Memory access requests in hybrid memory system
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United States of America Patent
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Jun 14, 2016
Grant Date -
Feb 26, 2015
app pub date -
Aug 20, 2013
filing date -
Aug 20, 2013
priority date (Note) -
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Abstract
Incoming memory access requests are routed in a set of incoming queues, the incoming memory access requests comprise a range of host logical block addresses (LBAs) that correspond to a memory space of a primary memory. The host LBA range is directly mapped to clusters of secondary memory, the secondary memory corresponding to a memory space of a secondary memory. Each incoming memory access request queued in the set of incoming queues is transformed into one or more outgoing memory access requests that include a range of secondary memory clusters or one or more clusters of secondary memory clusters. The outgoing memory access requests are routed in a set of outgoing queues. The secondary memory is accessed using the outgoing memory access requests.
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