High speed memory cloner within a data processing system

Details High speed memory cloner within a data processing system High speed memory cloner within a data processing system

2006-01-10

2006-01-10

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S148000, C711S141000

Reexamination Certificate

active

06986011

ABSTRACT:
A processor chip with a high speed memory cloner that enables movement of data directly from one memory location (of a data processing system) to another without the data having to be routed through the processor. The memory cloner includes processing logic that enables the release of the processor to continue processing other operations while the data are physically moved in the background. The memory cloner generates a sequence of naked writes (i.e., write operations with no data tenure) from the write data commands and forwards the naked writes to the memory controller of the destination memory module. When all the naked write operations receive a Null response (i.e., a response indicating that the specific addressed at the memory module are reserved/set to receive data), the memory cloner signals the processor that the move request is completed. The memory cloner also comprises a source and a destination address buffer and a count register, within which are stored the source and destination addresses and the number of bytes of data to be moved.

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