----------------------------------
Intel(R) MPI Library for Linux* OS
README
----------------------------------

------------
Introduction
------------

The Intel(R) MPI Library is a multi-fabric message passing library that
implements the Message Passing Interface, version 3.0 (MPI-3.0) specification.
It provides a standard library across Intel(R) platforms and enables you to
improve performance of applications running on IA clusters.
The Intel(R) MPI Library enables you to deliver maximum end user performance as
soon as a new processor and interconnect technology become available.
For information on Intel(R) MPI Library installation, see instructions
in the Installation Guide, located at 
<installdir>/documentation_2016/en/mpi/INSTALL.html

-------------------
Product Directories
-------------------

Following successful installation, the files associated with the Intel(R) MPI
Library for Linux* OS are installed on your host system. The following directory
map indicates the default structure and identifies the file types stored in each
sub-directory.

  +-- opt Installer can specify a different start level.
          |
          +-- intel Common directory for Intel(R) Software Development Products. 
              |     As a different start level is possible, <installdir> is 
              |     used instead of /opt/intel in this document and other 
              |     product documents when specifying the installed location of
              |     the product files.
              |
              +-- compilers_and_libraries_2016.<update>.<package#> 
              |   |    - Subdirectory for 2016 version, specific update and   
              |   |      package number of compilers and libraries products  
              |   |      including Intel(R) MPI Library
              |   |
              |   +-- linux/mpi - subdirectory for MPI Library product
              |   |   |
              |   |   +-- benchmarks/imb   The Intel(R) MPI Library Benchmarks.
              |   |   |
              |   |   +-- binding   The Intel(R) MPI Library binding kit.
              |   |   |
              |   |   +-- man   The Intel(R) MPI Library man pages.
              |   |   |
              |   |   +-- <arch>   Files for specific architecture.
              |   |       |        Where <arch> is one of the following:
              |   |       |        intel64 -  the Intel(R) 64 architecture
              |   |       |        mic     -  the Intel(R) Many Integrated 
              |   |       |                   Core Architecture (Intel(R) MIC
              |   |       |                   Architecture)
              |   |       |
              |   |       |-- bin     Binaries, scripts and executable files.
              |   |       |
              |   |       |-- etc     Additional configuration files.
              |   |       |
              |   |       |-- include Include and header files.
              |   |       |
              |   |       +-- lib     Libraries and compiler input files.
              |   |  
              |   |
              |   +--licensing/mpi   Subdirectory for supported files, EULAs, 
              |                      redist files, third-party-programs file 
              |                      of Intel(R) MPI Library product
              |  
              +-- compilers_and_libraries  Symbolic link to latest compiler and 
              |                            libraries products installed on the  
              |                            system.
              |
              +-- compilers_and_libraries_2016  Subdirectory with symbolic links 
              |   |                             to compilers and libraries 
              |   |                             products of version 2016, 
              |   |                             including Intel MPI Library
              |   |
              |   +-- linux/mpi  Symbolic link for Intel MPI Library
              |
              |  
              +-- documentation_2016 - Subdirectory with documentation for 
              |   |                    installed Intel software products of 
              |   |                    version 2016 including Intel MPI Library.
              |   |                    Documentation is always installed in the 
              |   |                    upgrade mode - for example, the latest 
              |   |                    installed products version documentation 
              |   |                    is available only.
              |   |
              |   +-- en/mpi   Subdirectory with documentation for 
              |                Intel MPI Library
              |
              +-- samples_2016 - Subdirectory with samples/tests for installed 
              |   |              Intel software products of version 2016 
              |   |              including Intel MPI Library.
              |   |              Samples/tests are always installed in the 
              |   |              upgrade mode - for example, the latest 
              |   |              installed products version samples/tests 
              |   |              are available only.
              |   |
              |   +-- en/mpi Subdirectory with samples/tests for 
              |              Intel MPI Library
              |
              +-- impi Subdirectory for the Intel(R) MPI Library products and 
                  |    symbolic links
                  |    It contains subdirectories for older version of Intel MPI 
                  |    Library and symbolic links to newer versions of Intel MPI 
                  |    Library. This subdirectory is kept for backward 
                  |    compatibility reasons and to provide mnemonic links to 
                  |    specific Intel MPI Library product versions.
                  |
                  +-- <version>.<package#> Symbolic links or subdirectory for 
                                           the Intel(R) MPI Library <version> 
                                           components. 


Notes:

The following link is removed starting from 5.1 release. You can 
use the updated link /opt/intel/compilers_and_libraries/linux/mpi instead.

+--impi_latest         Symbolic link to the latest installed  version of 
                       Intel(R) MPI Library product.

The following link is removed starting from 5.1 release. You can 
use the updated link /opt/intel/impi/<version>.<package#> instead.

+--impi_<version>      Symbolic link to each Intel(R) MPI Library update version  
                       installed. For example, impi_5.0.0, impi_5.0.1, etc.                                     

----------------------------
Other Sources of Information
----------------------------

Before product installation, you can view this file (README.txt), the
product Release Notes (Release_Notes.txt), and the product Installation Guide
(INSTALL.html). After installation, these files are still available,
but they are located in the doc subdirectory as well as at the same level as
the executable installation file. Refer to the following locations for
essential information:      
          
    Getting Started Page
      The Getting Started page (get_started.htm) at 
      /documentation_2016 contains information on 
      compiling and running your MPI program.      

    Technical Support
      Contact Intel technical support primarily through your Intel(R) Premier
      Support account and the related web site at https://premier.intel.com/

    Product web page
      Intel(R) MPI Library home page can be found at
      http://www.intel.com/go/mpi/

    Other Intel Products
      You can find out about other Intel(R) Software Development Products
      through the Intel web site at
      https://software.intel.com/en-us/intel-sdp-home

--------------------------------
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Optimization Notice
-------------------
Intel's compilers may or may not optimize to the same degree for non-Intel
microprocessors for optimizations that are not unique to Intel microprocessors.
These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other
optimizations. Intel does not guarantee the availability, functionality, or
effectiveness of any optimization on microprocessors not manufactured by Intel.
Microprocessor-dependent optimizations in this product are intended for use with
Intel microprocessors. Certain optimizations not specific to Intel
microarchitecture are reserved for Intel microprocessors. Please refer to the
applicable product User and Reference Guides for more information regarding the
specific instruction sets covered by this notice.

Notice revision #20110804


