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# commit()

Applies any pending additions to and removals from the residency set.

```
func commit()
```

## Discussion

Call the method when have no other changes to stage, such as with [`addAllocation(_:)`](/documentation/Metal/MTLResidencySet/addAllocation(_:)), [`removeAllocation(_:)`](/documentation/Metal/MTLResidencySet/removeAllocation(_:)), and their sibling methods.

---

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