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MECHANISM FOR EFFECTIVELY CACHING STREAMING AND NON-STREAMING DATA PATTERNS
MECHANISM FOR EFFECTIVELY CACHING STREAMING AND NON-STREAMING DATA PATTERNS
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机译:有效地指导流和非流数据模式的机制
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摘要
A method and apparatus for efficiently caching streaming and non-streaming data is described herein. Software, such as a compiler, identifies last use streaming instructions/operations that are the last instruction/operation to access streaming data for a number of instructions or an amount of time. As a result of performing an access to a cache line for a last use instruction/operation, the cache line is updated to a streaming data no longer needed (SDN) state. When control logic is to determine a cache line to be replaced, a modified Least Recently Used (LRU) algorithm is biased to select SDN state lines first to replace no longer needed streaming data.
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