Tuesday, May 26, 2009

Building OpenMPI with Intel Compiler (Ver 2)

This is a follow up from Thursday, April 2, 2009 Blog Entry Building OpenMPI with Intel Compiler

Step 1: Download the OpenMPI Software from http://www.open-mpi.org/ . The current stable version at point of writing is OpenMPI 1.3.2

Step 2: Download and Install the Intel Compilers from Intel Website. More information can be taken from Free Non-Commercial Intel Compiler Download

Step 3: Add the Intel Directory Binary Path to the Bash Startup
At my ~/.bash_profile directory, I've added
At command prompt
# source .bashrc

Step 4: Configuration Information
gunzip -c openmpi-1.2.tar.gz tar xf -
# cd openmpi-1.2
#./configure --prefix=/usr/local CC=icc CXX=icpc F77=ifort FC=ifort
# make all install

Step 5: Setting PATH environment for OpenMPI
At my ~/.bash_profile directory, I've added.
export PATH=/usr/local/bin:${PATH}  
export LD_LIBRARY_PATH=/opt/intel/Compiler/11.0/081/lib/intel64:${LD_LIBRARY_PATH}
(The LD_LIBRARY_PATH must point to /opt/intel/Compiler/11.0/081/lib/intel64/libimf.so)

Step 6: mpicc ........

Step 7: Repeat the procedures on the Compute Nodes

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