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FYI, I’ve updated the automated nightly install scripts (<a href="https://github.com/sloede/install-bgq" class="">https://github.com/sloede/install-bgq</a>) to include the mpich3 package as well.
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<div class="">Regards,</div>
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<div class="">Michael<br class="">
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<div class="">--</div>
<div class="">Michael Schlottke-Lakemper</div>
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<div class="">SimLab Highly Scalable Fluids & Solids Engineering</div>
<div class="">Jülich Aachen Research Alliance (JARA-HPC)</div>
<div class="">RWTH Aachen University</div>
<div class="">Wüllnerstraße 5a<br class="">
52062 Aachen<br class="">
Germany</div>
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<div class="">Phone: +49 (241) 80 95188</div>
<div class="">Fax: +49 (241) 80 92257</div>
<div class="">Mail: <a href="mailto:m.schlottke-lakemper@aia.rwth-aachen.de" class="">
m.schlottke-lakemper@aia.rwth-aachen.de</a></div>
<div class="">Web: <a href="http://www.jara.org/jara-hpc" class="">http://www.jara.org/jara-hpc</a></div>
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<blockquote type="cite" class="">
<div class="">On 23 Mar 2016, at 16:31 , Hal Finkel <<a href="mailto:hfinkel@anl.gov" class="">hfinkel@anl.gov</a>> wrote:</div>
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<div class="">Hi everyone,<br class="">
<br class="">
Starting with today's nightly build, r264155-20160323, MPI v3 support is available with bgclang. Please try it out. The build is based on Rob Latham's MPICH-BlueGene fork (which is mostly mpich-3.1.4 plus BG/Q I/O work from mpich-3.2). This will give you, for
example, an MPI_Fetch_and_op based on the underlying PAMI implementation.<br class="">
<br class="">
There are four versions included (legacy vs. non-legacy) x (regular vs. ndebug). So we now have:<br class="">
<br class="">
ls /soft/compilers/bgclang/${rev}/mpi<br class="">
<br class="">
bgclang - System fine-grained-locking MPI<br class="">
bgclang.legacy - System legacy MPI<br class="">
<br class="">
bgclang-mpi3 - MPI3 fine-grained-locking MPI<br class="">
bgclang-mpi3.legacy - MPI3 legacy MPI<br class="">
bgclang-mpi3.legacy.ndebug - MPI3 legacy MPI (optimized)<br class="">
bgclang-mpi3.ndebug - MPI3 fine-grained-locking MPI (optimized)<br class="">
<br class="">
As with the regular system versions, the fine-grained locking versions should be best when running with MPI_THREAD_MULTIPLE, and the legacy version is probably better otherwise. For production, linking with the ndebug versions might bring some benefit, but
for development, use the non-ndebug builds.<br class="">
<br class="">
For those maintaining their own installs, there is now a bgclang-mpich3 rpm that supplements the others, see:
<a href="http://www.mcs.anl.gov/~hfinkel/bgclang/#r264155-20160323" class="">http://www.mcs.anl.gov/~hfinkel/bgclang/#r264155-20160323</a><br class="">
<br class="">
Thanks again,<br class="">
Hal<br class="">
<br class="">
-- <br class="">
Hal Finkel<br class="">
Assistant Computational Scientist<br class="">
Leadership Computing Facility<br class="">
Argonne National Laboratory<br class="">
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