• 2019 Update 7
  • 03/31/2020


Intel® MPI Library Developer Guide for Linux* OS
If you have a previous version of the Intel® MPI Library for Linux* OS installed, you do not need to uninstall it before installing a newer version.
Extract the
package by using following command:
$ tar –xvzf l_mpi[-rt]_p_<version>.<package_num>.tar.gz
This command creates the subdirectory
To start installation, run
. The default installation path for the Intel® MPI Library is
There are two different installations:
  • RPM-based installation – this installation requires root password. The product can be installed either on a shared file system or on each node of your cluster.
  • Non-RPM installation – this installation does not require root access and it installs all scripts, libraries, and files in the desired directory (usually
    for the user).
Scripts, include files and libraries for different architectures, are located in different directories. By default, you can find binary files and all needed scripts under the

Product and Performance Information


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