README: Add a "quick start" section.
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
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README
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README
@ -63,6 +63,59 @@ Much, much more information is also available in the Open MPI FAQ:
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===========================================================================
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Quick start
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-----------
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In many cases, Open MPI can be built and installed by simply
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indicating the installation directory on the command line:
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$ tar xf openmpi-<version>.tar.bz2
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$ cd openmpi-<version>
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$ ./configure --prefix=<path> |& tee config.out
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...lots of output...
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$ make -j 8 |& tee make.out
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...lots of output...
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$ make install |& tee install.out
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...lots of output...
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Note that there are many, many configuration options to the
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"./configure" step. Some of them may be needed for your particular
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environmnet; see below for desciptions of the options available.
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If your installation prefix path is not writable by a regular user,
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you may need to use sudo or su to run the "make install" step. For
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example:
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$ sudo make install |& tee install.out
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[sudo] password for jsquyres: <enter your password here>
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...lots of output...
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Finally, note that VPATH builds are fully supported. For example:
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$ tar xf openmpi-<version>.tar.bz2
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$ cd openmpi-<version>
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$ mkdir build
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$ cd build
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$ ../configure --prefix=<path> |& tee config.out
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...etc.
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The rest of this README file contains:
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- General release notes about Open MPI, including information about
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platform, compiler, and run-time support, MPI and OpenSHMEM
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functionality, network support, and MPI extensions.
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- Detailed information on building and installing Open MPI.
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- Open MPI version and library numbering policies, including how those
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are related to backwards compatibility guarantees.
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- Information on how to both query and validate your Open MPI
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installation.
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- Description of Open MPI extensions.
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- Examples showing how to compile and run Open MPI applications.
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- Summary information on the various plugin frameworks inside Open
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MPI and OpenSHMEM.
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===========================================================================
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The following abbreviated list of release notes applies to this code
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base as of this writing (March 2017):
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