_mm512_reduce_gmax_pd
Classification
KNC, Special Math Functions, CPUID Test: KNCNI
Header File
immintrin.h
Synopsis
 _mm512_reduce_gmax_pd(__m512d a);
Description
Determines the maximum element of the packed double-precision (64-bit) floating-point elements stored in "a" and stores the result in "dst".
Operation
max := a[63:0]
FOR j := 1 to 7
	i := j*64
	dst := FpMax(max, a[i+63:i])
ENDFOR
dst := max