How Swift supports cooperative multitasking using async/await. How to call asynchronous code from within synchronous code, and does it also multithread code in parallel?
Dispatch
The general rule for allocating threads to P and E cores according to their QoS, with fine controls such as Game Mode, and frequency control.
Understanding terms, including process, thread and task. How the assigned Quality of Service, or QoS, is used to determine how threads are allocated to cores.