It's not D that auto-vectorize such expression, it's the backend. Those "array ops" makes it easier for the compiler to convey that to the backend, though. Usin

It's not D that auto-vectorize such expression, it's the backend. Those "array ops" makes it easier for the compiler to convey that to the backend, though. Using LDC + arrays ops is often the best thing you can do speed-wise.