Using Module Environment

This section describe some of the basic usage of Modules.

In marron, modules is used to managed all the different program development packages. For example, the different compiler (GNU, PGI) or the FFTW, ACML libraries etc. Module enable user to switch between programming environment and load required packages.

List currently loaded modules by typing:

module list

Display changes made by a certain module on the environment:

module show gcc

Show all available module on marron:

mmodule avail

Users can also swap between module by unloading and loading the required modules. For example changing from pgi to gnu would be:

module swap PrgEnv-pgi PrgEnv-gnu

By using module to set your environment it will also include the required Cray wrapper scripts to link appropriate libraries for the application to compile.