JP2002163149A5 - - Google Patents
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- JP2002163149A5 JP2002163149A5 JP2001316210A JP2001316210A JP2002163149A5 JP 2002163149 A5 JP2002163149 A5 JP 2002163149A5 JP 2001316210 A JP2001316210 A JP 2001316210A JP 2001316210 A JP2001316210 A JP 2001316210A JP 2002163149 A5 JP2002163149 A5 JP 2002163149A5
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/704176 | 2000-10-31 | ||
| US09/704,176 US6868481B1 (en) | 2000-10-31 | 2000-10-31 | Cache coherence protocol for a multiple bus multiprocessor system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002163149A JP2002163149A (ja) | 2002-06-07 |
| JP2002163149A5 true JP2002163149A5 (enExample) | 2005-04-07 |
| JP4008224B2 JP4008224B2 (ja) | 2007-11-14 |
Family
ID=24828413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001316210A Expired - Lifetime JP4008224B2 (ja) | 2000-10-31 | 2001-10-15 | マルチプロセッサシステムのキャッシュコヒーレンスプロトコル |
Country Status (2)
| Country | Link |
|---|---|
| US (2) | US6868481B1 (enExample) |
| JP (1) | JP4008224B2 (enExample) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7222220B2 (en) * | 2001-05-01 | 2007-05-22 | Sun Microsystems, Inc. | Multiprocessing system employing address switches to control mixed broadcast snooping and directory based coherency protocols transparent to active devices |
| US6959364B2 (en) * | 2002-06-28 | 2005-10-25 | Intel Corporation | Partially inclusive snoop filter |
| US8751753B1 (en) * | 2003-04-09 | 2014-06-10 | Guillermo J. Rozas | Coherence de-coupling buffer |
| US7636815B1 (en) * | 2003-04-09 | 2009-12-22 | Klaiber Alexander C | System and method for handling direct memory accesses |
| WO2004092968A2 (en) * | 2003-04-11 | 2004-10-28 | Sun Microsystems, Inc. | Multi-node system with global access states |
| US7065614B1 (en) * | 2003-06-20 | 2006-06-20 | Unisys Corporation | System and method for maintaining memory coherency within a multi-processor data processing system |
| GB2403560A (en) * | 2003-07-02 | 2005-01-05 | Advanced Risc Mach Ltd | Memory bus within a coherent multi-processing system |
| US7216205B2 (en) * | 2004-01-12 | 2007-05-08 | Hewlett-Packard Development Company, L.P. | Cache line ownership transfer in multi-processor computer systems |
| US7213106B1 (en) * | 2004-08-09 | 2007-05-01 | Sun Microsystems, Inc. | Conservative shadow cache support in a point-to-point connected multiprocessing node |
| US20060138830A1 (en) * | 2004-12-23 | 2006-06-29 | Cho-Hsin Liu | Barrel shaped chair of a racing car |
| JP4882233B2 (ja) * | 2005-01-24 | 2012-02-22 | 富士通株式会社 | メモリ制御装置及び制御方法 |
| US7971002B1 (en) * | 2005-04-07 | 2011-06-28 | Guillermo Rozas | Maintaining instruction coherency in a translation-based computer system architecture |
| US20060230233A1 (en) * | 2005-04-11 | 2006-10-12 | Steely Simon C Jr | Technique for allocating cache line ownership |
| US7363435B1 (en) | 2005-04-27 | 2008-04-22 | Sun Microsystems, Inc. | System and method for coherence prediction |
| US7797495B1 (en) | 2005-08-04 | 2010-09-14 | Advanced Micro Devices, Inc. | Distributed directory cache |
| US20070218872A1 (en) * | 2006-03-16 | 2007-09-20 | Lucent Technologies Inc. | Method and apparatus for automated mapping cell handset location data to physical maps for data mining (traffic patterns, new roads) |
| US7941610B2 (en) | 2006-04-27 | 2011-05-10 | Hewlett-Packard Development Company, L.P. | Coherency directory updating in a multiprocessor computing system |
| US7581068B2 (en) * | 2006-06-29 | 2009-08-25 | Intel Corporation | Exclusive ownership snoop filter |
| GB2442984B (en) * | 2006-10-17 | 2011-04-06 | Advanced Risc Mach Ltd | Handling of write access requests to shared memory in a data processing apparatus |
| US7657710B2 (en) * | 2006-11-17 | 2010-02-02 | Sun Microsystems, Inc. | Cache coherence protocol with write-only permission |
| US8688890B2 (en) * | 2006-12-05 | 2014-04-01 | Hewlett-Packard Development Company, L.P. | Bit ordering for communicating an address on a serial fabric |
| US8539164B2 (en) * | 2007-04-30 | 2013-09-17 | Hewlett-Packard Development Company, L.P. | Cache coherency within multiprocessor computer system |
| JP4650468B2 (ja) * | 2007-09-26 | 2011-03-16 | 株式会社デンソー | 経路探索装置 |
| US8615637B2 (en) * | 2009-09-10 | 2013-12-24 | Advanced Micro Devices, Inc. | Systems and methods for processing memory requests in a multi-processor system using a probe engine |
| US8669990B2 (en) * | 2009-12-31 | 2014-03-11 | Intel Corporation | Sharing resources between a CPU and GPU |
| FR2992446B1 (fr) | 2012-06-22 | 2015-04-10 | Commissariat Energie Atomique | Systeme et procede de traitement de donnees a gestion d'une coherence de caches dans un reseau de processeurs munis de memoires caches. |
| KR101695845B1 (ko) * | 2012-09-20 | 2017-01-12 | 한국전자통신연구원 | 캐시 일관성 유지 장치 및 방법, 이를 이용하는 멀티프로세서 장치 |
| US20160188468A1 (en) * | 2014-12-26 | 2016-06-30 | Intel Corporation | Implementation of data coherence among devices |
| GB2539383B (en) | 2015-06-01 | 2017-08-16 | Advanced Risc Mach Ltd | Cache coherency |
| US9900260B2 (en) | 2015-12-10 | 2018-02-20 | Arm Limited | Efficient support for variable width data channels in an interconnect network |
| US10157133B2 (en) | 2015-12-10 | 2018-12-18 | Arm Limited | Snoop filter for cache coherency in a data processing system |
| US20170185516A1 (en) * | 2015-12-28 | 2017-06-29 | Arm Limited | Snoop optimization for multi-ported nodes of a data processing system |
| US9990292B2 (en) | 2016-06-29 | 2018-06-05 | Arm Limited | Progressive fine to coarse grain snoop filter |
| US10042766B1 (en) | 2017-02-02 | 2018-08-07 | Arm Limited | Data processing apparatus with snoop request address alignment and snoop response time alignment |
| US11119926B2 (en) | 2017-12-18 | 2021-09-14 | Advanced Micro Devices, Inc. | Region based directory scheme to adapt to large cache sizes |
| US10705959B2 (en) | 2018-08-31 | 2020-07-07 | Advanced Micro Devices, Inc. | Region based split-directory scheme to adapt to large cache sizes |
| US10922237B2 (en) | 2018-09-12 | 2021-02-16 | Advanced Micro Devices, Inc. | Accelerating accesses to private regions in a region-based cache directory scheme |
| US11360906B2 (en) | 2020-08-14 | 2022-06-14 | Alibaba Group Holding Limited | Inter-device processing system with cache coherency |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54139436A (en) * | 1978-04-21 | 1979-10-29 | Fujitsu Ltd | Error relief system for buffer control information |
| US4503497A (en) * | 1982-05-27 | 1985-03-05 | International Business Machines Corporation | System for independent cache-to-cache transfer |
| US5175837A (en) * | 1989-02-03 | 1992-12-29 | Digital Equipment Corporation | Synchronizing and processing of memory access operations in multiprocessor systems using a directory of lock bits |
| US5222224A (en) * | 1989-02-03 | 1993-06-22 | Digital Equipment Corporation | Scheme for insuring data consistency between a plurality of cache memories and the main memory in a multi-processor system |
| EP0384102A3 (en) * | 1989-02-22 | 1992-04-29 | International Business Machines Corporation | Multi-processor caches with large granularity exclusivity locking |
| EP0416211A3 (en) * | 1989-09-08 | 1992-07-22 | International Business Machines Corporation | Access authorization table for multi-processor caches |
| US5325504A (en) * | 1991-08-30 | 1994-06-28 | Compaq Computer Corporation | Method and apparatus for incorporating cache line replacement and cache write policy information into tag directories in a cache system |
| JPH07129468A (ja) * | 1993-11-04 | 1995-05-19 | Matsushita Electric Ind Co Ltd | 主記憶制御装置 |
| JP3410535B2 (ja) * | 1994-01-20 | 2003-05-26 | 株式会社日立製作所 | 並列計算機 |
| US5655103A (en) * | 1995-02-13 | 1997-08-05 | International Business Machines Corporation | System and method for handling stale data in a multiprocessor system |
| JP2902976B2 (ja) * | 1995-06-19 | 1999-06-07 | 株式会社東芝 | キャッシュフラッシュ装置 |
| JP3093609B2 (ja) * | 1995-07-27 | 2000-10-03 | エヌイーシーソフト株式会社 | キャッシュメモリの記憶一致制御装置及び方法 |
| JPH09198312A (ja) * | 1996-01-17 | 1997-07-31 | Hitachi Ltd | 半導体メモリシステム |
| US5749087A (en) * | 1996-07-30 | 1998-05-05 | International Business Machines Corporation | Method and apparatus for maintaining n-way associative directories utilizing a content addressable memory |
| US5875468A (en) * | 1996-09-04 | 1999-02-23 | Silicon Graphics, Inc. | Method to pipeline write misses in shared cache multiprocessor systems |
| JP2916421B2 (ja) * | 1996-09-09 | 1999-07-05 | 株式会社東芝 | キャッシュフラッシュ装置およびデータ処理方法 |
| US5897656A (en) * | 1996-09-16 | 1999-04-27 | Corollary, Inc. | System and method for maintaining memory coherency in a computer system having multiple system buses |
| US6049847A (en) | 1996-09-16 | 2000-04-11 | Corollary, Inc. | System and method for maintaining memory coherency in a computer system having multiple system buses |
| US5995967A (en) * | 1996-10-18 | 1999-11-30 | Hewlett-Packard Company | Forming linked lists using content addressable memory |
| US5991819A (en) * | 1996-12-03 | 1999-11-23 | Intel Corporation | Dual-ported memory controller which maintains cache coherency using a memory line status table |
| US5809536A (en) * | 1996-12-09 | 1998-09-15 | Intel Corporation, Inc. | Method for reducing the number of coherency cycles within a directory-based cache coherency memory system uitilizing a memory state cache |
| US5848434A (en) * | 1996-12-09 | 1998-12-08 | Intel Corporation | Method and apparatus for caching state information within a directory-based coherency memory system |
| US6105113A (en) * | 1997-08-21 | 2000-08-15 | Silicon Graphics, Inc. | System and method for maintaining translation look-aside buffer (TLB) consistency |
| US6633958B1 (en) * | 1997-11-17 | 2003-10-14 | Silicon Graphics, Inc. | Multiprocessor computer system and method for maintaining cache coherence utilizing a multi-dimensional cache coherence directory structure |
| US6490625B1 (en) * | 1997-11-26 | 2002-12-03 | International Business Machines Corporation | Powerful and flexible server architecture |
| US6587931B1 (en) * | 1997-12-31 | 2003-07-01 | Unisys Corporation | Directory-based cache coherency system supporting multiple instruction processor and input/output caches |
| US6289419B1 (en) * | 1998-03-06 | 2001-09-11 | Sharp Kabushiki Kaisha | Consistency control device merging updated memory blocks |
| US6857051B2 (en) * | 1998-12-23 | 2005-02-15 | Intel Corporation | Method and apparatus for maintaining cache coherence in a computer system |
| US6304945B1 (en) * | 1999-05-13 | 2001-10-16 | Compaq Computer Corporation | Method and apparatus for maintaining cache coherency in a computer system having multiple processor buses |
| JP3555847B2 (ja) * | 1999-05-26 | 2004-08-18 | Necソフト株式会社 | キャッシュメモリの障害処理装置、キャッシュメモリの障害処理方法、マルチプロセッサシステム |
| US6409625B1 (en) * | 1999-11-10 | 2002-06-25 | Nissan Motor Co., Ltd. | Controller of toroidal continuously variable transmission |
| JP2001282764A (ja) * | 2000-03-30 | 2001-10-12 | Hitachi Ltd | マルチプロセッサシステム |
| US6574710B1 (en) * | 2000-07-31 | 2003-06-03 | Hewlett-Packard Development Company, L.P. | Computer cache system with deferred invalidation |
-
2000
- 2000-10-31 US US09/704,176 patent/US6868481B1/en not_active Expired - Lifetime
-
2001
- 2001-10-15 JP JP2001316210A patent/JP4008224B2/ja not_active Expired - Lifetime
-
2005
- 2005-02-01 US US11/049,306 patent/US7373457B2/en not_active Expired - Lifetime
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