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definitions.rst

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Definitions

  • Source tree: The tree where the Open MPI source code is located. It is typically the result of expanding an Open MPI distribution source code bundle, such as a tarball.
  • Build tree: The tree where Open MPI was built. It is always related to a specific source tree, but may actually be a different tree (:ref:`since Open MPI supports VPATH builds <building-open-mpi-vpath-label>`). Specifically, this is the tree where you invoked configure, make, etc. to build and install Open MPI.
  • Installation tree: The tree where Open MPI was installed. It is typically the "prefix" argument given to Open MPI's configure script; it is the directory from which you run installed Open MPI executables.