I wonder how fast we'd do

[KnightMare]

> I doubgt about results on my machine:
> t1 : 42 ms, 858 ╬╝s, and 7 hnsecs       1.06672e+09
> t2 : 42 ms, 647 ╬╝s, and 8 hnsecs       1.06672e+09
> t3 : 0 hnsecs   0

my CPU is i7-3615QM (Ivy Bridge, no AVX2)