DE69222469D1 - Verfahren zur Verminderung der Restbandbreite eines Busses in einem Rechnersystem - Google Patents
Verfahren zur Verminderung der Restbandbreite eines Busses in einem RechnersystemInfo
- Publication number
- DE69222469D1 DE69222469D1 DE69222469T DE69222469T DE69222469D1 DE 69222469 D1 DE69222469 D1 DE 69222469D1 DE 69222469 T DE69222469 T DE 69222469T DE 69222469 T DE69222469 T DE 69222469T DE 69222469 D1 DE69222469 D1 DE 69222469D1
- Authority
- DE
- Germany
- Prior art keywords
- bus
- reducing
- computer system
- remaining bandwidth
- bandwidth
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
- G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Bus Control (AREA)
- Multi Processors (AREA)
- Information Transfer Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/705,873 US5257356A (en) | 1991-05-28 | 1991-05-28 | Method of reducing wasted bus bandwidth due to slow responding slaves in a multiprocessor computer system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69222469D1 true DE69222469D1 (de) | 1997-11-06 |
DE69222469T2 DE69222469T2 (de) | 1998-01-29 |
Family
ID=24835307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69222469T Expired - Lifetime DE69222469T2 (de) | 1991-05-28 | 1992-05-28 | Verfahren zur Verminderung der Restbandbreite eines Busses in einem Rechnersystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US5257356A (de) |
EP (1) | EP0518527B1 (de) |
JP (1) | JPH05197671A (de) |
KR (1) | KR920022118A (de) |
DE (1) | DE69222469T2 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69319763T2 (de) * | 1992-03-04 | 1999-03-11 | Motorola Inc | Verfahren und Gerät zur Durchführung eines Busarbitrierungsprotokolls in einem Datenverarbeitungssystem |
EP0575651A1 (de) * | 1992-06-24 | 1993-12-29 | International Business Machines Corporation | Mehrprozessorsystem |
GB2273376B (en) * | 1992-12-11 | 1997-03-12 | Sony Corp | Data processing |
DE4317567A1 (de) * | 1993-05-26 | 1994-12-01 | Siemens Ag | Verfahren zum Betreiben eines Bussystems sowie Anordnung zur Durchführung des Verfahrens |
US5469435A (en) * | 1994-01-25 | 1995-11-21 | Apple Computer, Inc. | Bus deadlock avoidance during master split-transactions |
US5590299A (en) * | 1994-10-28 | 1996-12-31 | Ast Research, Inc. | Multiprocessor system bus protocol for optimized accessing of interleaved storage modules |
US5625779A (en) * | 1994-12-30 | 1997-04-29 | Intel Corporation | Arbitration signaling mechanism to prevent deadlock guarantee access latency, and guarantee acquisition latency for an expansion bridge |
US5621897A (en) * | 1995-04-13 | 1997-04-15 | International Business Machines Corporation | Method and apparatus for arbitrating for a bus to enable split transaction bus protocols |
US5592631A (en) * | 1995-05-02 | 1997-01-07 | Apple Computer, Inc. | Bus transaction reordering using side-band information signals |
USRE38428E1 (en) | 1995-05-02 | 2004-02-10 | Apple Computer, Inc. | Bus transaction reordering in a computer system having unordered slaves |
US5996036A (en) * | 1997-01-07 | 1999-11-30 | Apple Computers, Inc. | Bus transaction reordering in a computer system having unordered slaves |
US5737547A (en) * | 1995-06-07 | 1998-04-07 | Microunity Systems Engineering, Inc. | System for placing entries of an outstanding processor request into a free pool after the request is accepted by a corresponding peripheral device |
US5812799A (en) * | 1995-06-07 | 1998-09-22 | Microunity Systems Engineering, Inc. | Non-blocking load buffer and a multiple-priority memory system for real-time multiprocessing |
US6072798A (en) * | 1995-11-01 | 2000-06-06 | Whittaker Corporation | Network access communication switch |
US5943483A (en) * | 1995-12-11 | 1999-08-24 | Lsi Logic Corporation | Method and apparatus for controlling access to a bus in a data processing system |
US5805837A (en) * | 1996-03-21 | 1998-09-08 | International Business Machines Corporation | Method for optimizing reissue commands in master-slave processing systems |
US6058436A (en) * | 1997-06-16 | 2000-05-02 | Adaptec, Inc. | Quick arbitration and select (QAS) protocol in SCSI interface for configuring a current target device to assert a QAS message code during a message-in phase |
KR100265428B1 (ko) * | 1997-06-27 | 2000-09-15 | 서평원 | 데이지 체인에 의한 패킷 통신 시스템의 패킷 버스 제어 방법 |
US6247101B1 (en) | 1998-07-01 | 2001-06-12 | Lsi Logic Corporation | Tagged access synchronous bus architecture |
US6434650B1 (en) | 1998-10-21 | 2002-08-13 | Intel Corporation | Apparatus and method for multiplexing bi-directional data onto a low pin count bus between a host CPU and co-processor |
US6463494B1 (en) | 1998-12-30 | 2002-10-08 | Intel Corporation | Method and system for implementing control signals on a low pin count bus |
US6732210B1 (en) * | 2000-01-03 | 2004-05-04 | Genesis Microchip Inc | Communication bus for a multi-processor system |
KR100708096B1 (ko) | 2000-07-21 | 2007-04-16 | 삼성전자주식회사 | 버스 시스템 및 그 실행 순서 조정방법 |
US6820152B2 (en) * | 2001-04-25 | 2004-11-16 | Matsushita Electric Industrial Co., Ltd. | Memory control device and LSI |
US7174401B2 (en) * | 2002-02-28 | 2007-02-06 | Lsi Logic Corporation | Look ahead split release for a data bus |
US6948019B2 (en) * | 2002-04-30 | 2005-09-20 | Lsi Logic Corporation | Apparatus for arbitrating non-queued split master devices on a data bus |
WO2004100005A1 (en) * | 2003-05-08 | 2004-11-18 | Koninklijke Philips Electronics N.V. | Processing system and method for communicating data |
DE602004026195D1 (de) * | 2004-10-21 | 2010-05-06 | Hewlett Packard Development Co | Serielles Bussystem |
US7738504B1 (en) * | 2008-12-22 | 2010-06-15 | The United States Of America As Represented By The Director National Security Agency | Method of establishing and updating master node in computer network |
US8751715B1 (en) * | 2010-03-31 | 2014-06-10 | Enc Corporation | System and method for controlling device access |
JP6210187B2 (ja) * | 2012-10-23 | 2017-10-11 | セイコーエプソン株式会社 | 集積回路装置、物理量測定装置、電子機器および移動体 |
US11144358B1 (en) | 2018-12-06 | 2021-10-12 | Pure Storage, Inc. | Asynchronous arbitration of shared resources |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4236203A (en) * | 1978-01-05 | 1980-11-25 | Honeywell Information Systems Inc. | System providing multiple fetch bus cycle operation |
US4390944A (en) * | 1980-05-13 | 1983-06-28 | Bti Computer Systems | System for controlling access to a common bus in a computer system |
US4602327A (en) * | 1983-07-28 | 1986-07-22 | Motorola, Inc. | Bus master capable of relinquishing bus on request and retrying bus cycle |
US4706190A (en) * | 1983-09-22 | 1987-11-10 | Digital Equipment Corporation | Retry mechanism for releasing control of a communications path in digital computer system |
US4785394A (en) * | 1986-09-19 | 1988-11-15 | Datapoint Corporation | Fair arbitration technique for a split transaction bus in a multiprocessor computer system |
US4817037A (en) * | 1987-02-13 | 1989-03-28 | International Business Machines Corporation | Data processing system with overlap bus cycle operations |
US5101479A (en) * | 1989-07-21 | 1992-03-31 | Clearpoint Research Corporation | Bus device for generating and responding to slave response codes |
US5131085A (en) * | 1989-12-04 | 1992-07-14 | International Business Machines Corporation | High performance shared main storage interface |
US5241628A (en) * | 1990-01-04 | 1993-08-31 | Intel Corporation | Method wherein source arbitrates for bus using arbitration number of destination |
-
1991
- 1991-05-28 US US07/705,873 patent/US5257356A/en not_active Expired - Lifetime
-
1992
- 1992-05-27 KR KR1019920009008A patent/KR920022118A/ko not_active Application Discontinuation
- 1992-05-28 DE DE69222469T patent/DE69222469T2/de not_active Expired - Lifetime
- 1992-05-28 EP EP92304856A patent/EP0518527B1/de not_active Expired - Lifetime
- 1992-05-28 JP JP4162239A patent/JPH05197671A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR920022118A (ko) | 1992-12-19 |
EP0518527B1 (de) | 1997-10-01 |
DE69222469T2 (de) | 1998-01-29 |
JPH05197671A (ja) | 1993-08-06 |
EP0518527A2 (de) | 1992-12-16 |
US5257356A (en) | 1993-10-26 |
EP0518527A3 (de) | 1993-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE), |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |