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No - sorry. The whole concept of coarrays is that it is whole-program oriented. If the executable is not written as a coarray application, you can't use coarrays. The standards committee recognizes that this is a limitation and is working on a proposal that would allow for libraries to use coarrays, but that's a long way off. The main issue as far as our implementation goes is that there is some "launch" code that needs to be executed when the program starts and an mpiexec call made on the program's behalf to run the whole program under the control of MPI.
Is there any improvement in new Intel Visual Fortran versions about using DLLs with co-arrays, if the executable is not written as a coarray application?
Not so far. While Fortran 2015 will include the concept of "teams" of images, so that library code can partition work, there's nothing that would allow the main program to remain unaware of coarrays.
No - sorry. The whole concept of coarrays is that it is whole-program oriented. If the executable is not written as a coarray application, you can't use coarrays. The standards committee recognizes that this is a limitation and is working on a proposal that would allow for libraries to use coarrays, but that's a long way off. The main issue as far as our implementation goes is that there is some "launch" code that needs to be executed when the program starts and an mpiexec call made on the program's behalf to run the whole program under the control of MPI.
Is there any improvement in new Intel Visual Fortran versions about using DLLs with co-arrays, if the executable is not written as a coarray application?
Thanks,
Piotr