FR2448189B1 - ANTEMEMORY UNIT WITH SIMULTANEOUS READ / WRITE DEVICE - Google Patents
ANTEMEMORY UNIT WITH SIMULTANEOUS READ / WRITE DEVICEInfo
- Publication number
- FR2448189B1 FR2448189B1 FR7930206A FR7930206A FR2448189B1 FR 2448189 B1 FR2448189 B1 FR 2448189B1 FR 7930206 A FR7930206 A FR 7930206A FR 7930206 A FR7930206 A FR 7930206A FR 2448189 B1 FR2448189 B1 FR 2448189B1
- Authority
- FR
- France
- Prior art keywords
- antememory
- unit
- write device
- simultaneous read
- simultaneous
- 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
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
- 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)
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 |
---|---|
FR2448189A1 FR2448189A1 (en) | 1980-08-29 |
FR2448189B1 true FR2448189B1 (en) | 1988-10-21 |
Family
ID=27130509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7930206A Expired FR2448189B1 (en) | 1978-12-11 | 1979-12-10 | ANTEMEMORY UNIT WITH SIMULTANEOUS READ / WRITE DEVICE |
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)
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)
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 |
---|---|
DE2949571A1 (en) | 1980-06-19 |
FR2448189A1 (en) | 1980-08-29 |
GB2037039B (en) | 1983-08-17 |
DE2949571C2 (en) | 1988-06-30 |
GB2114783B (en) | 1984-01-11 |
CA1141040A (en) | 1983-02-08 |
GB2037039A (en) | 1980-07-02 |
GB2114783A (en) | 1983-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |