---
title: "simd_reduce_add(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_reduce_add(_:)-7n920"
---

# simd_reduce_add(_:)

Returns the sum of all elements in a vector.

## Declaration

```swift
func simd_reduce_add(_ x: simd_ushort16) -> UInt16
```

## See Also

### Reduce Functions

- [simd_reduce_min(_:)](simd/simd_reduce_min(_:)-3d6c7.md)
- [simd_reduce_max(_:)](simd/simd_reduce_max(_:)-8isf9.md)