systems and methods for pipelined synchronization in a write - combining cache are described herein . an embodiment to transmit data to a memory to enable pipelined synchronization of a cache includes obtaining a plurality of synchronization events for transactions with said memory , calculating one or more matches between said events and said data stored in one or more cache - lines of said cache , storing event time stamps of events associated with said matches , generating one or more priority values based on said event time stamps , concurrently transmitting said data to said memory based on said priority values .