Method and apparatus for tracking command order dependencies

Method and apparatus for tracking command order dependencies

Methods and apparatus for tracking dependencies of commands to be executed by a command processor are provided. By determining the dependency of incoming commands against all commands awaiting execution, dependency information can be stored in a dependency scoreboard. Such a dependency scoreboard ma...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MCBRIDE CHAD B, IRISH JOHN DAVID
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Methods and apparatus for tracking dependencies of commands to be executed by a command processor are provided. By determining the dependency of incoming commands against all commands awaiting execution, dependency information can be stored in a dependency scoreboard. Such a dependency scoreboard may be used to determine if a command is ready to be issued by the command processor. The dependency scoreboard can also be updated with information relating to the issuance of commands, for example, as commands complete.