GB2056135B - Data processing system including a cache store - Google Patents

Data processing system including a cache store

Info

Publication number
GB2056135B
GB2056135B GB8029420A GB8029420A GB2056135B GB 2056135 B GB2056135 B GB 2056135B GB 8029420 A GB8029420 A GB 8029420A GB 8029420 A GB8029420 A GB 8029420A GB 2056135 B GB2056135 B GB 2056135B
Authority
GB
United Kingdom
Prior art keywords
data processing
processing system
system including
cache store
cache
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
Application number
GB8029420A
Other versions
GB2056135A (en
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.)
Bull HN Information Systems Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems 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
Priority claimed from US05/863,091 external-priority patent/US4195340A/en
Priority claimed from US05/863,095 external-priority patent/US4157587A/en
Priority claimed from US05/863,092 external-priority patent/US4167782A/en
Priority claimed from US05/863,102 external-priority patent/US4195343A/en
Priority claimed from US05/863,093 external-priority patent/US4214303A/en
Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of GB2056135A publication Critical patent/GB2056135A/en
Application granted granted Critical
Publication of GB2056135B publication Critical patent/GB2056135B/en
Expired 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
    • G06F12/12—Replacement control
    • G06F12/121—Replacement control using replacement algorithms
    • G06F12/123—Replacement control using replacement algorithms with age lists, e.g. queue, most recently used [MRU] list or least recently used [LRU] list
    • 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
    • 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
    • G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0815—Cache consistency protocols
    • G06F12/0831—Cache consistency protocols using a bus scheme, e.g. with bus monitoring or watching means
    • 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
    • G06F12/0862—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with prefetch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/60—Details of cache memory
    • G06F2212/6022—Using a prefetch buffer or dedicated prefetch cache
GB8029420A 1977-12-22 1978-11-24 Data processing system including a cache store Expired GB2056135B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US05/863,091 US4195340A (en) 1977-12-22 1977-12-22 First in first out activity queue for a cache store
US05/863,095 US4157587A (en) 1977-12-22 1977-12-22 High speed buffer memory system with word prefetch
US05/863,092 US4167782A (en) 1977-12-22 1977-12-22 Continuous updating of cache store
US05/863,102 US4195343A (en) 1977-12-22 1977-12-22 Round robin replacement for a cache store
US05/863,093 US4214303A (en) 1977-12-22 1977-12-22 Word oriented high speed buffer memory system connected to a system bus

Publications (2)

Publication Number Publication Date
GB2056135A GB2056135A (en) 1981-03-11
GB2056135B true GB2056135B (en) 1982-11-24

Family

ID=27542268

Family Applications (4)

Application Number Title Priority Date Filing Date
GB8029420A Expired GB2056135B (en) 1977-12-22 1978-11-24 Data processing system including a cache store
GB7845974A Expired GB2011134B (en) 1977-12-22 1978-11-24 Data processing systems
GB8029421A Expired GB2055233B (en) 1977-12-22 1978-11-24 Data processing system including a cache store
GB8029419A Expired GB2056134B (en) 1977-12-22 1978-11-24 Data processing system including a cache store

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB7845974A Expired GB2011134B (en) 1977-12-22 1978-11-24 Data processing systems
GB8029421A Expired GB2055233B (en) 1977-12-22 1978-11-24 Data processing system including a cache store
GB8029419A Expired GB2056134B (en) 1977-12-22 1978-11-24 Data processing system including a cache store

Country Status (3)

Country Link
DE (1) DE2855856A1 (en)
FR (1) FR2412910B1 (en)
GB (4) GB2056135B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU604101B2 (en) * 1987-04-13 1990-12-06 Computervision Corporation High availability cache organization
EP0348628A3 (en) * 1988-06-28 1991-01-02 International Business Machines Corporation Cache storage system
DE4127579A1 (en) * 1991-08-21 1993-02-25 Standard Elektrik Lorenz Ag STORAGE UNIT WITH AN ADDRESS GENERATOR
DE69330875T2 (en) * 1992-02-28 2002-04-11 Oki Electric Ind Co Ltd CACHE DEVICE.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1485758A (en) * 1973-09-16 1977-09-14 Hawker Siddeley Dynamics Ltd Computer systems
US3840863A (en) * 1973-10-23 1974-10-08 Ibm Dynamic storage hierarchy system
FR129151A (en) * 1974-02-09
DE2605617A1 (en) * 1976-02-12 1977-08-18 Siemens Ag CIRCUIT ARRANGEMENT FOR ADDRESSING DATA

Also Published As

Publication number Publication date
GB2056134B (en) 1982-10-13
GB2011134B (en) 1982-07-07
GB2055233B (en) 1982-11-24
GB2056134A (en) 1981-03-11
FR2412910B1 (en) 1986-04-11
FR2412910A1 (en) 1979-07-20
GB2055233A (en) 1981-02-25
GB2056135A (en) 1981-03-11
DE2855856A1 (en) 1980-01-10
GB2011134A (en) 1979-07-04
DE2855856C2 (en) 1989-08-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee