Optimize predux<Packet8f> (AVX) (grafted from 7f9319d639467208f9875b893111e025314dd32c)
Optimize predux<Packet8f> (AVX)
(grafted from 7f9319d639467208f9875b893111e025314dd32c)

ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen