CA2051209A1 - Protocoles de coherence pour multiprocesseurs a memoire commune - Google Patents
Protocoles de coherence pour multiprocesseurs a memoire communeInfo
- Publication number
- CA2051209A1 CA2051209A1 CA2051209A CA2051209A CA2051209A1 CA 2051209 A1 CA2051209 A1 CA 2051209A1 CA 2051209 A CA2051209 A CA 2051209A CA 2051209 A CA2051209 A CA 2051209A CA 2051209 A1 CA2051209 A1 CA 2051209A1
- Authority
- CA
- Canada
- Prior art keywords
- protocol
- bus
- write
- caches
- processors
- 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.)
- Granted
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
- G06F12/0806—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
- G06F12/0833—Cache consistency protocols using a bus scheme, e.g. with bus monitoring or watching means in combination with broadcast means (e.g. for invalidation or updating)
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)
- Multi Processors (AREA)
- Information Transfer Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62049690A | 1990-11-30 | 1990-11-30 | |
US620496 | 1990-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2051209A1 true CA2051209A1 (fr) | 1992-05-31 |
CA2051209C CA2051209C (fr) | 1996-05-07 |
Family
ID=24486187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002051209A Expired - Lifetime CA2051209C (fr) | 1990-11-30 | 1991-09-12 | Protocoles de coherence pour multiprocesseurs a memoire commune |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0489556B1 (fr) |
JP (1) | JPH0810447B2 (fr) |
CA (1) | CA2051209C (fr) |
DE (1) | DE69111764T2 (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5724549A (en) * | 1992-04-06 | 1998-03-03 | Cyrix Corporation | Cache coherency without bus master arbitration signals |
FR2707776B1 (fr) * | 1993-07-15 | 1995-08-18 | Bull Sa | Procédé de gestion de mémoires d'un système informatique, système informatique mémoire et support d'enregistrement mettant en Óoeuvre le procédé. |
FR2707774B1 (fr) * | 1993-07-15 | 1995-08-18 | Bull Sa | Procédé de gestion cohérente des échanges entre des niveaux d'une hiérarchie de mémoires à au moins trois niveaux. |
US5530933A (en) * | 1994-02-24 | 1996-06-25 | Hewlett-Packard Company | Multiprocessor system for maintaining cache coherency by checking the coherency in the order of the transactions being issued on the bus |
JPH0836526A (ja) * | 1994-07-22 | 1996-02-06 | Nec Gumma Ltd | 情報処理システム |
JP3872118B2 (ja) * | 1995-03-20 | 2007-01-24 | 富士通株式会社 | キャッシュコヒーレンス装置 |
EP0735481B1 (fr) * | 1995-03-31 | 2003-05-14 | Sun Microsystems, Inc. | Mécanisme au niveau système pour invalider des données stockées dans l'antémémoire externe d'un processeur dans un système d'ordinateur |
US6292872B1 (en) | 1998-02-17 | 2001-09-18 | International Business Machines Corporation | Cache coherency protocol having hovering (H) and recent (R) states |
US6192451B1 (en) | 1998-02-17 | 2001-02-20 | International Business Machines Corporation | Cache coherency protocol for a data processing system including a multi-level memory hierarchy |
US6275908B1 (en) | 1998-02-17 | 2001-08-14 | International Business Machines Corporation | Cache coherency protocol including an HR state |
US6415358B1 (en) | 1998-02-17 | 2002-07-02 | International Business Machines Corporation | Cache coherency protocol having an imprecise hovering (H) state for instructions and data |
US6263407B1 (en) | 1998-02-17 | 2001-07-17 | International Business Machines Corporation | Cache coherency protocol including a hovering (H) state having a precise mode and an imprecise mode |
US7080211B2 (en) | 2002-02-12 | 2006-07-18 | Ip-First, Llc | Microprocessor apparatus and method for prefetch, allocation, and initialization of a cache line from memory |
US7089371B2 (en) | 2002-02-12 | 2006-08-08 | Ip-First, Llc | Microprocessor apparatus and method for prefetch, allocation, and initialization of a block of cache lines from memory |
US7080210B2 (en) | 2002-02-12 | 2006-07-18 | Ip-First, Llc | Microprocessor apparatus and method for exclusive prefetch of a cache line from memory |
US7624236B2 (en) * | 2004-12-27 | 2009-11-24 | Intel Corporation | Predictive early write-back of owned cache blocks in a shared memory computer system |
US9583182B1 (en) * | 2016-03-22 | 2017-02-28 | Intel Corporation | Multi-level memory management |
CN110929226B (zh) * | 2019-11-26 | 2024-04-19 | 广东电网有限责任公司广州供电局 | 配电网停电预测方法、装置及系统 |
US11360906B2 (en) * | 2020-08-14 | 2022-06-14 | Alibaba Group Holding Limited | Inter-device processing system with cache coherency |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4843542A (en) * | 1986-11-12 | 1989-06-27 | Xerox Corporation | Virtual memory cache for use in multi-processing systems |
JPH01276263A (ja) * | 1988-04-27 | 1989-11-06 | Agency Of Ind Science & Technol | バス通信装置 |
-
1991
- 1991-09-12 CA CA002051209A patent/CA2051209C/fr not_active Expired - Lifetime
- 1991-11-27 JP JP3312740A patent/JPH0810447B2/ja not_active Expired - Lifetime
- 1991-11-29 DE DE69111764T patent/DE69111764T2/de not_active Expired - Lifetime
- 1991-11-29 EP EP91311160A patent/EP0489556B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0489556A3 (en) | 1993-06-16 |
JPH0810447B2 (ja) | 1996-01-31 |
DE69111764D1 (de) | 1995-09-07 |
EP0489556A2 (fr) | 1992-06-10 |
EP0489556B1 (fr) | 1995-08-02 |
CA2051209C (fr) | 1996-05-07 |
DE69111764T2 (de) | 1996-03-28 |
JPH04302051A (ja) | 1992-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |