Intel Corporation
Apparatuses, methods, and systems for hardware control of processor performance levels

Abstract:

Systems, methods, and apparatuses relating to hardware control of processor performance levels are described. In one embodiment, a processor includes a plurality of logical processing elements; and a power management circuit to change a highest non-guaranteed performance level and a highest guaranteed performance level for each of the plurality of logical processing elements, and set a notification in a status register when the highest non-guaranteed performance level is changed to a new highest non-guaranteed performance level.