REFRESH-HIDING MEMORY SYSTEM STAGGERED REFRESH

A computer-implemented method includes refreshing a set of memory channels in a memory system substantially simultaneously, each memory channel refreshing a rank that is distinct from each of the other ranks being refreshed. Further, the method includes marking a memory channel from the set of memor...

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Hauptverfasser: POWELL, STEPHEN J, JONES, LAWRENCE, GILDA, GLENN DAVID, MEANEY, PATRICK JAMES, JACOBI, CHRISTIAN, CADIGAN, DAVID D
Format: Patent
Sprache:eng
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Zusammenfassung:A computer-implemented method includes refreshing a set of memory channels in a memory system substantially simultaneously, each memory channel refreshing a rank that is distinct from each of the other ranks being refreshed. Further, the method includes marking a memory channel from the set of memory channels as being unavailable for the rank being refreshed in the memory channel. In one or more examples, the method further includes blocking a fetch command to the memory channel for the rank being refreshed in the memory channel.