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New description of min_coarse_size_per_process

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Salvatore Filippone
2021-03-10 13:19:00 +01:00
parent 6258d2398c
commit 3bfe62517b
58 changed files with 1145 additions and 1145 deletions
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+18 -18
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@@ -3,8 +3,8 @@
<html >
<head><title>Getting Started</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="generator" content="TeX4ht (http://www.tug.org/tex4ht/)">
<meta name="originator" content="TeX4ht (http://www.tug.org/tex4ht/)">
<meta name="generator" content="TeX4ht (https://tug.org/tex4ht/)">
<meta name="originator" content="TeX4ht (https://tug.org/tex4ht/)">
<!-- html,3 -->
<meta name="src" content="userhtml.tex">
<link rel="stylesheet" type="text/css" href="userhtml.css">
@@ -239,7 +239,7 @@ class="cmcsc-10x-x-109"><span
class="small-caps">t</span><span
class="small-caps">y</span><span
class="small-caps">p</span><span
class="small-caps">e</span> </span></td><td style="white-space:wrap; text-align:left;" id="TBL-1-1-2"
class="small-caps">e</span> </span></td><td style="white-space:normal; text-align:left;" id="TBL-1-1-2"
class="td11"><!--l. 61--><p class="noindent" ><span
class="cmcsc-10x-x-109"><span
class="small-caps">s</span><span
@@ -247,7 +247,7 @@ class="small-caps">t</span><span
class="small-caps">r</span><span
class="small-caps">i</span><span
class="small-caps">n</span><span
class="small-caps">g</span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-1-3"
class="small-caps">g</span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-1-3"
class="td11"><!--l. 61--><p class="noindent" ><span
class="cmcsc-10x-x-109"><span
class="small-caps">d</span><span
@@ -273,21 +273,21 @@ class="small-caps">e</span><span
class="small-caps">r</span></span> </td></tr><tr
class="hline"><td><hr></td><td><hr></td><td><hr></td></tr><tr
style="vertical-align:baseline;" id="TBL-1-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-1-2-1"
class="td11">No preconditioner </td><td style="white-space:wrap; text-align:left;" id="TBL-1-2-2"
class="td11">No preconditioner </td><td style="white-space:normal; text-align:left;" id="TBL-1-2-2"
class="td11"><!--l. 62--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;NONE&#8217;</span></span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-2-3"
class="cmtt-10x-x-109">&#8217;NONE&#8217;</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-2-3"
class="td11"><!--l. 62--><p class="noindent" >Considered to use the PSBLAS Krylov solvers
with no preconditioner. </td>
</tr><tr
class="hline"><td><hr></td><td><hr></td><td><hr></td></tr><tr
style="vertical-align:baseline;" id="TBL-1-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-1-3-1"
class="td11">Diagonal </td><td style="white-space:wrap; text-align:left;" id="TBL-1-3-2"
class="td11">Diagonal </td><td style="white-space:normal; text-align:left;" id="TBL-1-3-2"
class="td11"><!--l. 64--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;DIAG&#8217;</span></span></span>,
<span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;JACOBI&#8217;</span></span></span>,
<span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;L1-JACOBI&#8217;</span></span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-3-3"
class="cmtt-10x-x-109">&#8217;L1-JACOBI&#8217;</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-3-3"
class="td11"><!--l. 64--><p class="noindent" >Diagonal preconditioner. For any zero diagonal
entry of the matrix to be preconditioned, the
corresponding entry of the preconditioner is set
@@ -295,47 +295,47 @@ to&#x00A0;1. </td>
</tr><tr
class="hline"><td><hr></td><td><hr></td><td><hr></td></tr><tr
style="vertical-align:baseline;" id="TBL-1-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-1-4-1"
class="td11">Gauss-Seidel </td><td style="white-space:wrap; text-align:left;" id="TBL-1-4-2"
class="td11">Gauss-Seidel </td><td style="white-space:normal; text-align:left;" id="TBL-1-4-2"
class="td11"><!--l. 67--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;GS&#8217;</span></span></span>,
<span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;L1-GS&#8217;</span></span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-4-3"
class="cmtt-10x-x-109">&#8217;L1-GS&#8217;</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-4-3"
class="td11"><!--l. 67--><p class="noindent" >Hybrid Gauss-Seidel (forward), that is, global
block Jacobi with Gauss-Seidel as local solver. </td>
</tr><tr
class="hline"><td><hr></td><td><hr></td><td><hr></td></tr><tr
style="vertical-align:baseline;" id="TBL-1-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-1-5-1"
class="td11">Symmetrized Gauss-Seidel</td><td style="white-space:wrap; text-align:left;" id="TBL-1-5-2"
class="td11">Symmetrized Gauss-Seidel</td><td style="white-space:normal; text-align:left;" id="TBL-1-5-2"
class="td11"><!--l. 70--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;FBGS&#8217;</span></span></span>,
<span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;L1-FBGS&#8217;</span></span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-5-3"
class="cmtt-10x-x-109">&#8217;L1-FBGS&#8217;</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-5-3"
class="td11"><!--l. 70--><p class="noindent" >Symmetrized hybrid Gauss-Seidel, that is,
forward Gauss-Seidel followed by backward
Gauss-Seidel. </td>
</tr><tr
class="hline"><td><hr></td><td><hr></td><td><hr></td></tr><tr
style="vertical-align:baseline;" id="TBL-1-6-"><td style="white-space:nowrap; text-align:left;" id="TBL-1-6-1"
class="td11">Block Jacobi </td><td style="white-space:wrap; text-align:left;" id="TBL-1-6-2"
class="td11">Block Jacobi </td><td style="white-space:normal; text-align:left;" id="TBL-1-6-2"
class="td11"><!--l. 73--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;BJAC&#8217;</span></span></span>,
<span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;L1-BJAC&#8217;</span></span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-6-3"
class="cmtt-10x-x-109">&#8217;L1-BJAC&#8217;</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-6-3"
class="td11"><!--l. 73--><p class="noindent" >Block-Jacobi with ILU(0) on the local blocks. </td>
</tr><tr
class="hline"><td><hr></td><td><hr></td><td><hr></td></tr><tr
style="vertical-align:baseline;" id="TBL-1-7-"><td style="white-space:nowrap; text-align:left;" id="TBL-1-7-1"
class="td11">Additive Schwarz </td><td style="white-space:wrap; text-align:left;" id="TBL-1-7-2"
class="td11">Additive Schwarz </td><td style="white-space:normal; text-align:left;" id="TBL-1-7-2"
class="td11"><!--l. 74--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;AS&#8217;</span></span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-7-3"
class="cmtt-10x-x-109">&#8217;AS&#8217;</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-7-3"
class="td11"><!--l. 74--><p class="noindent" >Additive Schwarz (AS), with overlap&#x00A0;1 and
ILU(0) on the local blocks. </td>
</tr><tr
class="hline"><td><hr></td><td><hr></td><td><hr></td></tr><tr
style="vertical-align:baseline;" id="TBL-1-8-"><td style="white-space:nowrap; text-align:left;" id="TBL-1-8-1"
class="td11">Multilevel </td><td style="white-space:wrap; text-align:left;" id="TBL-1-8-2"
class="td11">Multilevel </td><td style="white-space:normal; text-align:left;" id="TBL-1-8-2"
class="td11"><!--l. 76--><p class="noindent" ><span class="obeylines-h"><span class="verb"><span
class="cmtt-10x-x-109">&#8217;ML&#8217;</span></span></span> </td><td style="white-space:wrap; text-align:left;" id="TBL-1-8-3"
class="cmtt-10x-x-109">&#8217;ML&#8217;</span></span></span> </td><td style="white-space:normal; text-align:left;" id="TBL-1-8-3"
class="td11"><!--l. 76--><p class="noindent" >V-cycle with one hybrid forward Gauss-Seidel
(GS) sweep
as pre-smoother and one hybrid backward GS