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[GMRES2stage.git] / paper.tex

diff --git a/paper.tex b/paper.tex
index ba4d0b0ef527043fdd891ff7f3fdc219e019cc01..b1c6f598dc2f166a99d06aad3f3edc09f45fc6ff 100644 (file)
--- 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*}
+
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