Sun Microsystems, Inc.

Jade B Chau

Brian McGee

In one of the many embodiments disclosed herein, a method for dispatching read and write requests to a memory is disclosed which includes queuing at least one write request in a write queue and queuing an incoming read request in a read queue. The method also includes comparing the read request with at least one write request in the write queue to detect a matching write request, and if there is a matching write request, storing a write queue index of the matching write request as a first entry in an ordering queue. The method further includes dispatching the at least one write request to the memory in response to the first ordering queue entry.

Memory controller and method using read and write queues and an ordering queue for dispatching read and write memory requests out of order to reduce memory latency

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San Jose, CA, United States of America

Jade B Chau