[mpiwg-ft] Fortran coarrays - failed images

[Jeff Hammond]

So Fortran 2015 (TS 18508 - section 6 in the attachment) is going to
support failed images.

The OpenCoarrays folks (who are responsible for enabling GCC 5+ Fortran
coarray support) have started looking into how to support this feature.
They currently use MPI-3 RMA and GASNet as communication runtimes, but the
need to support FT will likely push them in a new direction.  The options
they have mentioned thus far are undesirable.

It would be great if there were more people who could help look at RMA FT,
particularly as it pertains to Fortran 2015.  Are any of the Fortran WG
folks savvy on how those failures map to MPI concepts and whether or not
the MPI RMA FT discussion is going in the right direction?

Thanks,

Jeff

-- 
Jeff Hammond
jeff.science at gmail.com
http://jeffhammond.github.io/
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