Difference between revisions of "Programming/C-Sharp"
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Revision as of 16:23, 30 January 2017
Contents
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 = Communicator.world; if (comm.Rank == 0) { // program for rank 0 } else // not rank 0 { // program for all other ranks } } } }
Compilation
The program would be compiled in the following way, optional Intel compiler available too:
module load mono/4.4.1 mcs -out:cDEMO.exe cDEMO.cs
Usage Examples
Batch example
#!/bin/bash #SBATCH -J openmpi-single-node #SBATCH -N 1 #SBATCH --ntasks-per-node 28 #SBATCH -D /home/user/CODE_SAMPLES/OPENMP #SBATCH -o %N.%j.%a.out #SBATCH -e %N.%j.%a.err #SBATCH -p compute #SBATCH --exclusive echo $SLURM_JOB_NODELIST module purge module load mono/4.4.1 export I_MPI_DEBUG=5 export I_MPI_FABRICS=shm:tmi export I_MPI_FALLBACK=no mono /home/user/CODE_SAMPLES/C-SHARP/cDEMO.exe
[username@login01 ~]$ sbatch demo.job Submitted batch job 291552