[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

ATE148242T1 - Priorisierung von mikroprozessoren in multiprozessorrechnersystemen - Google Patents

Priorisierung von mikroprozessoren in multiprozessorrechnersystemen

Info

Publication number
ATE148242T1
ATE148242T1 AT93924899T AT93924899T ATE148242T1 AT E148242 T1 ATE148242 T1 AT E148242T1 AT 93924899 T AT93924899 T AT 93924899T AT 93924899 T AT93924899 T AT 93924899T AT E148242 T1 ATE148242 T1 AT E148242T1
Authority
AT
Austria
Prior art keywords
bus
priority
bus master
host bus
host
Prior art date
Application number
AT93924899T
Other languages
English (en)
Inventor
Roger E Tipley
Michael Moriarty
Mark Taylor
Original Assignee
Compaq Computer Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compaq Computer Corp filed Critical Compaq Computer Corp
Application granted granted Critical
Publication of ATE148242T1 publication Critical patent/ATE148242T1/de

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/36Handling requests for interconnection or transfer for access to common bus or bus system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/36Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G06F13/364Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines

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)
  • Hardware Redundancy (AREA)
  • Bus Control (AREA)
  • Exchange Systems With Centralized Control (AREA)
AT93924899T 1992-10-02 1993-09-24 Priorisierung von mikroprozessoren in multiprozessorrechnersystemen ATE148242T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/955,499 US5535395A (en) 1992-10-02 1992-10-02 Prioritization of microprocessors in multiprocessor computer systems

Publications (1)

Publication Number Publication Date
ATE148242T1 true ATE148242T1 (de) 1997-02-15

Family

ID=25496899

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93924899T ATE148242T1 (de) 1992-10-02 1993-09-24 Priorisierung von mikroprozessoren in multiprozessorrechnersystemen

Country Status (7)

Country Link
US (1) US5535395A (de)
EP (1) EP0664031B1 (de)
AT (1) ATE148242T1 (de)
AU (1) AU5440894A (de)
CA (1) CA2145316A1 (de)
DE (1) DE69307717T2 (de)
WO (1) WO1994008301A1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5613128A (en) * 1990-12-21 1997-03-18 Intel Corporation Programmable multi-processor interrupt controller system with a processor integrated local interrupt controller
US5504874A (en) * 1993-09-29 1996-04-02 Silicon Graphics, Inc. System and method of implementing read resources to maintain cache coherency in a multiprocessor environment permitting split transactions
DE69535409T2 (de) * 1994-06-29 2007-11-08 Intel Corp., Santa Clara Prozessor, das das systembusrecht in einem erweiterbaren multiprozessor-rechnersystem anzeigt
US5619726A (en) * 1994-10-11 1997-04-08 Intel Corporation Apparatus and method for performing arbitration and data transfer over multiple buses
US5923859A (en) * 1995-04-13 1999-07-13 Compaq Computer Corporation Dual arbiters for arbitrating access to a first and second bus in a computer system having bus masters on each bus
US6055590A (en) * 1996-06-05 2000-04-25 Compaq Computer Corporation Bridge circuit comprising independent transaction buffers with control logic adapted to store overflow data in second buffer when transaction size exceeds the first buffer size
US5872941A (en) * 1996-06-05 1999-02-16 Compaq Computer Corp. Providing data from a bridge to a requesting device while the bridge is receiving the data
US5903906A (en) * 1996-06-05 1999-05-11 Compaq Computer Corporation Receiving a write request that allows less than one cache line of data to be written and issuing a subsequent write request that requires at least one cache line of data to be written
US6108741A (en) * 1996-06-05 2000-08-22 Maclaren; John M. Ordering transactions
US5872939A (en) * 1996-06-05 1999-02-16 Compaq Computer Corporation Bus arbitration
US6035362A (en) * 1996-06-05 2000-03-07 Goodrum; Alan L. Storing data associated with one request while continuing to store data associated with a previous request from the same device
US5987539A (en) * 1996-06-05 1999-11-16 Compaq Computer Corporation Method and apparatus for flushing a bridge device read buffer
US6021480A (en) * 1996-06-05 2000-02-01 Compaq Computer Corporation Aligning a memory read request with a cache line boundary when the request is for data beginning at a location in the middle of the cache line
US6075929A (en) * 1996-06-05 2000-06-13 Compaq Computer Corporation Prefetching data in response to a read transaction for which the requesting device relinquishes control of the data bus while awaiting data requested in the transaction
US6052513A (en) * 1996-06-05 2000-04-18 Compaq Computer Corporation Multi-threaded bus master
US6151643A (en) * 1996-06-07 2000-11-21 Networks Associates, Inc. Automatic updating of diverse software products on multiple client computer systems by downloading scanning application to client computer and generating software list on client computer
US6138192A (en) * 1996-12-31 2000-10-24 Compaq Computer Corporation Delivering a request to write or read data before delivering an earlier write request
US6141715A (en) * 1997-04-03 2000-10-31 Micron Technology, Inc. Method and system for avoiding live lock conditions on a computer bus by insuring that the first retired bus master is the first to resubmit its retried transaction
US6073199A (en) * 1997-10-06 2000-06-06 Cisco Technology, Inc. History-based bus arbitration with hidden re-arbitration during wait cycles
US6496881B1 (en) 1999-03-11 2002-12-17 Compaq Information Technologies Group, L.P. Method and apparatus for disabling a processor in a multiprocessor computer
US6801971B1 (en) 1999-09-10 2004-10-05 Agere Systems Inc. Method and system for shared bus access
US6499090B1 (en) 1999-12-28 2002-12-24 Intel Corporation Prioritized bus request scheduling mechanism for processing devices
EP1164493B1 (de) 2000-06-16 2005-11-30 STMicroelectronics S.r.l. Arbitrierungsverfahren mit variablen Prioritäten, zum Beispiel für Verbindungsbussen, und entsprechendes System
US20030131201A1 (en) * 2000-12-29 2003-07-10 Manoj Khare Mechanism for efficiently supporting the full MESI (modified, exclusive, shared, invalid) protocol in a cache coherent multi-node shared memory system
US7389332B1 (en) 2001-09-07 2008-06-17 Cisco Technology, Inc. Method and apparatus for supporting communications between nodes operating in a master-slave configuration
US7421478B1 (en) 2002-03-07 2008-09-02 Cisco Technology, Inc. Method and apparatus for exchanging heartbeat messages and configuration information between nodes operating in a master-slave configuration
US7200610B1 (en) 2002-04-22 2007-04-03 Cisco Technology, Inc. System and method for configuring fibre-channel devices
US7165258B1 (en) * 2002-04-22 2007-01-16 Cisco Technology, Inc. SCSI-based storage area network having a SCSI router that routes traffic between SCSI and IP networks
US7415535B1 (en) * 2002-04-22 2008-08-19 Cisco Technology, Inc. Virtual MAC address system and method
US7188194B1 (en) * 2002-04-22 2007-03-06 Cisco Technology, Inc. Session-based target/LUN mapping for a storage area network and associated method
US7587465B1 (en) * 2002-04-22 2009-09-08 Cisco Technology, Inc. Method and apparatus for configuring nodes as masters or slaves
US7433952B1 (en) 2002-04-22 2008-10-07 Cisco Technology, Inc. System and method for interconnecting a storage area network
US7240098B1 (en) 2002-05-09 2007-07-03 Cisco Technology, Inc. System, method, and software for a virtual host bus adapter in a storage-area network
US7831736B1 (en) 2003-02-27 2010-11-09 Cisco Technology, Inc. System and method for supporting VLANs in an iSCSI
US7295572B1 (en) 2003-03-26 2007-11-13 Cisco Technology, Inc. Storage router and method for routing IP datagrams between data path processors using a fibre channel switch
US7433300B1 (en) 2003-03-28 2008-10-07 Cisco Technology, Inc. Synchronization of configuration data in storage-area networks
US6976132B2 (en) * 2003-03-28 2005-12-13 International Business Machines Corporation Reducing latency of a snoop tenure
US7904599B1 (en) 2003-03-28 2011-03-08 Cisco Technology, Inc. Synchronization and auditing of zone configuration data in storage-area networks
US7526527B1 (en) 2003-03-31 2009-04-28 Cisco Technology, Inc. Storage area network interconnect server
US7366854B2 (en) * 2003-05-08 2008-04-29 Hewlett-Packard Development Company, L.P. Systems and methods for scheduling memory requests utilizing multi-level arbitration
US7451208B1 (en) 2003-06-28 2008-11-11 Cisco Technology, Inc. Systems and methods for network address failover
JP4421459B2 (ja) * 2004-11-30 2010-02-24 株式会社東芝 無線通信装置及び無線通信方法
US7392353B2 (en) * 2004-12-03 2008-06-24 International Business Machines Corporation Prioritization of out-of-order data transfers on shared data bus
US20090138683A1 (en) * 2007-11-28 2009-05-28 Capps Jr Louis B Dynamic instruction execution using distributed transaction priority registers
US8886918B2 (en) * 2007-11-28 2014-11-11 International Business Machines Corporation Dynamic instruction execution based on transaction priority tagging
US8706936B2 (en) 2011-11-14 2014-04-22 Arm Limited Integrated circuit having a bus network, and method for the integrated circuit

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257095A (en) * 1978-06-30 1981-03-17 Intel Corporation System bus arbitration, circuitry and methodology
IT1122890B (it) * 1979-08-30 1986-04-30 Honeywell Inf Systems Italia Sistema a microprocessori con struttura modulare a bus e configurazione espandibile
US4402040A (en) * 1980-09-24 1983-08-30 Raytheon Company Distributed bus arbitration method and apparatus
US4395710A (en) * 1980-11-26 1983-07-26 Westinghouse Electric Corp. Bus access circuit for high speed digital data communication
US4554628A (en) * 1981-08-17 1985-11-19 Burroughs Corporation System in which multiple devices have a circuit that bids with a fixed priority, stores all losing bids if its bid wins, and doesn't bid again until all stored bids win
IT1145730B (it) * 1981-11-13 1986-11-05 Olivetti & Co Spa Sistema di elaborazione di dati con dispositivo di controllo delle interruzioni di programma
US4463445A (en) * 1982-01-07 1984-07-31 Bell Telephone Laboratories, Incorporated Circuitry for allocating access to a demand-shared bus
US4560985B1 (en) * 1982-05-07 1994-04-12 Digital Equipment Corp Dual-count, round-robin ditributed arbitration technique for serial buses
JPS59111561A (ja) * 1982-12-17 1984-06-27 Hitachi Ltd 複合プロセツサ・システムのアクセス制御方式
US4556939A (en) * 1983-04-29 1985-12-03 Honeywell Inc. Apparatus for providing conflict-free highway access
EP0124806B1 (de) * 1983-05-06 1987-09-30 BBC Brown Boveri AG Vergabeschaltung für Parallelbusse von Datenverarbeitungsanlagen
FR2547934B1 (fr) * 1983-06-21 1988-12-02 Electricite De France Installation de calcul a commutation automatique de peripheriques et peripherique propre a de telles commutations
US4787033A (en) * 1983-09-22 1988-11-22 Digital Equipment Corporation Arbitration mechanism for assigning control of a communications path in a digital computer system
US4964034A (en) * 1984-10-30 1990-10-16 Raytheon Company Synchronized processing system with bus arbiter which samples and stores bus request signals and synchronizes bus grant signals according to clock signals
US4967344A (en) * 1985-03-26 1990-10-30 Codex Corporation Interconnection network for multiple processors
US4663756A (en) * 1985-08-29 1987-05-05 Sperry Corporation Multiple-use priority network
US4779089A (en) * 1985-11-27 1988-10-18 Tektronix, Inc. Bus arbitration controller
US4858173A (en) * 1986-01-29 1989-08-15 Digital Equipment Corporation Apparatus and method for responding to an aborted signal exchange between subsystems in a data processing system
US4719458A (en) * 1986-02-24 1988-01-12 Chrysler Motors Corporation Method of data arbitration and collision detection in a data bus
US4739323A (en) * 1986-05-22 1988-04-19 Chrysler Motors Corporation Serial data bus for serial communication interface (SCI), serial peripheral interface (SPI) and buffered SPI modes of operation
US4750168A (en) * 1986-07-07 1988-06-07 Northern Telecom Limited Channel allocation on a time division multiplex bus
US4920486A (en) * 1987-11-23 1990-04-24 Digital Equipment Corporation Distributed arbitration apparatus and method for shared bus
US4987529A (en) * 1988-08-11 1991-01-22 Ast Research, Inc. Shared memory bus system for arbitrating access control among contending memory refresh circuits, peripheral controllers, and bus masters
US4953081A (en) * 1988-12-21 1990-08-28 International Business Machines Corporation Least recently used arbiter with programmable high priority mode and performance monitor
US5127089A (en) * 1989-07-03 1992-06-30 Motorola, Inc. Synchronous bus lock mechanism permitting bus arbiter to change bus master during a plurality of successive locked operand transfer sequences after completion of current sequence
US5151994A (en) * 1989-11-13 1992-09-29 Hewlett Packard Company Distributed fair arbitration system using separate grant and request lines for providing access to data communication bus
US5168570A (en) * 1989-12-29 1992-12-01 Supercomputer Systems Limited Partnership Method and apparatus for a multiple request toggling priority system
EP0464237A1 (de) * 1990-07-03 1992-01-08 International Business Machines Corporation Busarbitrierungsschema
JPH0810445B2 (ja) * 1990-09-21 1996-01-31 インターナショナル・ビジネス・マシーンズ・コーポレイション 動的バス調停方法及び装置
US5148112A (en) * 1991-06-28 1992-09-15 Digital Equipment Corporation Efficient arbiter
US5265223A (en) * 1991-08-07 1993-11-23 Hewlett-Packard Company Preservation of priority in computer bus arbitration

Also Published As

Publication number Publication date
AU5440894A (en) 1994-04-26
DE69307717D1 (de) 1997-03-06
DE69307717T2 (de) 1997-07-17
WO1994008301A1 (en) 1994-04-14
US5535395A (en) 1996-07-09
EP0664031B1 (de) 1997-01-22
CA2145316A1 (en) 1994-04-14
EP0664031A1 (de) 1995-07-26

Similar Documents

Publication Publication Date Title
ATE148242T1 (de) Priorisierung von mikroprozessoren in multiprozessorrechnersystemen
DE69322248D1 (de) Reservierung, die den normalen vorrang von mikroprozessoren in multiprozessorrechnersystemen annulliert
US5621897A (en) Method and apparatus for arbitrating for a bus to enable split transaction bus protocols
US4449183A (en) Arbitration scheme for a multiported shared functional device for use in multiprocessing systems
US6490642B1 (en) Locked read/write on separate address/data bus using write barrier
US5596729A (en) First arbiter coupled to a first bus receiving requests from devices coupled to a second bus and controlled by a second arbiter on said second bus
US5740376A (en) Signaling protocol for a peripheral component interconnect
US5619661A (en) Dynamic arbitration system and method
US5884095A (en) Direct memory access controller having programmable timing
EP0581335B1 (de) Datenverarbeitungssystem mit sich um Zugriff auf verteilte Betriebsmittel bewerbenden Einheiten und mit auf den Status der verteilten Betriebsmittel reagierender Schiedsrichtereinheit
AU687627B2 (en) Multiprocessor system bus protocol for optimized accessing of interleaved storage modules
US5708794A (en) Multi-purpose usage of transaction backoff and bus architecture supporting same
JPH028948A (ja) コンピュータ装置において資源へのアクセスを制御する方法および装置
US5625824A (en) Circuit for selectively preventing a microprocessor from posting write cycles
US6397279B1 (en) Smart retry system that reduces wasted bus transactions associated with master retries
US5313591A (en) Computer bus arbitration for N processors requiring only N unidirectional signal leads
CA2116826C (en) Data processing system using a non-multiplexed, asynchronous address/data bus system
KR950012175A (ko) 복수의 프로세서로부터의 액세스 요청을 조정하는 장치
US6212589B1 (en) System resource arbitration mechanism for a host bridge
US7174401B2 (en) Look ahead split release for a data bus
US20060190640A1 (en) Data transfer system and data transfer method
US6442632B1 (en) System resource arbitration mechanism for a host bridge
US6826644B1 (en) Peripheral component interconnect arbiter implementation with dynamic priority scheme
US20030065844A1 (en) Method for improving processor performance
US5708783A (en) Data bus arbiter for pipelined transactions on a split bus

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties