IT7923560A0 - Sistema di piu' elaboratori con memoria sincrona impiegata in comune. - Google Patents

Sistema di piu' elaboratori con memoria sincrona impiegata in comune.

Info

Publication number
IT7923560A0
IT7923560A0 IT7923560A IT2356079A IT7923560A0 IT 7923560 A0 IT7923560 A0 IT 7923560A0 IT 7923560 A IT7923560 A IT 7923560A IT 2356079 A IT2356079 A IT 2356079A IT 7923560 A0 IT7923560 A0 IT 7923560A0
Authority
IT
Italy
Prior art keywords
common
memory used
synchronous memory
several computers
computers
Prior art date
Application number
IT7923560A
Other languages
English (en)
Other versions
IT1166883B (it
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7923560A0 publication Critical patent/IT7923560A0/it
Application granted granted Critical
Publication of IT1166883B publication Critical patent/IT1166883B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/163—Interprocessor communication
    • G06F15/167—Interprocessor communication using a common memory, e.g. mailbox
    • 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)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Multi Processors (AREA)
  • Memory System (AREA)
IT23560/79A 1978-06-16 1979-06-14 Sistema di piu' elaboratori con memoria sincrona impiegata in comune IT1166883B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/916,455 US4209839A (en) 1978-06-16 1978-06-16 Shared synchronous memory multiprocessing arrangement

Publications (2)

Publication Number Publication Date
IT7923560A0 true IT7923560A0 (it) 1979-06-14
IT1166883B IT1166883B (it) 1987-05-06

Family

ID=25437290

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23560/79A IT1166883B (it) 1978-06-16 1979-06-14 Sistema di piu' elaboratori con memoria sincrona impiegata in comune

Country Status (9)

Country Link
US (1) US4209839A (it)
EP (1) EP0006164B1 (it)
JP (1) JPS55995A (it)
AU (1) AU528774B2 (it)
BR (1) BR7903718A (it)
CA (1) CA1158737A (it)
DE (1) DE2961670D1 (it)
ES (1) ES481312A1 (it)
IT (1) IT1166883B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368514A (en) * 1980-04-25 1983-01-11 Timeplex, Inc. Multi-processor system
US4399504A (en) * 1980-10-06 1983-08-16 International Business Machines Corporation Method and means for the sharing of data resources in a multiprocessing, multiprogramming environment
FR2500659B1 (fr) * 1981-02-25 1986-02-28 Philips Ind Commerciale Dispositif pour l'allocation dynamique des taches d'un ordinateur multiprocesseur
JPS57143658A (en) * 1981-03-02 1982-09-04 Nec Corp Microcomputer compounding system
US4494193A (en) * 1982-09-30 1985-01-15 At&T Bell Laboratories Deadlock detection and resolution scheme
FR2549621B1 (fr) * 1983-07-19 1988-09-16 Telecommunications Sa Systeme multiprocesseur pour communication des processeurs entre eux
GB2156554B (en) * 1984-03-10 1987-07-29 Rediffusion Simulation Ltd Processing system with shared data
US5581732A (en) * 1984-03-10 1996-12-03 Encore Computer, U.S., Inc. Multiprocessor system with reflective memory data transfer device
US5255369A (en) * 1984-03-10 1993-10-19 Encore Computer U.S., Inc. Multiprocessor system with reflective memory data transfer device
US4636978A (en) * 1984-06-13 1987-01-13 Signetics Corporation Programmable status register arrangement
US4760521A (en) * 1985-11-18 1988-07-26 White Consolidated Industries, Inc. Arbitration system using centralized and decentralized arbitrators to access local memories in a multi-processor controlled machine tool
JPS63132369A (ja) * 1986-11-21 1988-06-04 Oki Electric Ind Co Ltd メモリ情報転送方式
US5280604A (en) * 1986-12-29 1994-01-18 Nec Corporation Multiprocessor system sharing expandable virtual memory and common operating system
US5008816A (en) * 1987-11-06 1991-04-16 International Business Machines Corporation Data processing system with multi-access memory
US5544317A (en) * 1990-11-20 1996-08-06 Berg; David A. Method for continuing transmission of commands for interactive graphics presentation in a computer network
FI94190C (fi) * 1993-10-13 1995-07-25 Nokia Telecommunications Oy Menetelmä ja järjestelmä tiedon siirtämiseksi prosessorien välillä
FR2726383A1 (fr) * 1994-10-26 1996-05-03 Trt Telecom Radio Electr Systeme de traitement d'informations comportant au moins deux processeurs
US5878240A (en) * 1995-05-11 1999-03-02 Lucent Technologies, Inc. System and method for providing high speed memory access in a multiprocessor, multimemory environment
US6965974B1 (en) * 1997-11-14 2005-11-15 Agere Systems Inc. Dynamic partitioning of memory banks among multiple agents
US20020178313A1 (en) * 2001-03-30 2002-11-28 Gary Scott Paul Using software interrupts to manage communication between data processors
US11354755B2 (en) * 2014-09-11 2022-06-07 Intuit Inc. Methods systems and articles of manufacture for using a predictive model to determine tax topics which are relevant to a taxpayer in preparing an electronic tax return
US10255641B1 (en) 2014-10-31 2019-04-09 Intuit Inc. Predictive model based identification of potential errors in electronic tax return
US10740853B1 (en) 2015-04-28 2020-08-11 Intuit Inc. Systems for allocating resources based on electronic tax return preparation program user characteristics
US10740854B1 (en) 2015-10-28 2020-08-11 Intuit Inc. Web browsing and machine learning systems for acquiring tax data during electronic tax return preparation
US11138676B2 (en) 2016-11-29 2021-10-05 Intuit Inc. Methods, systems and computer program products for collecting tax data

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3400372A (en) * 1965-02-16 1968-09-03 Ibm Terminal for a multi-data processing system
GB1186414A (en) * 1966-05-25 1970-04-02 Gen Electric Input/Output Control Apparatus in a Computer System
US3566363A (en) * 1968-07-11 1971-02-23 Ibm Processor to processor communication in a multiprocessor computer system
US3568160A (en) * 1968-09-03 1971-03-02 Sperry Rand Corp Access control for plural magnetic memories
US3638198A (en) * 1969-07-09 1972-01-25 Burroughs Corp Priority resolution network for input/output exchange
US3651473A (en) * 1970-03-27 1972-03-21 Burroughs Corp Expandable interlock exchange for multiprocessing systems
ZA716503B (en) * 1970-10-02 1972-07-26 Gen Electric Co Ltd Improvements in or relating to selecting circuits
US3715729A (en) * 1971-03-10 1973-02-06 Ibm Timing control for a multiprocessor system
GB1394431A (en) * 1971-06-24 1975-05-14 Plessey Co Ltd Multiprocessor data processing system
IT976393B (it) * 1972-03-31 1974-08-20 Ibm Sistema multielaboratore perfezionato
GB1434186A (en) * 1972-04-26 1976-05-05 Gen Electric Co Ltd Multiprocessor computer systems
BE789828A (nl) * 1972-10-09 1973-04-09 Bell Telephone Mfg Gegevensverwerkend besturingsstelsel.
US3801962A (en) * 1972-12-29 1974-04-02 Ibm Communication mechanism for data transfer and control between data processing systems and subsystems
GB1411182A (en) * 1973-01-04 1975-10-22 Standard Telephones Cables Ltd Data processing
US3921145A (en) * 1973-10-12 1975-11-18 Burroughs Corp Multirequest grouping computer interface
US3889237A (en) * 1973-11-16 1975-06-10 Sperry Rand Corp Common storage controller for dual processor system
US4073005A (en) * 1974-01-21 1978-02-07 Control Data Corporation Multi-processor computer system
US3931613A (en) * 1974-09-25 1976-01-06 Data General Corporation Data processing system
US4051551A (en) * 1976-05-03 1977-09-27 Burroughs Corporation Multidimensional parallel access computer memory system
US4065809A (en) * 1976-05-27 1977-12-27 Tokyo Shibaura Electric Co., Ltd. Multi-processing system for controlling microcomputers and memories
US4145739A (en) * 1977-06-20 1979-03-20 Wang Laboratories, Inc. Distributed data processing system

Also Published As

Publication number Publication date
ES481312A1 (es) 1980-01-16
CA1158737A (en) 1983-12-13
BR7903718A (pt) 1980-02-05
JPS55995A (en) 1980-01-07
IT1166883B (it) 1987-05-06
US4209839A (en) 1980-06-24
EP0006164A1 (de) 1980-01-09
AU4698979A (en) 1979-12-20
DE2961670D1 (en) 1982-02-18
JPS6112586B2 (it) 1986-04-09
EP0006164B1 (de) 1981-12-30
AU528774B2 (en) 1983-05-12

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