ES2064364T3 - Sistema de control de la prioridad de acceso para memoria principal para un ordenador. - Google Patents
Sistema de control de la prioridad de acceso para memoria principal para un ordenador.Info
- Publication number
- ES2064364T3 ES2064364T3 ES88402360T ES88402360T ES2064364T3 ES 2064364 T3 ES2064364 T3 ES 2064364T3 ES 88402360 T ES88402360 T ES 88402360T ES 88402360 T ES88402360 T ES 88402360T ES 2064364 T3 ES2064364 T3 ES 2064364T3
- Authority
- ES
- Spain
- Prior art keywords
- access
- warehouse
- unit
- responses
- exit
- 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
- 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
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control
Abstract
UN SISTEMA DE CONTROL DE PRIORIDAD DE ACCESO PARA ALMACEN PRINCIPAL DE COMPUTADOR, PARA CONTROLAR UNA TRANSMISION DE SEÑAL AL ALMACEN PRINCIPAL (70,71), TRAS RECIBIR UNA PLURALIDAD DE PETICIONES DE ACCESO AL ALMACEN PROCEDENTES DE AL MENOS UN PROCESADOR (10-14) RELACIONADO CON EL ALMACEN PRINCIPAL. EL SISTEMA INCLUYE UNA PRIMERA UNIDAD DE PASO DE SOLICITUD DE ACCESO (20-24) PARA TOMAR, AL MENOS TEMPORALMENTE, UNA DIRECCION SEGMENTADA DE LAS PETICIONES DE ACCESO AL ALMACEN PROCEDENTES DEL PROCESADOR; UNA PRIMERA UNIDAD DE CONTROL (3) QUE RESPONDE A LA SALIDA DE LA PRIMERA UNIDAD DE PASO DE SOLICITUDES DE ACCESO PARA COMPROBAR LAS CONDICIONES DE CONFLICTO EN EL BUS Y LAS CONDICIONES DE PROHIBICION PARA UN SEGMENTO DE ALMACEN DE DESTINO DETERMINADO POR LA DIRECCION DE LA SOLICITUD DE ACCESO AL ALMACEN; UNA SEGUNDA UNIDAD DE PASO DE SOLICITUD DE ACCESO (5) QUE RESPONDE A LA SALIDA DE LA PRIMERA UNIDAD DE CONTROL (3) PARA TOMAR AL MENOS TEMPORALMENTE UNA DIRECCION DE INTRA-SEGMENTO DE LA SOLICITUD DE ACCESO AL ALMACEN; Y UNA SEGUNDA UNIDAD DE CONTROL (4) QUE RESPONDE A LA SALIDA DE LA SEGUNDA UNIDAD DE PASO DE SOLICITUD DE ACCESO (5) PARA COMPROBAR LA CONDICION DE OCUPADO DEL ALMACEN LOGICO EN LOS SEGMENTOS DE ALMACENAMIENTO.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23370487A JPS6478337A (en) | 1987-09-19 | 1987-09-19 | Control system for main memory access priority order |
JP62256794A JPH0199143A (ja) | 1987-10-12 | 1987-10-12 | 主記憶アクセス制御方法 |
JP62314745A JPH0610801B2 (ja) | 1987-12-10 | 1987-12-10 | 主記憶アクセス制御装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2064364T3 true ES2064364T3 (es) | 1995-02-01 |
Family
ID=27332027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES88402360T Expired - Lifetime ES2064364T3 (es) | 1987-09-19 | 1988-09-19 | Sistema de control de la prioridad de acceso para memoria principal para un ordenador. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5073871A (es) |
EP (1) | EP0309330B1 (es) |
AU (1) | AU592717B2 (es) |
CA (1) | CA1310429C (es) |
DE (1) | DE3852261T2 (es) |
ES (1) | ES2064364T3 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5214769A (en) * | 1987-12-24 | 1993-05-25 | Fujitsu Limited | Multiprocessor control system |
JPH01169565A (ja) * | 1987-12-24 | 1989-07-04 | Fujitsu Ltd | マルチプロセッサ制御方式 |
JPH01303543A (ja) * | 1988-05-31 | 1989-12-07 | Fujitsu Ltd | メモリアクセス制御装置 |
FR2644260B1 (fr) * | 1989-03-08 | 1993-10-29 | Nec Corp | Dispositif de commande d'acces en memoire pouvant proceder a une commande simple |
KR930002316B1 (ko) * | 1989-05-10 | 1993-03-29 | 미쯔비시덴끼 가부시끼가이샤 | 버스제어방법 및 화상처리 장치 |
JPH0648477B2 (ja) * | 1990-09-17 | 1994-06-22 | 日通工株式会社 | マルチプロセッサシステムにおけるバス獲得方法 |
US5515523A (en) * | 1991-06-03 | 1996-05-07 | Digital Equipment Corporation | Method and apparatus for arbitrating conflicts by monitoring number of access requests per unit of time in multiport memory systems |
US5423008A (en) * | 1992-08-03 | 1995-06-06 | Silicon Graphics, Inc. | Apparatus and method for detecting the activities of a plurality of processors on a shared bus |
JP3010947B2 (ja) * | 1992-11-26 | 2000-02-21 | 日本電気株式会社 | メモリアクセス制御装置 |
US6055607A (en) * | 1996-12-23 | 2000-04-25 | Unisys Corporation | Interface queue with bypassing capability for main storage unit |
DE10110578B4 (de) * | 2000-03-29 | 2004-06-03 | International Business Machines Corporation | Hierarchisches Prioritätsfilter mit integrierter Serialisierung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812473A (en) * | 1972-11-24 | 1974-05-21 | Ibm | Storage system with conflict-free multiple simultaneous access |
US4212057A (en) * | 1976-04-22 | 1980-07-08 | General Electric Company | Shared memory multi-microprocessor computer system |
US4314335A (en) * | 1980-02-06 | 1982-02-02 | The Perkin-Elmer Corporation | Multilevel priority arbiter |
US4395753A (en) * | 1980-06-26 | 1983-07-26 | Gte Automatic Electric Labs Inc. | Allocation controller providing for access of multiple common resources by a plurality of central processing units |
US4445174A (en) * | 1981-03-31 | 1984-04-24 | International Business Machines Corporation | Multiprocessing system including a shared cache |
JPS59229661A (ja) * | 1983-06-10 | 1984-12-24 | Nec Corp | 記憶制御装置 |
US4875161A (en) * | 1985-07-31 | 1989-10-17 | Unisys Corporation | Scientific processor vector file organization |
JPH0628051B2 (ja) * | 1986-04-25 | 1994-04-13 | 株式会社日立製作所 | 記憶制御方式 |
-
1988
- 1988-09-15 CA CA000577485A patent/CA1310429C/en not_active Expired - Lifetime
- 1988-09-16 AU AU22318/88A patent/AU592717B2/en not_active Ceased
- 1988-09-19 ES ES88402360T patent/ES2064364T3/es not_active Expired - Lifetime
- 1988-09-19 US US07/246,087 patent/US5073871A/en not_active Expired - Lifetime
- 1988-09-19 EP EP88402360A patent/EP0309330B1/en not_active Expired - Lifetime
- 1988-09-19 DE DE3852261T patent/DE3852261T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0309330A3 (en) | 1991-05-08 |
EP0309330B1 (en) | 1994-11-30 |
EP0309330A2 (en) | 1989-03-29 |
AU592717B2 (en) | 1990-01-18 |
DE3852261T2 (de) | 1995-04-06 |
US5073871A (en) | 1991-12-17 |
AU2231888A (en) | 1989-05-04 |
DE3852261D1 (de) | 1995-01-12 |
CA1310429C (en) | 1992-11-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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