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Gotcha.<br class="">
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<div class="">On Aug 29, 2019, at 10:53 AM, <a href="mailto:schulzm@in.tum.de" class="">
schulzm@in.tum.de</a> wrote:</div>
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Hi Jeff,
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<div class="">Due to the summer break and vacation time, especially in Europe, we haven’t had a chance to address this - Marc-Andre had suggested a tools call on this for after EuroMPI and then we’ll know more (we need to get tool implementors to the table
who are not part of the WG). </div>
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<div class="">Personally, though, I fear you are right with your assumption, but I am happy to be proven wrong.</div>
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<div class="">Martin</div>
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Prof. Dr. Martin Schulz, Chair of Computer Architecture and Parallel Systems</div>
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Department of Informatics, TU-Munich, Boltzmannstraße 3, D-85748 Garching</div>
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Member of the Board of Directors at the Leibniz Supercomputing Centre (LRZ)</div>
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<a href="mailto:schulzm@in.tum.de" class="">Email: schulzm@in.tum.de</a></div>
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<div class="">On 29. Aug 2019, at 16:46, Jeff Squyres (jsquyres) via mpiwg-tools <<a href="mailto:mpiwg-tools@lists.mpi-forum.org" class="">mpiwg-tools@lists.mpi-forum.org</a>> wrote:</div>
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<div class="">Should I infer from the lack of reply that no tools properly handle either Fortran descriptors or the descriptor-based symbols?<br class="">
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<blockquote type="cite" class="">On Aug 25, 2019, at 11:31 AM, Jeff Squyres (jsquyres) via mpiwg-tools <<a href="mailto:mpiwg-tools@lists.mpi-forum.org" class="">mpiwg-tools@lists.mpi-forum.org</a>> wrote:<br class="">
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In Open MPI, we are finally working towards supporting Fortran descriptors for choice buffers (i.e., "TYPE(*), DIMENSION(..)").<br class="">
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Per MPI-3.1 p613 table 17.1, this means ***changing all the back-end symbols*** that are used for PMPI-style interception.<br class="">
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A concrete example:<br class="">
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- in mpif.h / the mpi module, MPI_SEND will become MPI_SEND_FTS<br class="">
- in the mpi_f08 module, MPI_SEND will become MPI_SEND_F08TS<br class="">
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I.e., anywhere the application calls MPI_SEND, it will be transmogrified to either MPI_SEND_FTS or MPI_SEND_F08TS. And the choice buffer passed will be a descriptor (which may therefore be a subarray, not a contiguous buffer), not a naked pointer.<br class="">
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Here's my questions:<br class="">
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1. Do any tools support Fortran descriptors as choice buffers?<br class="">
2. Do any tools intercept the symbols as described in MPI-3.1 table 17.1?<br class="">
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-- <br class="">
Jeff Squyres<br class="">
<a href="mailto:jsquyres@cisco.com" class="">jsquyres@cisco.com</a><br class="">
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-- <br class="">
Jeff Squyres<br class="">
<a href="mailto:jsquyres@cisco.com" class="">jsquyres@cisco.com</a><br class="">
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-- <br class="">
</span><span class="">Jeff Squyres<br class="">
</span><span class=""><a href="mailto:jsquyres@cisco.com" class="">jsquyres@cisco.com</a></span>
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