Fortran assumes no aliasing. C/C++ assumes possible aliasing. Makes a world of difference when optimising. C++ can catch up with Fortran with extensive template trickery which was first widely demonstrated with Blitz++ which benchmarked relative to Fortran.
On Fri, 30 Nov 2018 at 02:22, Stu Midgley <sdm...@gmail.com> wrote: > > >> But yeah, C can do anything Fortran can do, and then some. People do >> not write operating systems in Fortran for a reason. > > > I've written a fortran-like scripting language (and the bones of a basic > compiler) in Fortran... everything you can do in C you can do in Fortran. > > People often use the lack of pointers as a reason to NOT use Fortran, > which is rubbish. Just allocate the whole address space and go to town > with your own pointers. Which... if you really think about it is all that > C does. In theory the concept of a SIGSEG is only an OS limitation on C. > You "can" in theory just allocate any address you want without allocation > and pre-allocation. > > -- > Dr Stuart Midgley > sdm...@gmail.com > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf >
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