---
title: "simd_reduce_max(_:)"
framework: simd
role: symbol
role_heading: Function
path: "simd/simd_reduce_max(_:)-4h33d"
---

# simd_reduce_max(_:)

Returns the maximum value in a vector.

## Declaration

```swift
func simd_reduce_max(_ x: simd_uint3) -> UInt32
```

## See Also

### Reduce Functions

- [simd_reduce_min(_:)](simd/simd_reduce_min(_:)-4688x.md)
- [reduce_min(_:)](simd/reduce_min(_:)-1yst6.md)
- [reduce_max(_:)](simd/reduce_max(_:)-1h2j7.md)
- [simd_reduce_add(_:)](simd/simd_reduce_add(_:)-2v3pj.md)
- [reduce_add(_:)](simd/reduce_add(_:)-7drmm.md)