ALIMENTATION DYNAMIQUE DE MÉMOIRE CACHE PAR MULTIPLES GROUPES DÉFINIS SUR LA BASE DE TENDANCES D'UTILISATION

摘要

A set associative cache memory comprises an M x N memory array of storage entries arranged as M sets by N ways, both M and N are integers greater than one. Within each group of P mutually exclusive groups of the M sets, the N ways are separately powerable. A controller, for each group of the P groups, monitors a utilization trend of the group and dynamically causes power to be provided to a different number of ways of the N ways of the group during different time instances based on the utilization trend.