METHOD, APPARATUS, AND SYSTEMS TO SUPPORT EXECUTION PIPELINING IN A MEMORY CONTROLLER

A memory controller may execute instructions instead of sending the instructions to a processor for execution. To maintain synchronization between the memory controller and the processor, the memory controller may queue a null instruction in the memory controller for each non-filler instruction sent to the processor and may send a filler instruction to the processor for each non-null instruction to be executed by the memory controller.