Patent ID: 11886367
Assignee: ATI TECHNOLOGIES ULC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 17:
18. A system comprising:
a storage device including a lookup table that specifies request limit values; and
hardware circuitry configured to:
receive a plurality of requests to access a destination during a first arbitration window and grant access to each of the plurality of requests during the first arbitration window;
detect backpressure at the destination during the first arbitration window based on a number of the plurality of requests exceeding a number of requests available for receipt by the destination during the first arbitration window;
assign a masking value that reduces the number of the plurality of requests, in response to detecting backpressure at the destination during the first arbitration window, the masking value being assigned by updating an index value for the lookup table; and
grant a limited number of requests access to the destination during a second arbitration window based on the masking value.