pub unsafe fn _mm512_reduce_add_pd(a: __m512d) -> f64
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on (x86 or x86-64) and target feature avx512f and x86 only.
Expand description

Reduce the packed double-precision (64-bit) floating-point elements in a by addition. Returns the sum of all elements in a.

Intel’s documentation