Install OpenMPI on Ubuntu

Briefly describe how to install OpenMPI In Ubuntu. 1. download the latest OpenMPI installation package on the official website, such as: openmpi-1.8.4.tar.gz2.decompress and configure tar-zxvfopenmpi-1.8.4.tar.gz cdopenmpi-1.8.4./configure -- prefix = "/usr/local/openmpi" Note

Briefly describe how to install OpenMPI In Ubuntu.

1. Download OpenMPI

Download the latest version of the installation package on the official website, such as: openmpi-1.8.4.tar.gz

2. decompress and configure

Tar-zxvf openmpi-1.8.4.tar.gzcd openmpi-1.8.4./configure -- prefix = "/usr/local/openmpi"

Note that the last line is to install it in the/usr/local/openmpi Directory, which can be specified as another directory, such as the user directory.

3. Build and install

Makesudo make install

You can add the parameter-j8 after make to compile with 8 cores.

4. Add Environment Variables

Add the following lines to the. bashrc file:

Export PATH = "$ PATH:/usr/local/openmpi/bin" export LD_LIBRARY_PATH = "$ LD_LIBRARY_PATH:/usr/local/openmpi/lib /"

After saving, run

Sudo ldconfig

Open a new terminal to make the environment variable take effect.

5. test whether the installation is successful.

Mpirun

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