This was probably more of a case of 3. Fortran compilers have been making quite some progress (particularly ifort, but gfortran isn't bad recently). And due t

This was probably more of a case of 3. Fortran compilers have been making quite some progress (particularly ifort, but gfortran isn't bad recently). And due to the way multidimentional arrays are built into the language, aliasing isn't nearly as much of an issue for aggressive optimizations.