Learning coarrays, collective subroutines and other parallel features of Modern Fortran

[FortranFan]

@vmagnin

I am now learning coarrays …

@vmagnin and anyone wanting to see simple examples with coarrays, here’s one that can be used to alert some of the techie news writers such as Lee Phillips and Liam Tung, “Simple summation 6x faster with a 70+ year-old language than MIT’s recent effort in Julia”!!:

Simple summation 8x slower than in Julia

@certik and everyone, Notwithstanding the excellent point by @themos the specific case at hand is not a true performance benchmark on account of the mathematical identity, should we continue to use the same case but modify it as suggested upthread to view the sin calculation as some representative function computation for which a common library implementation is to be consumed in any programming paradigm of interest, whether it be based in Julia or Fortran, and we “up” the game a little bit to…