---
title: "reduce_add(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/reduce_add(_:)-89ptt"
---

# reduce_add(_:)

Returns the sum of all elements in a vector.

## Declaration

```swift
func reduce_add(_ x: SIMD4<Int32>) -> Int32
```

## See Also

### Reduce Functions

- [simd_reduce_min(_:)](simd/simd_reduce_min(_:)-4uaza.md)
- [reduce_min(_:)](simd/reduce_min(_:)-6npco.md)
- [simd_reduce_max(_:)](simd/simd_reduce_max(_:)-4qjkm.md)
- [reduce_max(_:)](simd/reduce_max(_:)-5afy1.md)
- [simd_reduce_add(_:)](simd/simd_reduce_add(_:)-2ybq8.md)