The state attributes selected via multi-factor feature selection for MORSE-E are: (1) Number of ranks that are idle and powered up. (2) Number of rows that are open with no pending commands for a given rank. (3) Number of commands that will be negatively affected if a Precharge is issued for the corresponding open 10 We also experimented with Hur and Lin’s AHB [14] and found the results to be very similar. row (i.e., they would subsequently miss on the page being precharged). (4) Number of writes in the transaction queue. (5) Number of reads for the current rank under consideration. (6) If the memory request is related to a load miss, the order of the load relative to the other loads in the transaction queue for the corresponding core.