> It's really not clear to me how much disabling all those optimization costs in the real world. I assure you that SPECcpu scores are a lot lower, if that's wh

> It's really not clear to me how much disabling all those optimization costs in the real world. I assure you that SPECcpu scores are a lot lower, if that's what you care about. And yes, it's extremely helpful to do major reorganization of loops if the program has multi-dimensional loops in the wrong order.