I’m assuming a is a constant in your example and that you’re doing a(b, b, 8). That’s one cycle on modern intels I believe (I think the manual promised this for

I’m assuming a is a constant in your example and that you’re doing a(b, b, 8). That’s one cycle on modern intels I believe (I think the manual promised this for Nehalam). OP also alludes right this fact when talking about fusion.