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ADAPTIVE READAHEAD CACHE MANAGER BASED ON DETECTED ACTIVE STREAMS OF READ COMMANDS
ADAPTIVE READAHEAD CACHE MANAGER BASED ON DETECTED ACTIVE STREAMS OF READ COMMANDS
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机译:基于检测到的主动读取指令流的自适应readahead缓存管理器
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摘要
A method for managing a readahead cache in a memory subsystem based on one or more active streams of read commands is described. The method includes receiving a read command that requests data from a memory component and determining whether the read command is part of an active stream of read commands based on a comparison of a set of addresses of the read command with one or more of (1) a command history table, which stores a set of command entries that each correspond to a received read command that has not been associated with an active stream, or (2) an active stream table, which stores a set of stream entries that each corresponds to active streams of read commands. The method further includes modifying a stream entry in the set of stream entries in response to determining that the read command is part of an active stream.
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