2. Using Intel® MPI Library. Intel MPI999WSGE1

This section describes the basic Intel® MPI Library usage model and demonstrates typical usages of the Intel® MPI Library.

2.1. Usage Model

Using the Intel® MPI Library involves the following steps:

(SDK only) Compile and link your application

Set up Hydra service

Select network fabric or device

Run your MPI program

Figure 1: Flowchart representing the usage model for working with the Intel® MPI Library.

2.2. Before You Begin

1. Before using the Intel® MPI Library, ensure that the library, scripts, and utility applications are installed. See the Intel® MPI Library for Windows* OS Installation Guide for installation instructions.

2. For getting proper environment settings, use the following commands from the Start menu:

Start >

Programs >

Intel(R) Software Development Products>

Intel(R) MPI Library 5.0>

Build Environment for the Intel® 64>

Build Environment

Alternatively, you can open a new console (cmd) window and run the following BAT file from the command line:

 <install_dir>\intel64\bin\mpivars.bat

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