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Abstract

A memory system maps physical addresses to device addresses in a way that reduces power consumption. The system includes circuitry for deriving efficiency measures for memory usage and selects from among various address-mapping schemes to improve efficiency. The address-mapping schemes can be tailored for a given memory configuration or a specific mixture of active applications or application threads. Schemes tailored for a given mixture of applications or application threads can be applied each time the given mixture is executing, and can be updated for further optimization. Some embodiments mimic the presence of an interfering thread to spread memory addresses across available banks, and thereby reduce the likelihood of interference by later- introduced threads.

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First Claim