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<div><font color="#0000FF">The discussions on binding to PGAS languages seem to be missing discussion of one of the significant issues, the UPC version of which is “Can an MPI call be passed a pointer-to-shared ?”</font></div>
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<div><font color="#0000FF">I think it’s fairly clear that the answer should be “No”; all MPI functions require local data and can only accept pointers to local data. (In effect this is saying that MPI provides a C interface, rather than a UPC interface; the
only types which cross the boundary into the MPI library are native C types).</font></div>
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<div><font color="#0000FF">Assuming we all agree that this is the intent, we should say it somewhere.</font></div>
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<div><font color="#0000FF">-- Jim<br>
<br>
James Cownie <james.h.cownie@intel.com><br>
SSG/DPD/PAT<br>
Tel: +44 117 9071438<br>
<br>
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