Dynamic interleaving

Details Dynamic interleaving Dynamic interleaving

2011-07-12

2011-07-12

Thai, Tuan V (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S158000

Reexamination Certificate

active

07979648

ABSTRACT:
Methods and apparatus provide for a Dynamic Interleaver to modify the interleaving distribution spanning physical memory modules. Specifically, dynamic interleaving provides the ability to increase the number of interleaved physical memory modules when a current interleaved group of memory locations is experiencing heavy use. By increasing the number of interleaved memory locations, a system can make optimal use of memory by allowing more parallel accesses to physical memory during the period of heavy utilization. However, if the current interleaved group of memory locations experience low use, the Dynamic Interleaver can choose to interleave across fewer physical memory modules and apply power management techniques to those memory locations that are no longer being accessed. Prior to “re-interleaving” interleaved memory locations, the Dynamic Interleaver migrates data out of the current interleaved memory locations. After re-interleaving, the Dynamic Interleaver maps the data back into the re-interleaved memory locations.

REFERENCES:
patent: 2005/0246508 (2005-11-01), Shaw
patent: 2007/0011421 (2007-01-01), Keller et al.
patent: 2008/0043562 (2008-02-01), Totolos et al.

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