DE3786973T2 - Semaphorschaltung für gemeinsam genutzte Speicherzellen. - Google Patents
Semaphorschaltung für gemeinsam genutzte Speicherzellen.Info
- Publication number
- DE3786973T2 DE3786973T2 DE87113134T DE3786973T DE3786973T2 DE 3786973 T2 DE3786973 T2 DE 3786973T2 DE 87113134 T DE87113134 T DE 87113134T DE 3786973 T DE3786973 T DE 3786973T DE 3786973 T2 DE3786973 T2 DE 3786973T2
- Authority
- DE
- Germany
- Prior art keywords
- memory cells
- shared memory
- semaphore circuit
- semaphore
- circuit
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
-
- 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
- G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Multi Processors (AREA)
- Memory System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/908,302 US4780822A (en) | 1986-09-17 | 1986-09-17 | Semaphore circuit for shared memory cells |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3786973D1 DE3786973D1 (de) | 1993-09-16 |
DE3786973T2 true DE3786973T2 (de) | 1994-03-10 |
Family
ID=25425556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87113134T Expired - Lifetime DE3786973T2 (de) | 1986-09-17 | 1987-09-08 | Semaphorschaltung für gemeinsam genutzte Speicherzellen. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4780822A (de) |
EP (1) | EP0261497B1 (de) |
JP (1) | JPS6389961A (de) |
DE (1) | DE3786973T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2749819B2 (ja) * | 1987-10-26 | 1998-05-13 | 松下電工株式会社 | 共有メモリ制御方式 |
US4928222A (en) * | 1988-10-31 | 1990-05-22 | International Business Machines Corporation | Enhanced semaphore architecture |
US5669002A (en) * | 1990-06-28 | 1997-09-16 | Digital Equipment Corp. | Multi-processor resource locking mechanism with a lock register corresponding to each resource stored in common memory |
US5196906A (en) * | 1990-06-29 | 1993-03-23 | Tma Technologies, Inc. | Modular scatterometer with interchangeable scanning heads |
US5261106A (en) * | 1991-12-13 | 1993-11-09 | S-Mos Systems, Inc. | Semaphore bypass |
US5448714A (en) * | 1992-01-02 | 1995-09-05 | Integrated Device Technology, Inc. | Sequential-access and random-access dual-port memory buffer |
WO1993024888A1 (en) * | 1992-05-22 | 1993-12-09 | Massachusetts Institute Of Technology | Response resolver for associative memories and parallel processors |
US5440746A (en) * | 1992-11-06 | 1995-08-08 | Seiko Epson Corporation | System and method for synchronizing processors in a parallel processing environment |
US5931923A (en) * | 1996-02-16 | 1999-08-03 | Advanced Micro Devices, Inc. | System for accessing control to a peripheral device utilizing a synchronization primitive within the peripheral device |
US5869979A (en) * | 1996-04-05 | 1999-02-09 | Altera Corporation | Technique for preconditioning I/Os during reconfiguration |
KR100302924B1 (ko) * | 1996-12-20 | 2001-09-22 | 포만 제프리 엘 | 데이터통신장치 |
US6212607B1 (en) | 1997-01-17 | 2001-04-03 | Integrated Device Technology, Inc. | Multi-ported memory architecture using single-ported RAM |
US6108756A (en) * | 1997-01-17 | 2000-08-22 | Integrated Device Technology, Inc. | Semaphore enhancement to allow bank selection of a shared resource memory device |
FR2759472B1 (fr) * | 1997-02-12 | 1999-05-07 | Thomson Csf | Registre semaphore rapide a fonctionnement securise sans protocole de bus specifique |
US6892258B1 (en) * | 2001-10-26 | 2005-05-10 | Lsi Logic Corporation | Hardware semaphores for a multi-processor system within a shared memory architecture |
US9292533B2 (en) | 2010-06-08 | 2016-03-22 | Dell Products L.P. | Systems and methods for improving storage efficiency in an information handling system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50113316U (de) * | 1974-02-25 | 1975-09-16 | ||
JPS5837585B2 (ja) * | 1975-09-30 | 1983-08-17 | 株式会社東芝 | ケイサンキソウチ |
JPS52130246A (en) * | 1976-04-24 | 1977-11-01 | Fujitsu Ltd | Memory access control system |
JPS547252A (en) * | 1977-06-20 | 1979-01-19 | Hitachi Ltd | Program control system |
JPS55150054A (en) * | 1979-05-11 | 1980-11-21 | Nissin Electric Co Ltd | Multi-computer system |
US4380798A (en) * | 1980-09-15 | 1983-04-19 | Motorola, Inc. | Semaphore register including ownership bits |
JPS58140862A (ja) * | 1982-02-16 | 1983-08-20 | Toshiba Corp | 相互排他方式 |
US4594657A (en) * | 1983-04-22 | 1986-06-10 | Motorola, Inc. | Semaphore for memory shared by two asynchronous microcomputers |
JPS6194170A (ja) * | 1984-10-15 | 1986-05-13 | Oki Electric Ind Co Ltd | 同期形ア−ビタ回路 |
-
1986
- 1986-09-17 US US06/908,302 patent/US4780822A/en not_active Expired - Lifetime
-
1987
- 1987-09-08 EP EP87113134A patent/EP0261497B1/de not_active Expired - Lifetime
- 1987-09-08 DE DE87113134T patent/DE3786973T2/de not_active Expired - Lifetime
- 1987-09-16 JP JP62231999A patent/JPS6389961A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6389961A (ja) | 1988-04-20 |
US4780822A (en) | 1988-10-25 |
EP0261497B1 (de) | 1993-08-11 |
JPH0542028B2 (de) | 1993-06-25 |
EP0261497A3 (en) | 1989-09-20 |
EP0261497A2 (de) | 1988-03-30 |
DE3786973D1 (de) | 1993-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN |