\begin{itemize}
\item HOSTFILE: Text file containing the list of the processors units name. Here 100 hosts;
-\item PLATFORM: XML file description of the platform architecture : two clusters (cluster1 and cluster2) with the following characteristics :
+\item PLATFORM: XML file description of the platform architecture whith the following characteristics: %two clusters (cluster1 and cluster2) with the following characteristics :
\begin{itemize}
+ \item 2 clusters of 50 hosts each;
\item Processor unit power: \np[GFlops]{1.5};
\item Intracluster network bandwidth: \np[Gbit/s]{1.25} and latency:
\np[$\mu$s]{0.05};
\begin{itemize}
\item Description of the cluster architecture matching the format <Number of
- cluster> <Number of hosts in cluster1> <Number of hosts in cluster2>;
+ clusters> <Number of hosts in cluster1> <Number of hosts in cluster2>;
\item Maximum number of iterations;
\item Precisions on the residual error;
\item Matrix size $N_x$, $N_y$ and $N_z$;