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

# simd_reduce_max(_:)

## Declaration

```swift
func simd_reduce_max(_ x: simd_int3) -> Int32
```

## Discussion

Discussion Maximum of elements in x.