Function core::arch::x86::_mm_reduce_add_ph

pub unsafe fn _mm_reduce_add_ph(a: __m128h) -> f16

🔬This is a nightly-only experimental API. (stdarch_x86_avx512_f16 #127213)

Available on (x86 or x86-64) and target feature avx512fp16,avx512vl and x86 only.

Reduce the packed half-precision (16-bit) floating-point elements in a by addition. Returns the sum of all elements in a.

Intel’s documentation