If you are part of the Hackintosh community or trying to squeeze extra life out of an older Mac, you have likely encountered the terms "power management" and "frequency scaling." By default, macOS makes generic assumptions about how your CPU should behave to balance performance and battery life. , a open-source kernel extension (kext) developed by the Acidanthera team (the same group behind Lilu and WhateverGreen), is designed to override these assumptions.
In simple terms:
CPUFriend acts as a bridge between your hardware and macOS. It works in tandem with , a companion kext that holds the specific configuration data. cpufriend