X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/GMRES2stage.git/blobdiff_plain/dbb7065c4ccb3cdeb06911258b62798d3caa624d..aeb5859d1996432c60c4346b9f961298caa11f5a:/paper.tex diff --git a/paper.tex b/paper.tex index ba4d0b0..b1c6f59 100644 --- a/paper.tex +++ b/paper.tex @@ -814,7 +814,9 @@ torso3 & fgmres / sor & 37.70 & 565 & 34.97 & 510 \\ -Larger experiments .... +Larger experiments ....\\ + +Describe the problems ex15 and ex54 \begin{table*} \begin{center} @@ -863,6 +865,33 @@ Larger experiments .... \label{tab:04} \end{center} \end{table*} + + + + + +\begin{table*} +\begin{center} +\begin{tabular}{|r|r|r|r|r|r|r|r|} +\hline + + nb. cores & \multicolumn{2}{c|}{gmres variant} & \multicolumn{2}{c|}{2 stage CGLS} & \multicolumn{2}{c|}{2 stage LSQR} & best gain \\ +\cline{2-7} + & Time & \# Iter. & Time & \# Iter. & Time & \# Iter. & \\\hline \hline + 512 & 3,969.69 & 33,120 & 709.57 & 5,790 & 622.76 & 5,070 & \\ + 1024 & 1,530.06 & 25,860 & 290.95 & 4,830 & 307.71 & 5,070 & \\ + 2048 & 919.62 & 31,470 & 237,52 & 8,040 & 194.22 & 6,510 & \\ + 4096 & 405.60 & 28,380 & 111.67 & 7,590 & 91.72 & 6,510 & \\ + 8192 & 785.04 & 109,590 & 76.07 & 10,470 & 69,42 & 9,030 & \\ + +\hline + +\end{tabular} +\caption{Comparison of FGMRES and 2 stage FGMRES algorithms for ex54 of Petsc (both with the MG preconditioner) with 204,919,225 components on Curie with different number of cores (restart=30, s=12, threshol 5e-5), time is expressed in seconds.} +\label{tab:05} +\end{center} +\end{table*} + %%%********************************************************* %%%*********************************************************