What is ANECompilerService on a Mac? Why it is busy after updates
What the ANECompilerService process does in macOS, why it can use CPU or memory, and whether you can stop it.
What is ANECompilerService?
ANECompilerService prepares machine learning models to run on the Neural Engine, the part of Apple silicon built for AI features.
Why is ANECompilerService using CPU or memory?
It works hardest after macOS updates and after installing apps with on device AI features, compiling models once so they run fast later. It can use a lot of CPU for a while, then goes quiet.
Can I stop ANECompilerService?
Not usefully; it restarts when needed. Leave the Mac plugged in and awake and it finishes within hours to a day.
mds_stores is the other process that gets busy after an update, rebuilding the Spotlight index.
Common questions
Is ANECompilerService safe on a Mac?
Yes. It is part of macOS. ANECompilerService prepares machine learning models to run on the Neural Engine, the part of Apple silicon built for AI features..
Can I quit ANECompilerService?
Not usefully; it restarts when needed.