Well. At this point it's much easier to make vectorized code go faster. There is absolutely positively no low-hanging fruit left executing single-threaded, bran

Well. At this point it's much easier to make vectorized code go faster. There is absolutely positively no low-hanging fruit left executing single-threaded, branchy code. A few percent improvement take a huge effort. It's not that they don't want... it's just really difficult and hits diminishing returns.