I always must ask, why isn’t your compiler doing this for you? I know they often aren’t because I’ve seen speed ups from writing SIMD or using the vector functi

I always must ask, why isn’t your compiler doing this for you? I know they often aren’t because I’ve seen speed ups from writing SIMD or using the vector functions in MKL, but this is something I really think the compilers should do for us in the simple case.