---
title: simd_uchar64
framework: simd
role: symbol
role_heading: Type Alias
path: simd/simd_uchar64
---

# simd_uchar64

A vector of sixty-four 8-bit unsigned integer elements.

## Declaration

```swift
typealias simd_uchar64 = SIMD64<UInt8>
```

## Topics

### Functions to Create Sixty Four-Element Vectors From Other Vectors

- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-57u64.md)
- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-5apn9.md)
- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-51eby.md)
- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-65i5u.md)
- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-3wfeh.md)
- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-56lh8.md)
- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-1g5oc.md)
- [simd_make_uchar64(_:_:)](simd/simd_make_uchar64(_:_:).md)
- [simd_make_uchar64_undef(_:)](simd/simd_make_uchar64_undef(_:)-8lvix.md)
- [simd_make_uchar64_undef(_:)](simd/simd_make_uchar64_undef(_:)-8ig34.md)
- [simd_make_uchar64_undef(_:)](simd/simd_make_uchar64_undef(_:)-8fhu3.md)
- [simd_make_uchar64_undef(_:)](simd/simd_make_uchar64_undef(_:)-9jm47.md)
- [simd_make_uchar64_undef(_:)](simd/simd_make_uchar64_undef(_:)-p0tj.md)
- [simd_make_uchar64_undef(_:)](simd/simd_make_uchar64_undef(_:)-9ldf2.md)

### Functions to Create Sixty Four-Element Vectors From Scalar Values

- [simd_make_uchar64(_:)](simd/simd_make_uchar64(_:)-9d1w7.md)
- [simd_make_uchar64_undef(_:)](simd/simd_make_uchar64_undef(_:)-6vlwv.md)

### Reduce Functions

- [simd_reduce_min(_:)](simd/simd_reduce_min(_:)-jpn5.md)
- [simd_reduce_max(_:)](simd/simd_reduce_max(_:)-micz.md)
- [simd_reduce_add(_:)](simd/simd_reduce_add(_:)-936l4.md)

### Extrema Functions

- [simd_min(_:_:)](simd/simd_min(_:_:)-ep1f.md)
- [simd_max(_:_:)](simd/simd_max(_:_:)-5la8o.md)

### Common Functions

- [simd_clamp(_:_:_:)](simd/simd_clamp(_:_:_:)-52h9h.md)
- [simd_equal(_:_:)](simd/simd_equal(_:_:)-494kp.md)

### Logic and Bitwise Functions

- [simd_any(_:)](simd/simd_any(_:)-jl1j.md)
- [simd_all(_:)](simd/simd_all(_:)-2m0jp.md)
- [simd_bitselect(_:_:_:)](simd/simd_bitselect(_:_:_:)-2bway.md)

## See Also

### Vector Data Types

- [simd_uchar1](simd/simd_uchar1.md)
- [simd_uchar2](simd/simd_uchar2.md)
- [simd_uchar3](simd/simd_uchar3.md)
- [simd_uchar4](simd/simd_uchar4.md)
- [simd_uchar8](simd/simd_uchar8.md)
- [simd_uchar16](simd/simd_uchar16.md)
- [simd_uchar32](simd/simd_uchar32.md)