Fairly arbitrating between clients

Details Fairly arbitrating between clients Fairly arbitrating between clients

2004-09-01

2008-08-26

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphic processing system

Plural graphics processors

C710S240000, C718S103000, C345S541000, C345S535000

Reexamination Certificate

active

07417637

ABSTRACT:
An apparatus and method for fairly arbitrating between clients with varying workloads. The clients are configured in a pipeline for processing graphics data. An arbitration unit selects requests from each of the clients to access a shared resource. Each client provides a signal to the arbitration unit for each clock cycle. The signal indicates whether the client is waiting for a response from the arbitration unit and whether the client is not blocked from outputting processed data to a downstream client. The signals from each client are integrated over several clock cycles to determine a servicing priority for each client. Arbitrating based on the servicing priorities improves performance of the pipeline by ensuring that each client is allocated access to the shared resource based on the aggregate processing load distribution.

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