# Function core::arch::x86_64::_mm_sad_epu8

1.27.0· source · [−]

    pub unsafe fn _mm_sad_epu8(a: __m128i, b: __m128i) -> __m128i

This is supported on x86-64 and target feature `sse2` only.
Expand description

Sum the absolute differences of packed unsigned 8-bit integers.

Computes the absolute differences of packed unsigned 8-bit integers in `a` and `b`, then horizontally sum each consecutive 8 differences to produce two unsigned 16-bit integers, and pack these unsigned 16-bit integers in the low 16 bits of 64-bit elements returned.

Intel’s documentation