3D reconfigurable power switch network for demand-supply matching between multi-output power converters and many-core microprocessors

A 3D reconfigurable power switch network is introduced to optimally provide demand-supply matching between on-chip multi-output power converters and many-core microprocessors. For effective DVFS power management of many cores by area-efficient on-chip power converters, the reconfigurable power switch network supports space and time multiplexed access between power converters and cores. An integer linear programming is deployed to find one configuration of space-time multiplexing that can match between supply and demand with balanced utilization. The overall power management system is verified in SystemC-AMS based models. Experiment results show that the proposed design achieves 35.36% power saving on average when compared to the one without using the proposed power management.