Install MPI on Windows, Mac and Ubuntu

（If you meet any errors and need help, please leave them in the comments.）

Windows

1. Install Microsoft Visual Studio.
2. Install Microsoft MPI (MSDN)
   Find here.
3. Test

Install Open MPI in Ubuntu 14.04, 13.10

1. Download the latest version of OpenMPI:

Go to https://www.open-mpi.org/software/ompi/v1.10/, download the first one (openmpi-1.10.2.tar.bz2):

1. Open a terminal, install dependencies (you could add “sudo” before some of the commands if you are meeting errors!):

sudo apt-get install libibnetdisc-dev

1. Decompress the download file:

sudo tar -xvf openmpi-1.10.2.tar.bz2

cd openmpi-1.10.2
4. Configure the installation file
./configure –prefix=”/home/$USER/.openmpi”

1. Install OpenMPI (This path will take time to complete, few minutes)

make

sudo make install
6. Setup path in Environment Variable

export PATH=”$PATH:/home/$USER/.openmpi/bin”
export LD_LIBRARY_PATH=”$LD_LIBRARY_PATH:/home/$USER/.openmpi/lib/”
7. Test if install was successful

mpirun
Result should show ‘How to use’ message:

Install Open MPI in Mac

1. Download the latest version of OpenMPI:

Go to https://www.open-mpi.org/software/ompi/v1.10/, download the first one (openmpi-1.10.2.tar.bz2):

1. Open a terminal, install dependencies:

sudo apt-get install libibnetdisc-dev
3. Decompress the download file:

tar -xvf openmpi-1.10.2.tar.bz2

cd openmpi-1.10.2
4. Configure the installation file
./configure –prefix=/usr/local/openmpi
5. Install OpenMPI (This path will take time to complete, few minutes)

make

sudo make install
6. Setup path in Environment Variable

export MPI_DIR=/usr/local/openmpi
echo $PATH
export PATH=/usr/local/openmpi/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/openmpi/lib:$LD_LIBRARY_PATH
export DYLD_LIBRARY_PATH=$LD_LIBRARY_PATH

1. Test if install was successful

mpirun
Result should show ‘How to use’ message: