Visible to Intel only — GUID: GUID-53627FB1-3A24-4B56-9A8F-4CE94017947E
Compilation Environment Variables
Hydra Environment Variables
I_MPI_ADJUST Family Environment Variables
Tuning Environment Variables
Process Pinning
GPU Support
Environment Variables for Fabrics Control
Environment Variables for Memory Policy Control
Environment Variables for Asynchronous Progress Control
Environment Variables for Multi-EP
Other Environment Variables
Visible to Intel only — GUID: GUID-53627FB1-3A24-4B56-9A8F-4CE94017947E
Intel® MPI Library Developer Reference for Linux* OS
This Developer Reference provides you with the complete reference for the Intel MPI Library. It is intended to help a user fully utilize the Intel MPI Library functionality.
For examples and detailed functionality descriptions, refer to the Intel® MPI Library Developer Guide for Linux* OS.
The following are some popular topics in the Intel MPI Library Developer Reference:
Command Reference
Command Reference provides reference information on compilation and runtime commands (mpirun, cpuinfo, impi_info) and describes how to use these commands.
Environment Variable Reference
Environment Variable Reference provides syntax, arguments, and descriptions for Fabrics Control, Tuning, Autotuning, Process Pinning, and I_MPI_ADJUST Family environment variables.
Global Options and Environment Variables for mpiexec.hydra
Describes the Global Options and provides Environment Variables used with the Hydra process manager.
mpitune_fast
mpitune_fast tunes the Intel MPI Library to the cluster configuration using the Autotuning functionality.
Package Layout
You can find MPI benchmark sources, compiler configs, and MPI binding at<I_MPI_install_dir>/opt/mpi .
Documentation for Older Versions
Documentation for some older versions of the Intel® MPI Library is available as downloads only.
To download specific versions of prior Intel MPI Library documentation, refer to one of the following locations: