Patent ID: 8826288
Filing Date: 2014-09-02
Classification: G06F

Abstract:
1. A method comprising: operating plural processors so that two or more said processors are operating, in lock-step mode and one or more of said processors are operating in free-step mode; tracking utilization of said processors so as to determine a lock-step utilization for processors in said lock-step mode and a free-step utilization for processors in said free-step mode; determining whether to switch the step mode of one or more of said plural processors at least in part as a function of said lock-step utilization and said free-step utilization, calling a process; checking a configuration database to determine whether or not said process is to be assigned to processors in lock-step mode; and if said process is required to be assigned to processors in lock-step mode, assigning said process to processors in lock-step mode.