专利名称：Method and system for allocating
bandwidth
发明人：FARSHID NOWSHADI申请号：AU2003248865申请日：20030708
公开号：AU2003248865A8公开日：20040123
摘要：The present invention is directed to methods and systems for allocatingbandwidth (or other shared resource) among multiple masters. According to an aspect ofthe present invention, an arbiter assigns a bucket to each CPU (or other device) whereeach bucket holds the credits for that CPU. Each bucket has a predetermined fill rate anda drain rate. Depending on the priority given to a particular CPU, the correspondingbucket will drain (or fill) at a particular rate. For example, CPUs with a higher priority willdrain at a slower rate. For each clock tick (or other period of time) that a CPU is stalled, anumber of credits is accrued. The bucket with the highest number of credits has priorityand will be given access to the shared resource (e.g., DRAM, SDRAM, SRAM, EPROM, etc.).
申请人：GLOBESPANVIRATA INCORPORATED
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