The QoS influences the core threads are placed on https://developer.apple.com/documentation/apple-silicon/tuning-your-code-s-performance-for-apple-silicon#:~:te

The QoS influences the core threads are placed on https://developer.apple.com/documentation/apple-silicon/tuning-your-code-s-performance-for-apple-silicon#:~:text=Accurately%20assigning%20QoS%20classes%20to,and%20QoS%20classes%2C%20see%20Dispatch https://developer.apple.com/documentation/apple-silicon/tuni....