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# 8-Bit Unsigned Integer Vectors

Perform operations on vectors that contain unsigned 8-bit integer elements.

## Topics

### Vector Data Types

[`typealias simd_uchar1`](/documentation/simd/simd_uchar1)

A vector of one 8-bit unsigned integer element.

[`typealias simd_uchar2`](/documentation/simd/simd_uchar2)

A vector of two 8-bit unsigned integer elements.

[`typealias simd_uchar3`](/documentation/simd/simd_uchar3)

A vector of three 8-bit unsigned integer elements.

[`typealias simd_uchar4`](/documentation/simd/simd_uchar4)

A vector of four 8-bit unsigned integer elements.

[`typealias simd_uchar8`](/documentation/simd/simd_uchar8)

A vector of eight 8-bit unsigned integer elements.

[`typealias simd_uchar16`](/documentation/simd/simd_uchar16)

A vector of sixteen 8-bit unsigned integer elements.

[`typealias simd_uchar32`](/documentation/simd/simd_uchar32)

A vector of thirty-two 8-bit unsigned integer elements.

[`typealias simd_uchar64`](/documentation/simd/simd_uchar64)

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

### Packed Vector Data Types

[`typealias simd_packed_uchar2`](/documentation/simd/simd_packed_uchar2)

A packed vector of two 8-bit unsigned integer elements.

[`typealias simd_packed_uchar4`](/documentation/simd/simd_packed_uchar4)

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

[`typealias simd_packed_uchar8`](/documentation/simd/simd_packed_uchar8)

A packed vector of eight 8-bit unsigned integer elements.

[`typealias simd_packed_uchar16`](/documentation/simd/simd_packed_uchar16)

A packed vector of sixteen 8-bit unsigned integer elements.

[`typealias simd_packed_uchar32`](/documentation/simd/simd_packed_uchar32)

A packed vector of thirty-two 8-bit unsigned integer elements.

[`typealias simd_packed_uchar64`](/documentation/simd/simd_packed_uchar64)

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


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