1. A method of computing, comprising: defining plural processor performance bins, each processor performance bin having a processor performance state, each processor performance state including a processor power state; assigning at least one processor to each of the plural processor performance bins; monitoring processor performance metrics of at least one of the processors while the at least one of the processors executes a task; modeling processor power based on the monitored performance metrics to generate an expression of modeled processor power as a function of the monitored performance metrics for the task; and assigning future incoming tasks that are identical or similar to the task to one or more of the processors in the processor performance bin having the processor power state that is greater than or equal to the modeled processor power.