[Beowulf] MPI ABI

Greg Lindahl lindahl at pathscale.com
Mon Oct 10 11:26:34 PDT 2005

> ignoring the politics for a moment, what are the technical sticking points?

MPI types
values of constants

Fortran name-mangling

program startup (optional)

> for instance, I have the impression that the linux x86_64 ABI is reasonably
> well-defined,

It mostly works. We have run MPICH-1 based commercial codes by playing
shared library tricks.

-- greg

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