here it goes, https://svn.open-mpi.org/trac/ompi/changeset/31751
On Wed, May 14, 2014 at 9:19 AM, Bert Wesarg <bert.wes...@tu-dresden.de>wrote: > Dear all, > > the Score-P community is currently in the process to support the OpenSHMEM > API in its performance measurement infrastructure Score-P [1]. And we are > near a release of a new major version of it. Now that Open MPI also > provides an OpenSHMEM implementation, we extended our testing also to the > new 1.8 version of Open MPI. We already submitted some bug reports while we > are working on this, but the last one isn't really a bug though: > > The OpenSHMEM standard does not include the shmem_finalize API, though > Open MPI provides one and also ensures (via the destructor attribute) that > this function is called in the end. But when a performance monitor like > Score-P intercepts the library calls via weak symbols we finally need to > call the original function too. As the user is free to call this function > itself, but Score-P still needs the parallel context to finalize the > measurement after exiting main, we need to intercept shmem_finalize and > call the real shmem_finalize after we are done. But unfortunately we can't > call the original shmem_finalize as there is no pshmem_finalize in Open > MPI. But without finalizing the Open MPI library orterun will report errors > because the application did not call shmem_finalize. > > So our pledge to the Open MPI community is to provide the pshmem_finalize > symbol, even though this function is not (yet) in the OpenSHMEM standard. > > Sincerely, > Bert Wesarg > > [1] http://www.vi-hps.org/projects/score-p > > -- > Dipl.-Inf. Bert Wesarg > wiss. Mitarbeiter > > Technische Universität Dresden > Zentrum für Informationsdienste und Hochleistungsrechnen (ZIH) > 01062 Dresden > Tel.: +49 (351) 463-42451 > Fax: +49 (351) 463-37773 > E-Mail: Bert.Wesarg@tu-dresden. > > > > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2014/05/14793.php >
