Add openmp

src/mpi/mpi.tex

 \renewcommand{\FIGREP}{src/mpi/figures}
 
-\section{Compilation with MPI}
+\section{Compilation with MPI and OpenMP}
 \label{sec:mpi}
 \intersec{deneb}
 
@@ -199,6 +199,44 @@
   \end{itemize}
 \end{frame}
 
+\subsection{Compiling an OpenMP program}
+\label{sec:ompCompilation}
+\begin{frame}
+  \frametitle{Compiling an OpenMP program}
+  \framesubtitle{}
+  \begin{itemize}
+     \item OpenMP support comes from the standard compiler
+     \item Syntax is compiler dependent 
+     \begin{itemize}
+       \item \cmd{gcc -fopenmp mycode.c}  
+       \item \cmd{icc -qopenmp mycode.c}  
+       \item \cmd{gfortran -fopenmp mycode.f95}  
+       \item \cmd{ifort -qopenmp mycode.f95}
+     \end{itemize}
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[t,fragile]
+  \frametitle{Compiling an OpenMP program}
+  \framesubtitle{}
+      \begin{itemize}
+     \item Example of slurm script to launch hybrid MPI+OpenMP code
+        \begin{bashcode}
+        #!/bin/bash
+
+        #SBATCH --nodes=1
+        #SBATCH --ntasks=6
+        #SBATCH --cpus-per-task=4
+        #SBATCH --mem=100G
+
+        module purge
+        module load intel intel-mpi
+        export OMP_NUM_THREADS=\$SLURM_CPUS_PER_TASK
+
+        srun my_hybrid_code.x --in=myinput.dat
+        \end{bashcode}        
+  \end{itemize}
+\end{frame}
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