From: RCE Date: Thu, 30 Apr 2015 21:21:57 +0000 (+0200) Subject: RCE : Remise en forme du tableau du dernier paragraphe - Quelques corrections X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/rce2015.git/commitdiff_plain/1d9e9316f105c040c1a777d2e16d9002b041e9c4?ds=inline;hp=-c RCE : Remise en forme du tableau du dernier paragraphe - Quelques corrections --- 1d9e9316f105c040c1a777d2e16d9002b041e9c4 diff --git a/paper.tex b/paper.tex index 8f39683..70f5e86 100644 --- a/paper.tex +++ b/paper.tex @@ -596,7 +596,7 @@ same test has been done with the grid 2x16 getting the same conclusion. \begin{tabular}{r c } \hline Grid & 2x16\\ %\hline - Network & N2 : bw=1Gbs - lat=5E-05 \\ %\hline + Network & N2 : bw=1Gbs - lat=5.10$^{-5}$ \\ %\hline Input matrix size & N$_{x}$ = 150 x 150 x 150\\ \hline \end{tabular} Table 6 : CPU Power impact \\ @@ -654,10 +654,10 @@ The test conditions are summarized in the table below : \\ \hline Grid & 2x50 totaling 100 processors\\ %\hline Processors & 1 GFlops to 1.5 GFlops\\ - Intra-Network & bw=1.25 Gbits - lat=5E-05 \\ %\hline - Inter-Network & bw=5 Mbits - lat=2E-02\\ + Intra-Network & bw=1.25 Gbits - lat=5.10$^{-5}$ \\ %\hline + Inter-Network & bw=5 Mbits - lat=2.10$^{-2}$\\ Input matrix size & N$_{x}$ = From 62 to 150\\ %\hline - Residual error precision: 10$^{-5}$ to 10$^{-9}$\\ \hline \\ + Residual error precision & 10$^{-5}$ to 10$^{-9}$\\ \hline \\ \end{tabular} \end{footnotesize} @@ -666,11 +666,8 @@ CPU power and the network parameters (bandwidth and latency) in the simulator tool with different problem size. The relative gains greater than 1 between the two algorithms have been captured after each step of the test. Table I below has recorded the best grid configurations -allowing a multiplitting method time more than 2.5 times lower than -classical GMRES execution and convergence time. The finding thru this -experimentation is the tolerance of the multisplitting method under a -low speed network that we encounter usually with distant clusters thru the -internet. +allowing the multisplitting method execution time more performant 2.5 times than +the classical GMRES execution and convergence time. The experimentation has demonstrated the relative multisplitting algorithm tolerance when using a low speed network that we encounter usually with distant clusters thru the internet. % use the same column width for the following three tables \newlength{\mytablew}\settowidth{\mytablew}{\footnotesize\np{E-11}} @@ -686,49 +683,25 @@ internet. the classical GMRES} \label{"Table 7"} - \begin{mytable}{6} - \hline - bandwidth (Mbit/s) - & 5 & 5 & 5 & 5 & 5 \\ - \hline - latency (ms) - & 20 & 20 & 20 & 20 & 20 \\ - \hline - power (GFlops) - & 1 & 1 & 1 & 1.5 & 1.5 \\ - \hline - size (N) - & 62 & 62 & 62 & 100 & 100 \\ - \hline - Precision - & \np{E-5} & \np{E-8} & \np{E-9} & \np{E-11} & \np{E-11} \\ - \hline - Relative gain - & 2.52 & 2.55 & 2.52 & 2.57 & 2.54 \\ - \hline - \end{mytable} - - \smallskip - - \begin{mytable}{6} + \begin{mytable}{11} \hline bandwidth (Mbit/s) - & 50 & 50 & 50 & 50 & 50 \\ + & 5 & 5 & 5 & 5 & 5 & 50 & 50 & 50 & 50 & 50 \\ \hline latency (ms) - & 20 & 20 & 20 & 20 & 20 \\ + & 20 & 20 & 20 & 20 & 20 & 20 & 20 & 20 & 20 & 20 \\ \hline power (GFlops) - & 1.5 & 1.5 & 1 & 1.5 & 1.5 \\ + & 1 & 1 & 1 & 1.5 & 1.5 & 1.5 & 1.5 & 1 & 1.5 & 1.5 \\ \hline size (N) - & 110 & 120 & 130 & 140 & 150 \\ + & 62 & 62 & 62 & 100 & 100 & 110 & 120 & 130 & 140 & 150 \\ \hline Precision - & \np{E-11} & \np{E-11} & \np{E-11} & \np{E-11} & \np{E-11}\\ + & \np{E-5} & \np{E-8} & \np{E-9} & \np{E-11} & \np{E-11} & \np{E-11} & \np{E-11} & \np{E-11} & \np{E-11} & \np{E-11}\\ \hline Relative gain - & 2.53 & 2.51 & 2.58 & 2.55 & 2.54 \\ + & 2.52 & 2.55 & 2.52 & 2.57 & 2.54 & 2.53 & 2.51 & 2.58 & 2.55 & 2.54 \\ \hline \end{mytable} \end{table}