How your Mac can use less energy and power, run its battery down less, generate less heat, and keep its P cores for the work you want it to do for you.
taskpolicy
How apps and processes set their priority, and on Apple silicon that determines which type of core they can be run on. What you can do to alter that.
Can you promote threads set to run on E cores so they run on P cores instead? Can you demote threads set to run on cores so they run in the background on E cores?
The Eclectic Light Company 