---
title: simd_ulong8
framework: simd
role: symbol
role_heading: Type Alias
path: simd/simd_ulong8
---

# simd_ulong8

A vector of eight 64-bit unsigned integer elements.

## Declaration

```swift
typealias simd_ulong8 = SIMD8<simd_ulong1>
```

## Topics

### Functions to Create Eight-Element Vectors From Other Vectors

- [simd_make_ulong8(_:)](simd/simd_make_ulong8(_:)-5w0n4.md)
- [simd_make_ulong8(_:)](simd/simd_make_ulong8(_:)-5zhz7.md)
- [simd_make_ulong8(_:)](simd/simd_make_ulong8(_:)-6hggi.md)
- [simd_make_ulong8(_:)](simd/simd_make_ulong8(_:)-6wa2m.md)
- [simd_make_ulong8(_:_:)](simd/simd_make_ulong8(_:_:).md)
- [simd_make_ulong8_undef(_:)](simd/simd_make_ulong8_undef(_:)-9rdt9.md)
- [simd_make_ulong8_undef(_:)](simd/simd_make_ulong8_undef(_:)-9oge2.md)
- [simd_make_ulong8_undef(_:)](simd/simd_make_ulong8_undef(_:)-d5pk.md)

### Functions to Create Eight-Element Vectors From Scalar Values

- [simd_make_ulong8(_:)](simd/simd_make_ulong8(_:)-w5ee.md)
- [simd_make_ulong8_undef(_:)](simd/simd_make_ulong8_undef(_:)-73woc.md)

### Common Functions

- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-6mt76.md)
- [simd_equal(_:_:)](simd/simd_equal(_:_:)-4dws0.md)

### Reduce Functions

- [simd_reduce_min(_:)](simd/simd_reduce_min(_:)-3oaqy.md)
- [simd_reduce_max(_:)](simd/simd_reduce_max(_:)-55c36.md)
- [simd_reduce_add(_:)](simd/simd_reduce_add(_:)-3avzc.md)

### Extrema Functions

- [simd_min(_:_:)](simd/simd_min(_:_:)-1ynv5.md)
- [simd_max(_:_:)](simd/simd_max(_:_:)-9mj3u.md)

### Logic and Bitwise Functions

- [simd_any(_:)](simd/simd_any(_:)-6p9gh.md)
- [simd_all(_:)](simd/simd_all(_:)-1yolz.md)
- [simd_bitselect(_:_:_:)](simd/simd_bitselect(_:_:_:)-3xirg.md)

### Alternative Type Alias

- [vector_ulong8](simd/vector_ulong8.md)

## See Also

### Vector Data Types

- [simd_ulong1](simd/simd_ulong1.md)
- [simd_ulong2](simd/simd_ulong2.md)
- [simd_ulong3](simd/simd_ulong3.md)
- [simd_ulong4](simd/simd_ulong4.md)