X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/rce2015.git/blobdiff_plain/c3bff7fe72edcd1226a6248d1c1d799bd98e9e34..feda1be54f4c3fca6e201e6791bd285548372ede:/paper.tex?ds=sidebyside diff --git a/paper.tex b/paper.tex index 6affca8..f1f47bf 100644 --- a/paper.tex +++ b/paper.tex @@ -461,8 +461,7 @@ transit between the clusters and nodes during the code execution. speed. The network between distant clusters might be a bottleneck for the global performance of the application. -\subsection{Comparison of GMRES and Krylov Multisplitting algorithms in -synchronous mode} +\subsection{Comparison of GMRES and Krylov Multisplitting algorithms in synchronous mode} In the scope of this paper, our first objective is to analyze when the Krylov Multisplitting method has better performances than the classical GMRES @@ -481,7 +480,9 @@ and our comments.\\ architecture and scaling up the input matrix size} \ \\ % environment -\begin{footnotesize} + +\begin{figure} [ht!] +\begin{center} \begin{tabular}{r c } \hline Grid & 2x16, 4x8, 4x16 and 8x8\\ %\hline @@ -489,26 +490,34 @@ architecture and scaling up the input matrix size} Input matrix size & N$_{x}$ x N$_{y}$ x N$_{z}$ =150 x 150 x 150\\ %\hline - & N$_{x}$ x N$_{y}$ x N$_{z}$ =170 x 170 x 170 \\ \hline \end{tabular} -Table 1 : Clusters x Nodes with N$_{x}$=150 or N$_{x}$=170 \\ +\caption{Clusters x Nodes with N$_{x}$=150 or N$_{x}$=170 \RC{je ne comprends pas la légende... Ca ne serait pas plutot Characteristics of cluster (mais il faudrait lui donner un nom)}} +\end{center} +\end{figure} -\end{footnotesize} %\RCE{J'ai voulu mettre les tableaux des données mais je pense que c'est inutile et ça va surcharger} -In this section, we compare the algorithms performance running on various grid configuration (2x16, 4x8, 4x16 and 8x8). First, the results in figure 3 show for all grid configuration the non-variation of the number of iterations of classical GMRES for a given input matrix size; it is not -the case for the multisplitting method. +In this section, we analyze the performences of algorithms running on various +grid configuration (2x16, 4x8, 4x16 and 8x8). First, the results in Figure~\ref{fig:01} +show for all grid configuration the non-variation of the number of iterations of +classical GMRES for a given input matrix size; it is not the case for the +multisplitting method. + +\RC{CE attention tu n'as pas mis de label dans tes figures, donc c'est le bordel, j'en mets mais vérifie...} +\RC{Les légendes ne sont pas explicites...} + -%\begin{wrapfigure}{l}{100mm} \begin{figure} [ht!] -\centering -\includegraphics[width=100mm]{cluster_x_nodes_nx_150_and_nx_170.pdf} -\caption{Cluster x Nodes N$_{x}$=150 and N$_{x}$=170} -%\label{overflow}} + \begin{center} + \includegraphics[width=100mm]{cluster_x_nodes_nx_150_and_nx_170.pdf} + \end{center} + \caption{Cluster x Nodes N$_{x}$=150 and N$_{x}$=170} + \label{fig:01} \end{figure} -%\end{wrapfigure} + The execution time difference between the two algorithms is important when comparing between different grid architectures, even with the same number of