation Auto-selection priority circuits for plural channel adapters
US4164787A (en) * 1977-11-09 1979-08-14 Bell Telephone Laboratories, Incorporated Multiple microprocessor intercommunication arrangement

Also Published As

Publication number Publication date
JPS5739467A (en) 1982-03-04
US4374413A (en) 1983-02-15
CA1164573A (fr) 1984-03-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19890630