Intel® MPI Library Developer Reference for Linux* OS

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ID 768732
Date 3/22/2024
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Document Table of Contents
Document Table of Contents x
Intel® MPI Library Developer Reference for Linux* OS
Intel® MPI Library Developer Reference for Linux* OS x
Introduction Command Reference Environment Variable Reference Miscellaneous Notices and Disclaimers
Introduction x
Introducing Intel® MPI Library Notational Conventions Related Information
Command Reference x
Compiler Commands Notes on Compiler Commands mpirun mpiexec.hydra cpuinfo impi_info mpitune_fast
Compiler Commands x
Notes on Compiler Commands Compilation Command Options
mpiexec.hydra x
Global Hydra Options Local Hydra Options gtool Options
Environment Variable Reference x
Compilation Environment Variables Hydra Environment Variables I_MPI_ADJUST Family Environment Variables Tuning Environment Variables Process Pinning GPU Support NIC Pinning 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
Tuning Environment Variables x
Autotuning
Autotuning x
I_MPI_TUNING_AUTO Family Environment Variables
Process Pinning x
Environment Variables for Process Pinning Interoperability with OpenMP* API
GPU Support x
GPU Pinning GPU Buffers Support
Environment Variables for Fabrics Control x
Communication Fabrics Control Shared Memory Control OFI*-capable Network Fabrics Control
Miscellaneous x
Java* Bindings for MPI-2 Routines
Intel® MPI Library Developer Reference for Linux* OS

Compiler Commands

The following table lists the available Intel® MPI Library compiler commands with their underlying compilers and programming languages.

Intel MPI Library Compiler Wrappers
Compiler Command Default Compiler Supported Languages
Generic Compilers
mpicc gcc, cc C
mpicxx g++ C/C++
mpifc gfortran Fortran77*/Fortran 95*
GNU* Compilers
mpigcc gcc C
mpigxx g++ C/C++
mpif77 gfortran Fortran 77
mpif90 gfortran Fortran 95
Intel® Fortran, C++ Compilers
mpiicc icc C
mpiicx icx C
mpiicpc icpc C++
mpiicpx icpx C++
mpiifort ifort Fortran77/Fortran 95
mpiifx ifx Fortran77/Fortran 95

Notes on Compiler Commands

  • Compiler commands are available only in the Intel MPI Library Software Development Kit (SDK).
  • For the supported versions of the listed compilers, refer to the Intel® MPI Library System Requirements.
  • To display mini-help of a compiler command, execute it without any parameters.
  • Compiler wrapper scripts are located in the <install-dir>/bin directory, where <install-dir> is the Intel MPI Library installation directory.
  • The environment settings can be established by sourcing the <install-dir>/env/vars.[c]sh script. To use a specific library configuration, pass one of the following arguments to the script to switch to the corresponding configuration: release or debug.
  • Ensure that the corresponding underlying compiler is already in your PATH. If you use Intel® compilers, source the vars.sh script from the installation directory to set up the compiler environment.
Parent topic: Command Reference
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