Sibling answered on macOS. Their scheduler prefers by default to run everything on performance and reserves efficiency for background OS tasks by default. On Li

Sibling answered on macOS. Their scheduler prefers by default to run everything on performance and reserves efficiency for background OS tasks by default. On Linux you could set the affinity when running by pinning the cpu affinity either upfront through task set or programmatically at runtime (eg I have 32 cores and 0-15 are performance while the rest are efficiency)