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Fast and highly scalable quota-based weighted arbitration
Fast and highly scalable quota-based weighted arbitration
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机译:快速,高度可扩展的基于配额的加权仲裁
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摘要
One embodiment of the present invention sets forth a technique for arbitrating between a set of requesters that transmit data transmission requests to the weighted LRU arbiter. Each data transmission request is associated with a specific amount of data to be transmitted over the crossbar unit. Based on the priority state associated with each requester, the weighted LRU arbiter then selects the requester in the set of requesters with the highest priority. The weighted LRU arbiter then decrements the weight associated with the selected requester stored in a corresponding weight store based on the size of the data to be transmitted. If the decremented weight is equal to or less than zero, then the priority associated with the selected requester is set to a lowest priority. If, however, the decremented weight is greater than zero, then the priority associated with the selected requester is not changed.
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