Before we install any software, we are going to create a number of directories under our account. These will be used for installing MPICH:
If you are not connected to your Master Raspberry Pi, log back in.
From inside your home directory you can then create the following folder:
mkdir mpich3
Navigate into mpich3 and create the following two directories:
mkdir build install
The mpich3 is the directory where we will be installing the MPICH software as well. Feel free to change the numeric value in the directory name to match the major version number of the MPICH software you are downloading.
Our next task is to grab the latest package from the MPICH downloads link:http://www.mpich.org/downloads/
You can use wget to perform this task, make sure the version number is the latest:
wget http://www.mpich.org/static/downloads/3.0.4/mpich-3.0.4.tar.gz
Once the tar.gz file has been downloaded we can unzip it into the mpich3 directory:
tar xvfz mpich-3.0.4.tar.gz
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