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## _mm512_mask_reduce_add_epi64

# Function _mm512_mask_reduce_add_epi64

1.89.0 (const: unstable) · Source

    pub fn _mm512_mask_reduce_add_epi64(k: __mmask8, a: __m512i) -> i64

Available on x86 and target feature `avx512f` only.
Expand description

Reduce the packed 64-bit integers in a by addition using mask k. Returns the sum of all active elements in a.

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