FR2611940B1 - Systeme de commande d'acces memoire - Google Patents

Systeme de commande d'acces memoire

Info

Publication number
FR2611940B1
FR2611940B1 FR888802787A FR8802787A FR2611940B1 FR 2611940 B1 FR2611940 B1 FR 2611940B1 FR 888802787 A FR888802787 A FR 888802787A FR 8802787 A FR8802787 A FR 8802787A FR 2611940 B1 FR2611940 B1 FR 2611940B1
Authority
FR
France
Prior art keywords
control system
access control
memory access
memory
control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR888802787A
Other languages
English (en)
Other versions
FR2611940A1 (fr
Inventor
Fumio Aono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of FR2611940A1 publication Critical patent/FR2611940A1/fr
Application granted granted Critical
Publication of FR2611940B1 publication Critical patent/FR2611940B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0844—Multiple simultaneous or quasi-simultaneous cache accessing
    • G06F12/0855—Overlapped cache accessing, e.g. pipeline
    • 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
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/161—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement
    • G06F13/1615—Handling requests for interconnection or transfer for access to memory bus based on arbitration with latency improvement using a concurrent pipeline structrure

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
FR888802787A 1987-03-04 1988-03-04 Systeme de commande d'acces memoire Expired - Fee Related FR2611940B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4770187 1987-03-04
JP4770287 1987-03-04
JP4770487 1987-03-04

Publications (2)

Publication Number Publication Date
FR2611940A1 FR2611940A1 (fr) 1988-09-09
FR2611940B1 true FR2611940B1 (fr) 1990-11-16

Family

ID=27293052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888802787A Expired - Fee Related FR2611940B1 (fr) 1987-03-04 1988-03-04 Systeme de commande d'acces memoire

Country Status (2)

Country Link
US (1) US4965764A (fr)
FR (1) FR2611940B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0442116A3 (en) * 1990-02-13 1993-03-03 Hewlett-Packard Company Pipeline method and apparatus
CA2106271C (fr) * 1993-01-11 2004-11-30 Joseph H. Steinmetz Architecture de memoires premier entre premier sorti a un et a plusieurs etages pour synchroniseurs de transfert de donnees
US6021471A (en) * 1994-11-15 2000-02-01 Advanced Micro Devices, Inc. Multiple level cache control system with address and data pipelines
GB2491156B (en) * 2011-05-25 2019-08-07 Advanced Risc Mach Ltd Processing pipeline control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3900836A (en) * 1973-11-30 1975-08-19 Ibm Interleaved memory control signal handling apparatus using pipelining techniques
US4317168A (en) * 1979-11-23 1982-02-23 International Business Machines Corporation Cache organization enabling concurrent line castout and line fetch transfers with main storage
US4345309A (en) * 1980-01-28 1982-08-17 Digital Equipment Corporation Relating to cached multiprocessor system with pipeline timing
US4392200A (en) * 1980-01-28 1983-07-05 Digital Equipment Corporation Cached multiprocessor system with pipeline timing
US4546430A (en) * 1983-07-13 1985-10-08 Sperry Corporation Control unit busy queuing

Also Published As

Publication number Publication date
US4965764A (en) 1990-10-23
FR2611940A1 (fr) 1988-09-09

Similar Documents

Publication Publication Date Title
GB2202977B (en) Computer system having direct memory access
GB2193017B (en) Improved memory access system
EP0444601A3 (en) Memory access control
DE3851445D1 (de) Durch Direktspeicherzugriff gesteuertes System.
DE68918714D1 (de) Spurzugangsregelsystem.
DE68925048D1 (de) Direktspeicherzugriffssteuerung
BE894205A (fr) Systeme de securite a multiples niveaux d'acces
DE68927015D1 (de) Direktspeicherzugriffssteuerung
FR2645298B1 (fr) Controleur d'acces direct en memoire
FR2644260B1 (fr) Dispositif de commande d'acces en memoire pouvant proceder a une commande simple
EP0282248A3 (en) Block access system using cache memory
KR970008600B1 (en) Memory access system
EP0409330A3 (en) Memory access control circuit
FR2632102B1 (fr) Systeme de controle, notamment de controle d'acces a un lieu prive
DE69031529D1 (de) Speichersteuerungssystem
DE3855284D1 (de) Direktspeicherzugriffssteuerung
EP0415433A3 (en) Main memory control system
FR2611940B1 (fr) Systeme de commande d'acces memoire
FR2607282B1 (fr) Dispositif de commande d'acces a une memoire
GB2234611B (en) Memory system
DE69224489D1 (de) Speicherzugriffssteuerung
FR2611936B1 (fr) Systeme de commande de correction d'erreur pour memoire de commande
FR2656455B1 (fr) Circuit de precharge d'un bus de memoire.
FR2623355B1 (fr) Systeme de television a acces controle
FR2611938B1 (fr) Systeme de commande d'acces en memoire

Legal Events

Date Code Title Description
ST Notification of lapse