On Thu, Jan 16, 2014 at 1:39 AM, Tobias Knopp <[email protected]>wrote:
> But why isn't float32 promoting to float64 on basic arithmetics then? > Well, it used to. But there were enough people who really wanted to use Float32 arithmetic, so we changed it. The squeaky wheel gets oiled. As Markus pointed out, when we get SIMD support (in the form of the @simd > macro or by autovectorization of llvm) there can be a factor of two between > both integer computations. > This is a very legitimate concern, and we may have to revisit this decision.
