Non-uniform memory access (numa) data processing system that...

Details Non-uniform memory access (numa) data processing system that... Non-uniform memory access (numa) data processing system that...

G - Physics

06

F

G06F 12/02 (2006.01) G06F 12/08 (2006.01) G06F 15/16 (2006.01)

Patent

CA 2279138

A non-uniform memory access (NUMA) computer system includes a node interconnect and a plurality of processing nodes that each contain at least one processor, a local interconnect, a local system memory, and a node controller coupled to both a respective local interconnect and the node interconnect. According to the method of the present invention, a communication transaction is transmitted on the node interconnect from a local processing node to a remote processing node. In response to receipt of the communication transaction by the remote processing node, a response including a coherency response field is transmitted on the node interconnect from the remote processing node to the local processing node. In response to receipt of the response at the local processing node, a request is issued on the local interconnect of the local processing node concurrently with a determination of a coherency response indicated by the coherency response field.

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