JPH06504865A - 集積メモリ、その管理方法及び該方法から得られる情報システム - Google Patents
集積メモリ、その管理方法及び該方法から得られる情報システムInfo
- Publication number
- JPH06504865A JPH06504865A JP5509033A JP50903393A JPH06504865A JP H06504865 A JPH06504865 A JP H06504865A JP 5509033 A JP5509033 A JP 5509033A JP 50903393 A JP50903393 A JP 50903393A JP H06504865 A JPH06504865 A JP H06504865A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- address
- block
- blocks
- dat
- 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
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/88—Masking faults in memories by using spares or by reconfiguring with partially good memories
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
-
- 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
-
- 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
- G06F12/12—Replacement control
- G06F12/121—Replacement control using replacement algorithms
- G06F12/126—Replacement control using replacement algorithms with special data handling, e.g. priority of data or instructions, handling errors or pinning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1064—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices in cache or content addressable memories
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
Abstract
Description
Claims (12)
- 1.n個のレベルを有するN個のカラムの形態に組織された複数のブロック(B L)を有するメモリ(DAT)の管理方法であって、機能欠陥のために使用不能 なブロックをマーク(F)に結び付けることにより、前記使用不能ブロックヘの アクセスを禁止することを特徴とするメモリ管理方法。
- 2.使用不能ブロックのマーク(F)を該ブロックのアドレス(DE)に組込む ことを特徴とする請求項1に記載の方法。
- 3.各アドレス(DE)が該アドレスのブロックの状態(ST)を示すために少 なくとも2つのビット(V、M)を組合わせたものを含んでおり、該方法が、マ ーク(F)を前記2つのビットの自由な組合わせで形成することを特徴とする請 求項2に記載の方法。
- 4.使用不能ブロックの数を所定の割合以内に制限することを特徴とする請求項 1から3のいずれか一項に記載の方法。
- 5.レベル数nを、各カラムの欠陥ブロック数に関する限界値に応じて決定する ことを特徴とする請求項1から4のいずれか一項に記載の方法。
- 6.メモリのブロック取替えアルゴリズム(LRU)にマークを供給することを 特徴とする請求項1から5のいずれか一項に記載の方法。
- 7.メモリのオートテスト方法によってマーキングを実行することを特徴とする 請求項1から6のいずれか一項に記載の方法。
- 8.メモリが制御、書込み及び読取り回路に接続されており、該方法が前記制御 回路でマイクロプログラム化されていることを特徴とする請求項7に記載の方法 。
- 9.請求項1から8のいずれか一項に記載の方法の実施の結果得られる、n個の レベルを有するN個のカラムの形態に組織された複数のブロックを有するメモリ であって、前記ブロックの一部が使用されないことを特徴とするメモリ。
- 10.各カラムの総ての使用不能ブロックに関する第1カウンタ(COLER) を含んでいることを特徴とする請求項9に記載のメモリ。
- 11.メモリの総ての使用不能ブロックに関する第2カウンタ(DATER)を 含んでいることを特徴とする請求項9又は10に記載のメモリ。
- 12.内部メモリと通信するキャッシュメモリを具備し且つデータメモリ(DA T)とアドレスレジスタ(DIR)とを有する少なくとも1つのプロセッサを含 んでいる情報システムであって、前記データメモリが請求項8から11のいずれ か一項に記載のメモリであることを特徴とする情報システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR91/14182 | 1991-11-18 | ||
FR9114182A FR2683924B1 (fr) | 1991-11-18 | 1991-11-18 | Memoire integree, son procede de gestion et systeme informatique en resultant. |
PCT/FR1992/001062 WO1993010497A1 (fr) | 1991-11-18 | 1992-11-16 | Memoire integree, son procede de gestion et systeme informatique en resultant |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06504865A true JPH06504865A (ja) | 1994-06-02 |
JP3199378B2 JP3199378B2 (ja) | 2001-08-20 |
Family
ID=9419051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50903393A Expired - Lifetime JP3199378B2 (ja) | 1991-11-18 | 1992-11-16 | 集積メモリ、その管理方法及び該方法から得られる情報システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US5537621A (ja) |
EP (1) | EP0543712B1 (ja) |
JP (1) | JP3199378B2 (ja) |
DE (1) | DE69230211T2 (ja) |
FR (1) | FR2683924B1 (ja) |
WO (1) | WO1993010497A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007097027A1 (ja) * | 2006-02-27 | 2007-08-30 | Fujitsu Limited | 縮退制御装置および縮退制御プログラム |
WO2007097026A1 (ja) * | 2006-02-27 | 2007-08-30 | Fujitsu Limited | キャッシュ制御装置およびキャッシュ制御プログラム |
WO2007097019A1 (ja) * | 2006-02-27 | 2007-08-30 | Fujitsu Limited | キャッシュ制御装置およびキャッシュ制御方法 |
JP2014115723A (ja) * | 2012-12-06 | 2014-06-26 | Kobe Univ | 低電圧動作キャッシュメモリ |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2273185A (en) * | 1992-12-04 | 1994-06-08 | Plessey Semiconductors Ltd | Cache lock-out |
US5535164A (en) * | 1995-03-03 | 1996-07-09 | International Business Machines Corporation | BIST tester for multiple memories |
DE19510621C2 (de) * | 1995-03-23 | 1997-02-20 | Blaupunkt Werke Gmbh | Speicheranordnung für Analogsignale |
US6067594A (en) * | 1997-09-26 | 2000-05-23 | Rambus, Inc. | High frequency bus system |
DE10339787B4 (de) * | 2003-08-28 | 2005-11-03 | Infineon Technologies Ag | Speichermodul |
US7299313B2 (en) | 2004-10-29 | 2007-11-20 | International Business Machines Corporation | System, method and storage medium for a memory subsystem command interface |
US7277988B2 (en) * | 2004-10-29 | 2007-10-02 | International Business Machines Corporation | System, method and storage medium for providing data caching and data compression in a memory subsystem |
US7305574B2 (en) * | 2004-10-29 | 2007-12-04 | International Business Machines Corporation | System, method and storage medium for bus calibration in a memory subsystem |
US7512762B2 (en) | 2004-10-29 | 2009-03-31 | International Business Machines Corporation | System, method and storage medium for a memory subsystem with positional read data latency |
US7356737B2 (en) * | 2004-10-29 | 2008-04-08 | International Business Machines Corporation | System, method and storage medium for testing a memory module |
US7395476B2 (en) * | 2004-10-29 | 2008-07-01 | International Business Machines Corporation | System, method and storage medium for providing a high speed test interface to a memory subsystem |
US7441060B2 (en) * | 2004-10-29 | 2008-10-21 | International Business Machines Corporation | System, method and storage medium for providing a service interface to a memory system |
US7478259B2 (en) | 2005-10-31 | 2009-01-13 | International Business Machines Corporation | System, method and storage medium for deriving clocks in a memory system |
US7685392B2 (en) | 2005-11-28 | 2010-03-23 | International Business Machines Corporation | Providing indeterminate read data latency in a memory system |
US7636813B2 (en) * | 2006-05-22 | 2009-12-22 | International Business Machines Corporation | Systems and methods for providing remote pre-fetch buffers |
US7640386B2 (en) | 2006-05-24 | 2009-12-29 | International Business Machines Corporation | Systems and methods for providing memory modules with multiple hub devices |
US7584336B2 (en) * | 2006-06-08 | 2009-09-01 | International Business Machines Corporation | Systems and methods for providing data modification operations in memory subsystems |
US7669086B2 (en) | 2006-08-02 | 2010-02-23 | International Business Machines Corporation | Systems and methods for providing collision detection in a memory system |
US7581073B2 (en) * | 2006-08-09 | 2009-08-25 | International Business Machines Corporation | Systems and methods for providing distributed autonomous power management in a memory system |
US7539842B2 (en) * | 2006-08-15 | 2009-05-26 | International Business Machines Corporation | Computer memory system for selecting memory buses according to physical memory organization information stored in virtual address translation tables |
US7606988B2 (en) * | 2007-01-29 | 2009-10-20 | International Business Machines Corporation | Systems and methods for providing a dynamic memory bank page policy |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5183429A (ja) * | 1975-01-20 | 1976-07-22 | Tokyo Shibaura Electric Co | |
JPS63278158A (ja) * | 1987-04-13 | 1988-11-15 | プライム・コンピューター・インコーポレーテッド | 連想キャッシュ・メモリー |
JPH02297647A (ja) * | 1989-05-12 | 1990-12-10 | Ibm Japan Ltd | メモリ・システム |
JPH03118650A (ja) * | 1989-07-06 | 1991-05-21 | Digital Equip Corp <Dec> | キャッシュサポート構造 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR116049A (ja) * | 1975-03-20 | |||
JPS5525820A (en) * | 1978-08-08 | 1980-02-23 | Nec Corp | Buffer memory device |
US4168541A (en) * | 1978-09-25 | 1979-09-18 | Sperry Rand Corporation | Paired least recently used block replacement system |
US4234935A (en) * | 1978-12-04 | 1980-11-18 | International Business Machines Corporation | Means for maintaining the identification of defective minor loops in a magnetic bubble memory |
US4562536A (en) * | 1983-06-30 | 1985-12-31 | Honeywell Information Systems Inc. | Directory test error mode control apparatus |
US4744049A (en) * | 1984-10-15 | 1988-05-10 | Motorola, Inc. | Microcode testing of a cache in a data processor |
EP0195324B1 (de) * | 1985-03-18 | 1990-05-30 | Siemens Aktiengesellschaft | Kontrolleinheit für einen Magnetplattenspeicher |
JPS62235262A (ja) * | 1986-04-07 | 1987-10-15 | 住友電気工業株式会社 | 窒化アルミニウム焼結体の製造方法 |
US4809276A (en) * | 1987-02-27 | 1989-02-28 | Hutton/Prc Technology Partners 1 | Memory failure detection apparatus |
JPS6476240A (en) * | 1987-09-18 | 1989-03-22 | Nec Corp | Micro-program controller |
US5031054A (en) * | 1988-09-26 | 1991-07-09 | Digital Equipment Corporation | In-drive defect detector |
US5075804A (en) * | 1989-03-31 | 1991-12-24 | Alps Electric Co., Ltd. | Management of defect areas in recording media |
US5070502A (en) * | 1989-06-23 | 1991-12-03 | Digital Equipment Corporation | Defect tolerant set associative cache |
US5200959A (en) * | 1989-10-17 | 1993-04-06 | Sundisk Corporation | Device and method for defect handling in semi-conductor memory |
FR2656442B1 (fr) * | 1989-12-21 | 1994-07-29 | Bull Sa | Processeur a plusieurs unites microprogrammees avec mecanisme d'execution anticipee des instructions. |
US5216655A (en) * | 1991-06-26 | 1993-06-01 | Digital Equipment Corporation | Method and apparatus for surface reallocation for improved manufacturing process margin |
JPH05334898A (ja) * | 1992-06-02 | 1993-12-17 | Mitsubishi Electric Corp | 半導体記憶装置 |
-
1991
- 1991-11-18 FR FR9114182A patent/FR2683924B1/fr not_active Expired - Fee Related
-
1992
- 1992-11-16 US US08/084,197 patent/US5537621A/en not_active Expired - Lifetime
- 1992-11-16 EP EP92403072A patent/EP0543712B1/fr not_active Expired - Lifetime
- 1992-11-16 JP JP50903393A patent/JP3199378B2/ja not_active Expired - Lifetime
- 1992-11-16 WO PCT/FR1992/001062 patent/WO1993010497A1/fr active Application Filing
- 1992-11-16 DE DE69230211T patent/DE69230211T2/de not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5183429A (ja) * | 1975-01-20 | 1976-07-22 | Tokyo Shibaura Electric Co | |
JPS63278158A (ja) * | 1987-04-13 | 1988-11-15 | プライム・コンピューター・インコーポレーテッド | 連想キャッシュ・メモリー |
JPH02297647A (ja) * | 1989-05-12 | 1990-12-10 | Ibm Japan Ltd | メモリ・システム |
JPH03118650A (ja) * | 1989-07-06 | 1991-05-21 | Digital Equip Corp <Dec> | キャッシュサポート構造 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007097027A1 (ja) * | 2006-02-27 | 2007-08-30 | Fujitsu Limited | 縮退制御装置および縮退制御プログラム |
WO2007097026A1 (ja) * | 2006-02-27 | 2007-08-30 | Fujitsu Limited | キャッシュ制御装置およびキャッシュ制御プログラム |
WO2007097019A1 (ja) * | 2006-02-27 | 2007-08-30 | Fujitsu Limited | キャッシュ制御装置およびキャッシュ制御方法 |
US8006139B2 (en) | 2006-02-27 | 2011-08-23 | Fujitsu Limited | Degeneration control device and degeneration control program |
US8060698B2 (en) | 2006-02-27 | 2011-11-15 | Fujitsu Limited | Method and apparatus for controlling degradation data in cache |
JP2014115723A (ja) * | 2012-12-06 | 2014-06-26 | Kobe Univ | 低電圧動作キャッシュメモリ |
Also Published As
Publication number | Publication date |
---|---|
US5537621A (en) | 1996-07-16 |
EP0543712B1 (fr) | 1999-10-27 |
DE69230211D1 (de) | 1999-12-02 |
EP0543712A1 (fr) | 1993-05-26 |
JP3199378B2 (ja) | 2001-08-20 |
FR2683924A1 (fr) | 1993-05-21 |
DE69230211T2 (de) | 2000-02-10 |
FR2683924B1 (fr) | 1997-01-03 |
WO1993010497A1 (fr) | 1993-05-27 |
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