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What are the default build options for Open MPI?

April 26, 2017build Default MPI Options

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What are the default build options for Open MPI?

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If you have obtained a developer’s checkout from Subversion, you must consult these directions. The default options for building an Open MPI tarball are: • Compile Open MPI with all optimizations enabled • Build shared libraries • Build components as standalone dynamic shared object (DSO) files (i.e., run-time plugins) • Try to find support for all hardware and environments by looking for support libraries and header files in standard locations; skip them if not found Open MPI’s configure script has a large number of options, several of which are of the form –with--libdir=DIR option. The (=DIR) part means that specifying the directory is optional. Here are some examples (explained in more detail below): • –with-openib(=DIR) and –with-openib-libdir=DIR • –with-mx(=DIR) and –with-mx-libdir=DIR • –with-psm(=DIR) and –with-psm-libdir=DIR • …etc. As mentioned above, by default, Open MPI will try to build support for every feat