DE69118287D1 - Verbesserte Pufferung zum Lese-Änderungsschreibbetrieb - Google Patents
Verbesserte Pufferung zum Lese-ÄnderungsschreibbetriebInfo
- Publication number
- DE69118287D1 DE69118287D1 DE69118287T DE69118287T DE69118287D1 DE 69118287 D1 DE69118287 D1 DE 69118287D1 DE 69118287 T DE69118287 T DE 69118287T DE 69118287 T DE69118287 T DE 69118287T DE 69118287 D1 DE69118287 D1 DE 69118287D1
- Authority
- DE
- Germany
- Prior art keywords
- read
- change
- write operation
- improved buffering
- buffering
- 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 - Fee Related
Links
Classifications
-
- 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
- G06F11/1048—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 using arrangements adapted for a specific error detection or correction feature
- G06F11/1056—Updating check bits on partial write, i.e. read/modify/write
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/582,475 US5235693A (en) | 1989-01-27 | 1990-09-14 | Method and apparatus for reducing buffer storage in a read-modify-write operation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69118287D1 true DE69118287D1 (de) | 1996-05-02 |
DE69118287T2 DE69118287T2 (de) | 1996-11-28 |
Family
ID=24329302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69118287T Expired - Fee Related DE69118287T2 (de) | 1990-09-14 | 1991-09-10 | Verbesserte Pufferung zum Lese-Änderungsschreibbetrieb |
Country Status (5)
Country | Link |
---|---|
US (1) | US5235693A (de) |
EP (1) | EP0475729B1 (de) |
JP (1) | JP3055723B2 (de) |
CA (1) | CA2051153A1 (de) |
DE (1) | DE69118287T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5522065A (en) * | 1991-08-30 | 1996-05-28 | Compaq Computer Corporation | Method for performing write operations in a parity fault tolerant disk array |
WO1993019424A1 (en) * | 1992-03-18 | 1993-09-30 | Seiko Epson Corporation | System and method for supporting a multiple width memory subsystem |
US5459842A (en) * | 1992-06-26 | 1995-10-17 | International Business Machines Corporation | System for combining data from multiple CPU write requests via buffers and using read-modify-write operation to write the combined data to the memory |
US5420983A (en) * | 1992-08-12 | 1995-05-30 | Digital Equipment Corporation | Method for merging memory blocks, fetching associated disk chunk, merging memory blocks with the disk chunk, and writing the merged data |
AU677673B2 (en) * | 1993-10-12 | 1997-05-01 | Samsung Electronics Co., Ltd. | Method and apparatus for executing an atomic read-modify-write instruction |
US5555391A (en) * | 1993-12-23 | 1996-09-10 | Unisys Corporation | System and method for storing partial blocks of file data in a file cache system by merging partial updated blocks with file block to be written |
US5630075A (en) * | 1993-12-30 | 1997-05-13 | Intel Corporation | Write combining buffer for sequentially addressed partial line operations originating from a single instruction |
US5481552A (en) * | 1993-12-30 | 1996-01-02 | International Business Machines Corporation | Method and structure for providing error correction code for 8-byte data words on SIMM cards |
US5717952A (en) * | 1994-11-16 | 1998-02-10 | Apple Computer, Inc. | DMA controller with mechanism for conditional action under control of status register, prespecified parameters, and condition field of channel command |
US5809228A (en) * | 1995-12-27 | 1998-09-15 | Intel Corporaiton | Method and apparatus for combining multiple writes to a memory resource utilizing a write buffer |
JPH1055674A (ja) * | 1996-08-09 | 1998-02-24 | Nec Corp | 半導体記憶装置 |
US5983314A (en) * | 1997-07-22 | 1999-11-09 | Micron Technology, Inc. | Output buffer having inherently precise data masking |
DE19756591B4 (de) * | 1997-12-18 | 2004-03-04 | Sp3D Chip Design Gmbh | Vorrichtung zum hierarchischen Verbinden einer Mehrzahl von Funktionseinheiten in einem Prozessor |
US6564306B2 (en) * | 2000-04-25 | 2003-05-13 | Hewlett-Packard Development Company, L.P. | Apparatus and method for performing speculative cache directory tag updates |
US7051264B2 (en) * | 2001-11-14 | 2006-05-23 | Monolithic System Technology, Inc. | Error correcting memory and method of operating same |
JP3882666B2 (ja) * | 2002-04-19 | 2007-02-21 | 株式会社デンソー | 送信装置及び電子制御装置 |
US7392456B2 (en) * | 2004-11-23 | 2008-06-24 | Mosys, Inc. | Predictive error correction code generation facilitating high-speed byte-write in a semiconductor memory |
US8370715B2 (en) * | 2007-04-12 | 2013-02-05 | International Business Machines Corporation | Error checking addressable blocks in storage |
US7836262B2 (en) | 2007-06-05 | 2010-11-16 | Apple Inc. | Converting victim writeback to a fill |
US8239638B2 (en) | 2007-06-05 | 2012-08-07 | Apple Inc. | Store handling in a processor |
JP5760556B2 (ja) * | 2011-03-18 | 2015-08-12 | 富士通株式会社 | ストレージ装置、制御装置およびストレージ装置制御方法 |
US9449032B2 (en) * | 2013-04-22 | 2016-09-20 | Sap Se | Multi-buffering system supporting read/write access to different data source type |
US9164834B2 (en) * | 2013-05-06 | 2015-10-20 | Samsung Electronics Co., Ltd. | Semiconductor memory devices, memory systems including the same and method of writing data in the same |
TWI668704B (zh) | 2018-10-01 | 2019-08-11 | 大陸商深圳大心電子科技有限公司 | 資料處理方法及使用所述方法的儲存控制器 |
CN111045961B (zh) * | 2018-10-12 | 2023-10-20 | 深圳大心电子科技有限公司 | 数据处理方法及使用所述方法的存储控制器 |
US11630605B1 (en) * | 2022-08-10 | 2023-04-18 | Recogni Inc. | Methods and systems for processing read-modify-write requests |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4435792A (en) * | 1982-06-30 | 1984-03-06 | Sun Microsystems, Inc. | Raster memory manipulation apparatus |
US4648029A (en) * | 1984-08-27 | 1987-03-03 | International Business Machines Corporation | Multiplexed interrupt/DMA request arbitration apparatus and method |
US4797853A (en) * | 1985-11-15 | 1989-01-10 | Unisys Corporation | Direct memory access controller for improved system security, memory to memory transfers, and interrupt processing |
DE3786080D1 (de) * | 1987-08-20 | 1993-07-08 | Ibm | Speicherzugriffssteuerungsvorrichtung in einem gemischtdatenformatsystem. |
US4888773A (en) * | 1988-06-15 | 1989-12-19 | International Business Machines Corporation | Smart memory card architecture and interface |
US5003465A (en) * | 1988-06-27 | 1991-03-26 | International Business Machines Corp. | Method and apparatus for increasing system throughput via an input/output bus and enhancing address capability of a computer system during DMA read/write operations between a common memory and an input/output device |
US5008886A (en) * | 1989-01-27 | 1991-04-16 | Digital Equipment Corporation | Read-modify-write operation |
-
1990
- 1990-09-14 US US07/582,475 patent/US5235693A/en not_active Expired - Lifetime
-
1991
- 1991-09-10 DE DE69118287T patent/DE69118287T2/de not_active Expired - Fee Related
- 1991-09-10 EP EP91308251A patent/EP0475729B1/de not_active Expired - Lifetime
- 1991-09-11 CA CA002051153A patent/CA2051153A1/en not_active Abandoned
- 1991-09-13 JP JP3310276A patent/JP3055723B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69118287T2 (de) | 1996-11-28 |
EP0475729B1 (de) | 1996-03-27 |
JP3055723B2 (ja) | 2000-06-26 |
EP0475729A2 (de) | 1992-03-18 |
CA2051153A1 (en) | 1992-03-15 |
EP0475729A3 (en) | 1993-05-26 |
JPH04262439A (ja) | 1992-09-17 |
US5235693A (en) | 1993-08-10 |
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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: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER, 80538 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |