Update first exercise

src/mpi/mpi.tex

@@ -56,6 +56,7 @@
   \framesubtitle{Exercise compilationMPI}
   \begin{itemize}
     \item Go to the directory \cmd{compilationMPI}
+    \item Load MPI module: \cmd{module load mvapich2}
     \item Compile and execute the code using srun and multiple MPI processes
   \end{itemize}
 \end{frame}

src/serial/serial.tex

@@ -63,7 +63,7 @@
   \begin{itemize}  
     \item "Manipulation": \cmd{-o}, \cmd{-c}, etc.
     \item "Optimization": \cmd{-On}, \cmd{-fastmath}, etc.
-    \item "Debug": \cmd{-g}, \cmd{-traceback} (gcc), etc.    
+    \item "Debug": \cmd{-g}, \cmd{-V} \cmd{-traceback} (gcc), etc.    
     \item Option summary for GNU: \url{https://gcc.gnu.org/onlinedocs/gcc/Option-Summary.html\#Option-Summary}
   \end{itemize}
 \end{frame}
@@ -72,10 +72,12 @@
   \frametitle{Compilation}
   \framesubtitle{Exercise simpleCompilation}
   \begin{itemize}
+    \item Load gcc module with \cmd{module load gcc}
     \item Go to the directory \cmd{simpleCompilation}
     \item Compile the code \cmd{saxpy.F90}
-    \item Modify \cmd{saxpy.F90} in order to suppress warnings
+    \item Display warnings with \cmd{-Wall} option and modify \cmd{saxpy.F90} in order to suppress these warnings
     \item Execute the code
+    \item Use \cmd{-D} option in the compilation to define the macro \cmd{MY_MACRO} and check the results during the execution
     \item Try different compilation options for optimization, and compare the timing displayed from the corresponding runs
   \end{itemize}
 \end{frame}