Data processing systems

A method of operating a data processing system, such as a graphics processing system, is disclosed. A set of plural execution threads performs an iterative data processing operation in which the number of execution threads that perform a respective data processing operation decreases from one iterat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Edward Hardy, Tord Kvestad Øygard
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of operating a data processing system, such as a graphics processing system, is disclosed. A set of plural execution threads performs an iterative data processing operation in which the number of execution threads that perform a respective data processing operation decreases from one iteration to the next. The iterative data processing operation is performed such that at least one execution thread of the set plural execution threads exits the iterative data processing operation when there is at least one iteration of the iterative data processing operation remaining in respect of which the execution thread will not perform a respective data processing operation. A barrier condition may be changed in response to the execution thread exiting the iterative data processing operation.