Some discussion here - http://stackoverflow.com/questions/146159/is-fortran-faster-than-c http://stackoverflow.com/questions/146159/is-fortran-faster-... - my t

Some discussion here - http://stackoverflow.com/questions/146159/is-fortran-faster-than-c http://stackoverflow.com/questions/146159/is-fortran-faster-... - my takeaway is it's possible to write numerical code in C in a way the compiler can optimize it, but Fortran does it by default, and the Fortran culture is about making numerical code as fast as possible.