X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/GMRES2stage.git/blobdiff_plain/a71cbaf8deace5aa6be2f43f9c2f97dab867a9b1..dfdee1f9086e9574b81e615edd998441ed3b82ae:/paper.tex diff --git a/paper.tex b/paper.tex index 98f208f..c8305c5 100644 --- a/paper.tex +++ b/paper.tex @@ -884,13 +884,14 @@ torso3 & 2D/3D problem & 259,156 & 4,429,042 \\ \label{tab:01} \end{center} \end{table} -Chosen parameters are detailed below. As by default the restart of GMRES is -performed every 30 iterations, we have chosen to stop the GMRES every 30 -iterations (\emph{i.e.} $max\_iter_{kryl}=30$). $s$ is set to 8. CGLS is chosen -to minimize the least-squares problem with the following parameters: +Chosen parameters are detailed below. +We have stopped the GMRES every 30 +iterations (\emph{i.e.}, $max\_iter_{kryl}=30$), which is the default +setting of GMRES. $s$, for its part, has been set to 8. CGLS + minimizes the least-squares problem with parameters $\epsilon_{ls}=1e-40$ and $max\_iter_{ls}=20$. The external precision is set to -$\epsilon_{tsirm}=1e-10$. Those experiments have been performed on a Intel(R) -Core(TM) i7-3630QM CPU @ 2.40GHz with the version 3.5.1 of PETSc. +$\epsilon_{tsirm}=1e-10$. These experiments have been performed on an Intel(R) +Core(TM) i7-3630QM CPU @ 2.40GHz with the 3.5.1 version of PETSc. In Table~\ref{tab:02}, some experiments comparing the solving of the linear