Systems and methods for power optimization using throughput feedback

A voltage and frequency system for an integrated circuit;

• comprising:
• a processor operable according to a selection from a set of power supply voltage and clock frequency performance settings;
• a throughput tracker logic circuit configured to calculate a current average throughput in a current frame in a series of frames from a current throughput for the processor and from at least one previous average throughput for a preceding frame;
• a profiler logic circuit configured to determine a mapping relating each performance setting to a corresponding workload range for the processor and relating each performance setting to a corresponding profiled throughput for the processor, wherein each workload range relates to a range of processor-executing-instruction clock cycles over each frame;
• and
• an optimizer logic circuit configured to retrieve a first profiled throughput from the mapping responsive to a determination that the current average throughput is less than a desired average throughput, wherein the first profiled throughput corresponds to an increased performance setting, and to determine a first predicted throughput for a subsequent frame from the first profiled throughput and to command the processor to operate according to the increased performance setting in the subsequent frame responsive to a determination that the first predicted throughput is greater than the desired average throughput.