Intel® MPI Library

Developer Reference for Windows* OS

Download PDF
ID 768734
Date 6/30/2025
Public
Document Table of Contents
Document Table of Contents x
Developer Reference for Windows* OS
Developer Reference for Windows* OS x
Introduction Command Reference Environment Variable Reference Notices and Disclaimers
Introduction x
Introducing Intel® MPI Library Notational Conventions Related Information User Authorization
Command Reference x
Compiler Commands mpiexec.hydra cpuinfo impi_info
Compiler Commands x
Compilation Command Options
mpiexec.hydra x
Global Hydra Options Local Hydra Options
Environment Variable Reference x
Compilation Environment Variables Hydra Environment Variables I_MPI_ADJUST Family Environment Variables Tuning Environment Variables Main Thread Pinning Environment Variables for Fabrics Control Environment Variables for Memory Policy Control Other Environment Variables
Hydra Environment Variables x
Environment Variables Not Propagated by Hydra
Tuning Environment Variables x
Autotuning
Autotuning x
I_MPI_TUNING_AUTO Family Environment Variables
Main Thread Pinning x
Environment Variables for Main Thread Pinning Interoperability with OpenMP* API
Environment Variables for Fabrics Control x
Communication Fabrics Control Shared Memory Control OFI*-capable Network Fabrics Control
Developer Reference for Windows* OS

Notational Conventions

The following conventions are used in this document.

This type style Document names
This type style Hyperlinks
This type style Commands, arguments, options, file names
THIS_TYPE_STYLE Environment variables
<this type style> Variables or placeholders for actual values
[ items ] Optional items
{ item | item } Selectable items separated by vertical bar(s)
Parent topic: Introduction
Level Two Title