X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/rce2015.git/blobdiff_plain/ac4df02370b008c7b6b76f2127b30eb5e745f842..b9555d55cef3c57b08eed2fcc49fa3a5f1834365:/paper.tex?ds=inline diff --git a/paper.tex b/paper.tex index 1fdc62b..3c38513 100644 --- a/paper.tex +++ b/paper.tex @@ -550,8 +550,7 @@ Grid architecture & 2$\times$16, 4$\times$8, 4$\times$16 a \end{table} \subsubsection{Simulations for various grid architectures and scaling-up matrix sizes} -\ \\ -% environment + In this section, we analyze the simulations conducted on various grid configurations and for different sizes of the 3D Poisson problem. The parameters of the network between clusters is fixed to $N2$ (see @@ -611,7 +610,7 @@ the network speed drops down (variation of 12.5\%), the difference between t \subsubsection{Network latency impacts on performance} -\ \\ + \begin{table} [ht!] \centering \begin{tabular}{r c } @@ -639,11 +638,11 @@ network latency from $8.10^{-6}$ to $6.10^{-5}$ implies an absolute time increase of more than $75\%$ (resp. $82\%$) of the execution for the classical GMRES (resp. Krylov multisplitting) algorithm. The execution time factor between the two algorithms varies from 2.2 to 1.5 times with a network latency -decreasing from $8.10^{-6}$ to $6.10^{-5}$. +decreasing from $8.10^{-6}$ to $6.10^{-5}$ second. \subsubsection{Network bandwidth impacts on performance} -\ \\ + \begin{table} [ht!] \centering \begin{tabular}{r c } @@ -676,7 +675,7 @@ presents a better performance in the considered bandwidth interval with a gain of $40\%$ which is only around $24\%$ for the classical GMRES. \subsubsection{Input matrix size impacts on performance} -\ \\ + \begin{table} [ht!] \centering \begin{tabular}{r c } @@ -712,7 +711,8 @@ targeted environment for the application deployment when focusing on the problem size scale up. It should be noticed that the same test has been done with the grid 4 $\times$ 8 leading to the same conclusion. -\subsubsection{CPU Power impacts on performance} +\subsubsection{CPU Power impacts on performance\\} + \begin{table} [htbp] \centering