GB2114783B - Cache arrangement utilizing a split cycle mode of operation - Google Patents

Cache arrangement utilizing a split cycle mode of operation

Info

Publication number: GB2114783B
Authority: GB; United Kingdom
Prior art keywords: cycle mode; arrangement utilizing; split cycle; cache arrangement; cache
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

GB08216967A

Other versions

GB2114783A (en

Inventor

Marion G Porter

Robert W Norman

William A Shelly

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

1982-06-11

Publication date

1984-01-11

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

1982-06-11 Application filed by Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA

1983-08-24 Publication of GB2114783A publication Critical patent/GB2114783A/en

1984-01-11 Application granted granted Critical

1984-01-11 Publication of GB2114783B publication Critical patent/GB2114783B/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)

GB08216967A 1978-12-11 1982-06-11 Cache arrangement utilizing a split cycle mode of operation Expired GB2114783B (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
GB2114783A GB2114783A (en)	1983-08-24
GB2114783B true GB2114783B (en)	1984-01-11

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 Before (1)

Application Number	Title	Priority Date	Filing Date
GB7938170A Expired GB2037039B (en)	1978-12-11	1979-11-05	Cache memory system

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
FR2448189B1 (en)	1988-10-21
DE2949571A1 (en)	1980-06-19
DE2949571C2 (en)	1988-06-30
CA1141040A (en)	1983-02-08
GB2037039B (en)	1983-08-17
GB2037039A (en)	1980-07-02
GB2114783A (en)	1983-08-24
FR2448189A1 (en)	1980-08-29

Publication	Publication Date	Title
AU531918B2 (en)	1983-09-08	Split cycle cache arrangement
JPS5585853A (en)	1980-06-28	Refrigeration cycle
DE2961003D1 (en)	1981-12-24	Cycle sprocket
DK217479A (en)	1979-11-27	SLOW MACHINE
ZA795382B (en)	1980-09-24	A lighting unit
JPS5514387A (en)	1980-01-31	Expansion shaft
GB2021055B (en)	1983-01-19	Folding cycle
DK253079A (en)	1979-12-21	SLOW MACHINE
GB2041456B (en)	1983-02-09	Fluid-powered engine
JPS5587766A (en)	1980-07-02	155deoxyy166hydroxyy166substituted prostanoic acids
GB2031530B (en)	1982-09-08	Bellows seals
BR7901091A (en)	1979-10-02	FREIO TO DRUM
JPS54118943A (en)	1979-09-14	Expansible constanttblow bellows
ZA792498B (en)	1980-06-25	Cycle
GB2114783B (en)	1984-01-11	Cache arrangement utilizing a split cycle mode of operation
AU4012878A (en)	1979-04-12	Tary motion
JPS54145669A (en)	1979-11-14	44azaa177substitutedd5 alphaaandrostanee33one which is testosteronee5 alphaareductase repressor
AU4096678A (en)	1980-05-01	Attachment for motion translating machine
JPS5565871A (en)	1980-05-17	Refrigeration cycle
JPS5516695A (en)	1980-02-05	Linking machine
JPS5523859A (en)	1980-02-20	Pluralltemperature refrigeration cycle
CS865079A2 (en)	1985-08-15	Zarizeni pro odtahovani a vysouvani hotovych hadicovych upletu z okrouhlych pletacich stroju
GB2019941B (en)	1982-11-17	Rotary-piston fluid-machine
FI791493A (en)	1979-11-25	REFERENCE TO A STEEL SPECIFIC FRAMSTAELLNING AV IMIDAZOLYL-OXIMETER- OCH IMIDAZOLYLOXIMDERIVAT
JPS55837A (en)	1980-01-07	Heattpumpptype refrigeration cycle

Legal Events

Date	Code	Title	Description
1990-07-04	PCNP	Patent ceased through non-payment of renewal fee