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Programming Details

C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming. Although originally developed by Microsoft for their own platform it has been standardised and a Linux version called MONO has been developed and matured.

The Mono project provides an open-source C# compiler, a complete open-source implementation of the Common Language Infrastructure including the required framework libraries as they appear in the ECMA specification, and a nearly complete implementation of the Microsoft proprietary .NET class libraries up to .NET 3.5. Note at this time Windows Presentation Foundation (WPF) does not exist.

Programming example

using System;
using MPI;

class Ring
    static void Main(string[] args)
        using (new MPI.Environment(ref args))
            Intracommunicator comm =;
            if (comm.Rank == 0)
                // program for rank 0
            else // not rank 0
                // program for all other ranks

Modules Available

The following modules are available:

  • module add mono/5.2.0


The program would be compiled in the following way:

[username@login01 ~]$ module add mono/5.2.0
[username@login01 ~]$ mcs -out:cDEMO.exe cDEMO.cs

Usage Examples

Batch example


#SBATCH -J openmpi-single-node
#SBATCH --ntasks-per-node 28
#SBATCH -o %N.%j.%a.out
#SBATCH -e %N.%j.%a.err
#SBATCH -p compute
#SBATCH --exclusive


module purge
module add mono/4.4.1

export I_MPI_DEBUG=5
export I_MPI_FABRICS=shm:tmi
export I_MPI_FALLBACK=no

mono /home/user/CODE_SAMPLES/C-SHARP/cDEMO.exe

[username@login01 ~]$ sbatch demo.job
Submitted batch job 291552

Further Information