JPH11282821A - 同時トランザクションを依存性で管理するための低占有度プロトコル - Google Patents
同時トランザクションを依存性で管理するための低占有度プロトコルInfo
- Publication number
- JPH11282821A JPH11282821A JP10340925A JP34092598A JPH11282821A JP H11282821 A JPH11282821 A JP H11282821A JP 10340925 A JP10340925 A JP 10340925A JP 34092598 A JP34092598 A JP 34092598A JP H11282821 A JPH11282821 A JP H11282821A
- Authority
- JP
- Japan
- Prior art keywords
- node
- processor
- data
- packet
- memory
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
- G06F12/0813—Multiuser, multiprocessor or multiprocessing cache systems with a network or matrix configuration
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F12/0817—Cache consistency protocols using directory methods
- G06F12/0828—Cache consistency protocols using directory methods with concurrent directory accessing, i.e. handling multiple concurrent coherency transactions
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Mathematical Physics (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Multi Processors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/957565 | 1997-10-24 | ||
| US08/957,565 US6154816A (en) | 1997-10-24 | 1997-10-24 | Low occupancy protocol for managing concurrent transactions with dependencies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11282821A true JPH11282821A (ja) | 1999-10-15 |
| JPH11282821A5 JPH11282821A5 (https=) | 2005-12-02 |
Family
ID=25499771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10340925A Pending JPH11282821A (ja) | 1997-10-24 | 1998-10-26 | 同時トランザクションを依存性で管理するための低占有度プロトコル |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6154816A (https=) |
| EP (1) | EP0911736A1 (https=) |
| JP (1) | JPH11282821A (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007039933A1 (ja) * | 2005-10-04 | 2007-04-12 | Fujitsu Limited | 演算処理装置 |
| JP2010198490A (ja) * | 2009-02-26 | 2010-09-09 | Fujitsu Ltd | キャッシュ制御装置 |
Families Citing this family (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6587931B1 (en) * | 1997-12-31 | 2003-07-01 | Unisys Corporation | Directory-based cache coherency system supporting multiple instruction processor and input/output caches |
| US7076716B1 (en) * | 1998-04-13 | 2006-07-11 | Intel Corporation | Early acknowledgement of primary packets |
| JP2000010860A (ja) * | 1998-06-16 | 2000-01-14 | Hitachi Ltd | キャッシュメモリ制御回路及びプロセッサ及びプロセッサシステム及び並列プロセッサシステム |
| US6330632B1 (en) | 1998-09-30 | 2001-12-11 | Hewlett-Packard Company | System for arbitrating access from multiple requestors to multiple shared resources over a shared communications link and giving preference for accessing idle shared resources |
| GB2344030B (en) * | 1998-11-17 | 2003-06-04 | 3Com Technologies Ltd | Credit-based scheme for high performance communication between devices in a packet-based communication system |
| US6408362B1 (en) | 1999-06-24 | 2002-06-18 | International Business Machines Corporation | Data processing system, cache, and method that select a castout victim in response to the latencies of memory copies of cached data |
| US6442653B1 (en) * | 1999-06-24 | 2002-08-27 | International Business Machines Corporation | Data processing system, cache, and method that utilize a coherency state to indicate the latency of cached data |
| US6442597B1 (en) | 1999-07-08 | 2002-08-27 | International Business Machines Corporation | Providing global coherence in SMP systems using response combination block coupled to address switch connecting node controllers to memory |
| US6779036B1 (en) | 1999-07-08 | 2004-08-17 | International Business Machines Corporation | Method and apparatus for achieving correct order among bus memory transactions in a physically distributed SMP system |
| US6467012B1 (en) | 1999-07-08 | 2002-10-15 | International Business Machines Corporation | Method and apparatus using a distributed system structure to support bus-based cache-coherence protocols for symmetric multiprocessors |
| US6460114B1 (en) * | 1999-07-29 | 2002-10-01 | Micron Technology, Inc. | Storing a flushed cache line in a memory buffer of a controller |
| US6591348B1 (en) | 1999-09-09 | 2003-07-08 | International Business Machines Corporation | Method and system for resolution of transaction collisions to achieve global coherence in a distributed symmetric multiprocessor system |
| US6725307B1 (en) | 1999-09-23 | 2004-04-20 | International Business Machines Corporation | Method and system for controlling data transfers with physical separation of data functionality from address and control functionality in a distributed multi-bus multiprocessor system |
| US6587930B1 (en) * | 1999-09-23 | 2003-07-01 | International Business Machines Corporation | Method and system for implementing remstat protocol under inclusion and non-inclusion of L1 data in L2 cache to prevent read-read deadlock |
| US6457085B1 (en) | 1999-11-04 | 2002-09-24 | International Business Machines Corporation | Method and system for data bus latency reduction using transfer size prediction for split bus designs |
| US6606676B1 (en) | 1999-11-08 | 2003-08-12 | International Business Machines Corporation | Method and apparatus to distribute interrupts to multiple interrupt handlers in a distributed symmetric multiprocessor system |
| US6523076B1 (en) | 1999-11-08 | 2003-02-18 | International Business Machines Corporation | Method and apparatus for synchronizing multiple bus arbiters on separate chips to give simultaneous grants for the purpose of breaking livelocks |
| US7529799B2 (en) | 1999-11-08 | 2009-05-05 | International Business Machines Corporation | Method and apparatus for transaction tag assignment and maintenance in a distributed symmetric multiprocessor system |
| US6529990B1 (en) | 1999-11-08 | 2003-03-04 | International Business Machines Corporation | Method and apparatus to eliminate failed snoops of transactions caused by bus timing conflicts in a distributed symmetric multiprocessor system |
| US6684279B1 (en) | 1999-11-08 | 2004-01-27 | International Business Machines Corporation | Method, apparatus, and computer program product for controlling data transfer |
| US6516379B1 (en) | 1999-11-08 | 2003-02-04 | International Business Machines Corporation | Method and apparatus for transaction pacing to reduce destructive interference between successive transactions in a distributed symmetric multiprocessor system |
| US6542949B1 (en) | 1999-11-08 | 2003-04-01 | International Business Machines Corporation | Method and apparatus for increased performance of a parked data bus in the non-parked direction |
| US6681320B1 (en) * | 1999-12-29 | 2004-01-20 | Intel Corporation | Causality-based memory ordering in a multiprocessing environment |
| GB0002174D0 (en) | 2000-01-31 | 2000-03-22 | Sgs Thomson Microelectronics | Design flow checker |
| US6904465B2 (en) * | 2001-04-26 | 2005-06-07 | Hewlett-Packard Development Company, L.P. | Low latency inter-reference ordering in a multiple processor system employing a multiple-level inter-node switch |
| US6675264B2 (en) * | 2001-05-07 | 2004-01-06 | International Business Machines Corporation | Method and apparatus for improving write performance in a cluster-based file system |
| US6970980B2 (en) * | 2002-06-28 | 2005-11-29 | Sun Microsystems, Inc. | System with multicast invalidations and split ownership and access right coherence mechanism |
| US6973545B2 (en) * | 2002-06-28 | 2005-12-06 | Sun Microsystems, Inc. | System with a directory based coherency protocol and split ownership and access right coherence mechanism |
| US6970979B2 (en) * | 2002-06-28 | 2005-11-29 | Sun Microsystems, Inc. | System with virtual address networks and split ownership and access right coherence mechanism |
| US7000080B2 (en) * | 2002-10-03 | 2006-02-14 | Hewlett-Packard Development Company, L.P. | Channel-based late race resolution mechanism for a computer system |
| US7051163B2 (en) * | 2002-10-03 | 2006-05-23 | Hewlett-Packard Development Company, L.P. | Directory structure permitting efficient write-backs in a shared memory computer system |
| US6990559B2 (en) * | 2002-10-03 | 2006-01-24 | Hewlett-Packard Development Company, L.P. | Mechanism for resolving ambiguous invalidates in a computer system |
| US6892290B2 (en) * | 2002-10-03 | 2005-05-10 | Hewlett-Packard Development Company, L.P. | Linked-list early race resolution mechanism |
| US7003635B2 (en) * | 2002-10-03 | 2006-02-21 | Hewlett-Packard Development Company, L.P. | Generalized active inheritance consistency mechanism having linked writes |
| US6895476B2 (en) * | 2002-10-03 | 2005-05-17 | Hewlett-Packard Development Company, L.P. | Retry-based late race resolution mechanism for a computer system |
| US7024520B2 (en) * | 2002-10-03 | 2006-04-04 | Hewlett-Packard Development Company, L.P. | System and method enabling efficient cache line reuse in a computer system |
| US7269180B2 (en) * | 2002-11-04 | 2007-09-11 | World Wide Packets, Inc. | System and method for prioritizing and queuing traffic |
| US7000089B2 (en) * | 2002-12-20 | 2006-02-14 | International Business Machines Corporation | Address assignment to transaction for serialization |
| US20050108300A1 (en) * | 2003-11-17 | 2005-05-19 | Terrascale Technologies Inc. | Method for the management of local client cache buffers in a clustered computer environment |
| US7324995B2 (en) * | 2003-11-17 | 2008-01-29 | Rackable Systems Inc. | Method for retrieving and modifying data elements on a shared medium |
| US20050289213A1 (en) * | 2004-06-25 | 2005-12-29 | International Business Machines Corporation | Switching between blocking and non-blocking input/output |
| US7809764B2 (en) * | 2004-11-01 | 2010-10-05 | Microsoft Corporation | Method and apparatus for preserving dependancies during data transfer and replication |
| US7958513B2 (en) * | 2005-11-17 | 2011-06-07 | International Business Machines Corporation | Method, system and program product for communicating among processes in a symmetric multi-processing cluster environment |
| US7487267B2 (en) * | 2006-02-03 | 2009-02-03 | International Business Machines Corporation | Method and apparatus for managing dependencies between split transaction queues |
| US9262326B2 (en) * | 2006-08-14 | 2016-02-16 | Qualcomm Incorporated | Method and apparatus to enable the cooperative signaling of a shared bus interrupt in a multi-rank memory subsystem |
| US8195890B1 (en) * | 2006-08-22 | 2012-06-05 | Sawyer Law Group, P.C. | Method for maintaining cache coherence using a distributed directory with event driven updates |
| US7593279B2 (en) * | 2006-10-11 | 2009-09-22 | Qualcomm Incorporated | Concurrent status register read |
| US20080098178A1 (en) * | 2006-10-23 | 2008-04-24 | Veazey Judson E | Data storage on a switching system coupling multiple processors of a computer system |
| JP2011503710A (ja) * | 2007-11-09 | 2011-01-27 | プルラリティー リミテッド | しっかりと連結されたマルチプロセッサのための共有メモリ・システム |
| US8306809B2 (en) * | 2008-07-17 | 2012-11-06 | International Business Machines Corporation | System and method for suggesting recipients in electronic messages |
| US20130086328A1 (en) * | 2011-06-13 | 2013-04-04 | Paneve, Llc | General Purpose Digital Data Processor, Systems and Methods |
| US9075723B2 (en) * | 2011-06-17 | 2015-07-07 | International Business Machines Corporation | Efficient discard scans |
| US9280468B2 (en) | 2011-10-26 | 2016-03-08 | Qualcomm Technologies, Inc. | Three channel cache-coherency socket protocol |
| FR2989489B1 (fr) | 2012-04-16 | 2015-11-27 | Commissariat Energie Atomique | Systeme et procede de gestion d'une coherence de caches dans un reseau de processeurs munis de memoires caches. |
| US9514069B1 (en) | 2012-05-24 | 2016-12-06 | Schwegman, Lundberg & Woessner, P.A. | Enhanced computer processor and memory management architecture |
| US9561469B2 (en) * | 2014-03-24 | 2017-02-07 | Johnson Matthey Public Limited Company | Catalyst for treating exhaust gas |
| US10642780B2 (en) | 2016-03-07 | 2020-05-05 | Mellanox Technologies, Ltd. | Atomic access to object pool over RDMA transport network |
| GB2548845B (en) | 2016-03-29 | 2019-11-27 | Imagination Tech Ltd | Handling memory requests |
| US10504045B2 (en) * | 2016-10-27 | 2019-12-10 | Sap Se | Audit schedule determination |
| US10846230B2 (en) * | 2016-12-12 | 2020-11-24 | Intel Corporation | Methods and systems for invalidating memory ranges in fabric-based architectures |
| US10552367B2 (en) | 2017-07-26 | 2020-02-04 | Mellanox Technologies, Ltd. | Network data transactions using posted and non-posted operations |
| US10210090B1 (en) * | 2017-10-12 | 2019-02-19 | Texas Instruments Incorporated | Servicing CPU demand requests with inflight prefetchs |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68924306T2 (de) * | 1988-06-27 | 1996-05-09 | Digital Equipment Corp | Mehrprozessorrechneranordnungen mit gemeinsamem Speicher und privaten Cache-Speichern. |
| CA2047888A1 (en) * | 1990-07-27 | 1992-01-28 | Hirosada Tone | Hierarchical memory control system |
| US5303362A (en) * | 1991-03-20 | 1994-04-12 | Digital Equipment Corporation | Coupled memory multiprocessor computer system including cache coherency management protocols |
| JPH05108473A (ja) * | 1991-03-20 | 1993-04-30 | Hitachi Ltd | デ−タ処理システム |
| US5490261A (en) * | 1991-04-03 | 1996-02-06 | International Business Machines Corporation | Interlock for controlling processor ownership of pipelined data for a store in cache |
| US5313609A (en) * | 1991-05-23 | 1994-05-17 | International Business Machines Corporation | Optimum write-back strategy for directory-based cache coherence protocols |
| US5331673A (en) * | 1992-03-30 | 1994-07-19 | International Business Machines Corporation | Integrity of data objects used to maintain state information for shared data at a local complex |
| US5442758A (en) * | 1993-07-19 | 1995-08-15 | Sequent Computer Systems, Inc. | Apparatus and method for achieving reduced overhead mutual exclusion and maintaining coherency in a multiprocessor system utilizing execution history and thread monitoring |
| 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 |
| US5551005A (en) * | 1994-02-25 | 1996-08-27 | Intel Corporation | Apparatus and method of handling race conditions in mesi-based multiprocessor system with private caches |
| EP0681240B1 (en) * | 1994-05-03 | 2001-01-10 | Hewlett-Packard Company | Duplicate cache tag memory system |
| US5581729A (en) * | 1995-03-31 | 1996-12-03 | Sun Microsystems, Inc. | Parallelized coherent read and writeback transaction processing system for use in a packet switched cache coherent multiprocessor system |
| US5655100A (en) * | 1995-03-31 | 1997-08-05 | Sun Microsystems, Inc. | Transaction activation processor for controlling memory transaction execution in a packet switched cache coherent multiprocessor system |
-
1997
- 1997-10-24 US US08/957,565 patent/US6154816A/en not_active Expired - Lifetime
-
1998
- 1998-10-12 EP EP98308284A patent/EP0911736A1/en not_active Ceased
- 1998-10-26 JP JP10340925A patent/JPH11282821A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007039933A1 (ja) * | 2005-10-04 | 2007-04-12 | Fujitsu Limited | 演算処理装置 |
| JP2007102447A (ja) * | 2005-10-04 | 2007-04-19 | Fujitsu Ltd | 演算処理装置 |
| JP2010198490A (ja) * | 2009-02-26 | 2010-09-09 | Fujitsu Ltd | キャッシュ制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6154816A (en) | 2000-11-28 |
| EP0911736A1 (en) | 1999-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4700773B2 (ja) | スイッチをベースとするマルチプロセッサシステムに使用するための順序サポート機構 | |
| US6085276A (en) | Multi-processor computer system having a data switch with simultaneous insertion buffers for eliminating arbitration interdependencies | |
| US6014690A (en) | Employing multiple channels for deadlock avoidance in a cache coherency protocol | |
| US6154816A (en) | Low occupancy protocol for managing concurrent transactions with dependencies | |
| US6108752A (en) | Method and apparatus for delaying victim writes in a switch-based multi-processor system to maintain data coherency | |
| US6094686A (en) | Multi-processor system for transferring data without incurring deadlock using hierarchical virtual channels | |
| US6101420A (en) | Method and apparatus for disambiguating change-to-dirty commands in a switch based multi-processing system with coarse directories | |
| US6279084B1 (en) | Shadow commands to optimize sequencing of requests in a switch-based multi-processor system | |
| US6249520B1 (en) | High-performance non-blocking switch with multiple channel ordering constraints | |
| JP6802287B2 (ja) | キャッシュ・メモリ・アクセス | |
| US5900020A (en) | Method and apparatus for maintaining an order of write operations by processors in a multiprocessor computer to maintain memory consistency | |
| US7120755B2 (en) | Transfer of cache lines on-chip between processing cores in a multi-core system | |
| US6085263A (en) | Method and apparatus for employing commit-signals and prefetching to maintain inter-reference ordering in a high-performance I/O processor | |
| US20070081516A1 (en) | Data processing system, method and interconnect fabric supporting multiple planes of processing nodes | |
| US20030145136A1 (en) | Method and apparatus for implementing a relaxed ordering model in a computer system | |
| JP7419261B2 (ja) | ストリーミングデータ転送のためのフロー圧縮を用いたデータ処理ネットワーク | |
| JP4410967B2 (ja) | デッドロックのないコンピュータシステム動作のためのバーチャルチャネルおよび対応するバッファ割当て | |
| KR100387541B1 (ko) | 멀티프로세서 시스템에서 캐쉬 코히어런시 유지 방법, 멀티프로세서 시스템 및 노드 제어기 | |
| US6266743B1 (en) | Method and system for providing an eviction protocol within a non-uniform memory access system | |
| WO2000036514A1 (en) | Non-uniform memory access (numa) data processing system that speculatively forwards a read request to a remote processing node | |
| JP2000227908A (ja) | 共用介入サポ―トを有する不均等メモリ・アクセス(numa)デ―タ処理システム | |
| JP2005539282A (ja) | 単一のコヒーレントなシステム内の分散コンピュータ・ノードにキャッシュ・コヒーレンスを提供するのにグローバル・スヌープを使用する方法および装置 | |
| US8102855B2 (en) | Data processing system, method and interconnect fabric supporting concurrent operations of varying broadcast scope | |
| US6892283B2 (en) | High speed memory cloner with extended cache coherency protocols and responses | |
| US20040111575A1 (en) | Dynamic data routing mechanism for a high speed memory cloner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051005 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051005 |
|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20051005 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070608 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070618 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20070918 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20070921 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071218 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080428 |