GB2037039B - Cache memory system - Google Patents

Cache memory system

Info

Publication number: GB2037039B
Authority: GB; United Kingdom
Prior art keywords: cache memory; memory system; cache; memory
Prior art date: 1978-12-11
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

GB7938170A

Other versions

GB2037039A (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.)

1978-12-11

Filing date

1979-11-05

Publication date

1983-08-17

1978-12-11 Priority claimed from US05/968,312 external-priority patent/US4245304A/en

1978-12-11 Priority claimed from US05/968,521 external-priority patent/US4208716A/en

1979-11-05 Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA

1980-07-02 Publication of GB2037039A publication Critical patent/GB2037039A/en

1983-08-17 Application granted granted Critical

1983-08-17 Publication of GB2037039B publication Critical patent/GB2037039B/en

Status Expired legal-status Critical Current

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
- G06F12/0859—Overlapped cache accessing, e.g. pipeline with reload from main memory
- 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
- G06F12/0846—Cache with multiple tag or data arrays being simultaneously accessible
- 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

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)
Memory System (AREA)

GB7938170A 1978-12-11 1979-11-05 Cache memory system Expired GB2037039B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/968,312 US4245304A (en)	1978-12-11	1978-12-11	Cache arrangement utilizing a split cycle mode of operation
US05/968,521 US4208716A (en)	1978-12-11	1978-12-11	Cache arrangement for performing simultaneous read/write operations

Publications (2)

Publication Number	Publication Date
GB2037039A GB2037039A (en)	1980-07-02
GB2037039B true GB2037039B (en)	1983-08-17

Family

ID=27130509

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB7938170A Expired GB2037039B (en)	1978-12-11	1979-11-05	Cache memory system
GB08216967A Expired GB2114783B (en)	1978-12-11	1982-06-11	Cache arrangement utilizing a split cycle mode of operation

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB08216967A Expired GB2114783B (en)	1978-12-11	1982-06-11	Cache arrangement utilizing a split cycle mode of operation

Country Status (4)

Country	Link
CA (1)	CA1141040A (en)
DE (1)	DE2949571A1 (en)
FR (1)	FR2448189B1 (en)
GB (2)	GB2037039B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2474201B1 (en) *	1980-01-22	1986-05-16	Bull Sa	METHOD AND DEVICE FOR MANAGING CONFLICTS CAUSED BY MULTIPLE ACCESSES TO THE SAME CACH OF A DIGITAL INFORMATION PROCESSING SYSTEM COMPRISING AT LEAST TWO PROCESSES EACH HAVING A CACHE
SE445270B (en) *	1981-01-07	1986-06-09	Wang Laboratories	COMPUTER WITH A POCKET MEMORY, WHICH WORKING CYCLE IS DIVIDED INTO TWO SUBCycles
DE3537115A1 (en) *	1985-10-18	1987-05-27	Standard Elektrik Lorenz Ag	METHOD FOR OPERATING A DEVICE WITH TWO INDEPENDENT COMMAND INPUTS AND DEVICE WORKING ACCORDING TO THIS METHOD
JPH07122868B2 (en) *	1988-11-29	1995-12-25	日本電気株式会社	Information processing equipment
US5058116A (en) *	1989-09-19	1991-10-15	International Business Machines Corporation	Pipelined error checking and correction for cache memories

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3588829A (en)	1968-11-14	1971-06-28	Ibm	Integrated memory system with block transfer to a buffer store
US3670309A (en) *	1969-12-23	1972-06-13	Ibm	Storage control system
FR129151A (en) *	1974-02-09
US3967247A (en) *	1974-11-11	1976-06-29	Sperry Rand Corporation	Storage interface unit
US4056845A (en) *	1975-04-25	1977-11-01	Data General Corporation	Memory access technique
US4055851A (en) *	1976-02-13	1977-10-25	Digital Equipment Corporation	Memory module with means for generating a control signal that inhibits a subsequent overlapped memory cycle during a reading operation portion of a reading memory cycle
US4070706A (en)	1976-09-20	1978-01-24	Sperry Rand Corporation	Parallel requestor priority determination and requestor address matching in a cache memory system

1979
- 1979-11-05 GB GB7938170A patent/GB2037039B/en not_active Expired
- 1979-11-14 CA CA000339865A patent/CA1141040A/en not_active Expired
- 1979-12-10 FR FR7930206A patent/FR2448189B1/en not_active Expired
- 1979-12-10 DE DE19792949571 patent/DE2949571A1/en active Granted
1982
- 1982-06-11 GB GB08216967A patent/GB2114783B/en not_active Expired

Also Published As

Publication number	Publication date
GB2114783B (en)	1984-01-11
CA1141040A (en)	1983-02-08
DE2949571C2 (en)	1988-06-30
FR2448189A1 (en)	1980-08-29
DE2949571A1 (en)	1980-06-19
FR2448189B1 (en)	1988-10-21
GB2037039A (en)	1980-07-02
GB2114783A (en)	1983-08-24

Publication	Publication Date	Title
GB2068155B (en)	1984-04-04	Cache memory system
GB2019069B (en)	1982-07-07	Multiprocessor system
JPS5587367A (en)	1980-07-02	Cache memory
JPS558696A (en)	1980-01-22	Nonnvolatile memory
GB2037041B (en)	1983-05-05	Cache unit
JPS53148928A (en)	1978-12-26	Memory system
JPS54124941A (en)	1979-09-28	Memory system
DE2967321D1 (en)	1985-01-17	High density memory system
JPS5587368A (en)	1980-07-02	Cache unit
JPS5552274A (en)	1980-04-16	Nonnvolatile memory
GB2037521B (en)	1983-01-26	Memory device
JPS5525895A (en)	1980-02-23	Memory system
JPS53137638A (en)	1978-12-01	Hierarchical memory system
GB2022355B (en)	1982-09-22	Special effects memory system
JPS5589968A (en)	1980-07-08	Memory system
GB2065941B (en)	1984-02-29	Cache store system
JPS54132136A (en)	1979-10-13	Memory system
GB2016758B (en)	1982-10-06	Checking memories
JPS54142925A (en)	1979-11-07	Memory
JPS567291A (en)	1981-01-24	Memory operating system
DE2967586D1 (en)	1986-04-17	Row-column-addressable memory with serial-parallel-serial configuration
GB2037039B (en)	1983-08-17	Cache memory system
JPS5577087A (en)	1980-06-10	Memory unit
DE2964922D1 (en)	1983-03-31	Line-addressable memory with serial-parallel-serial configuration
GB2056132B (en)	1982-09-08	Memory system

Legal Events

Date	Code	Title	Description
1994-06-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19931105