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New docs, merged comments from Daniela, updated PDF.

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Salvatore Filippone
2017-07-17 15:39:18 +01:00
parent 6097a8fbb6
commit 38df8fac57
126 changed files with 3778 additions and 4197 deletions
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docs/html/node14.html
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@@ -25,26 +25,26 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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@@ -78,7 +78,7 @@ Section&nbsp;<A HREF="node10.html#sec:ex_and_test">3.5</A>). A sample test probl
input data is available in <code>examples/fileread/runs</code>.
For details on the use of the PSBLAS routines, see the PSBLAS User's
Guide&nbsp;[<A
HREF="node27.html#PSBLASGUIDE">17</A>].
HREF="node26.html#PSBLASGUIDE">13</A>].
<P>
The setup and application of the default multi-level preconditioner
@@ -89,7 +89,7 @@ the corresponding codes are available in <code>examples/fileread/</code>.
<P>
<DIV ALIGN="CENTER"><A NAME="fig:ex1"></A><A NAME="516"></A>
<DIV ALIGN="CENTER"><A NAME="fig:ex1"></A><A NAME="520"></A>
<TABLE>
<CAPTION ALIGN="BOTTOM"><STRONG>Figure 2:</STRONG>
setup and application of the default multi-level preconditioner (example 1).
@@ -127,11 +127,11 @@ setup and application of the default multi-level preconditioner (example 1).
! with basic smoothed aggregation, 1 hybrid forward/backward
! GS sweep as pre/post-smoother and UMFPACK as coarsest-level
! solver
call P%init(P,'ML',info)
call P%init('ML',info)
!
! build the preconditioner
call P%hierarchy_build(A,desc_A,P,info)
call P%smoothers_build(A,desc_A,P,info)
call P%hierarchy_build(A,desc_A,info)
call P%smoothers_build(A,desc_A,info)
!
! set the solver parameters and the initial guess
@@ -142,7 +142,7 @@ setup and application of the default multi-level preconditioner (example 1).
... ...
!
! deallocate the preconditioner
call P%free(P,info)
call P%free(info)
!
! deallocate other data structures
... ...
@@ -198,7 +198,7 @@ boundary conditions are also available in the directory <code>examples/pdegen</c
<P>
<DIV ALIGN="CENTER"><A NAME="fig:ex2"></A><A NAME="518"></A>
<DIV ALIGN="CENTER"><A NAME="fig:ex2"></A><A NAME="522"></A>
<TABLE>
<CAPTION ALIGN="BOTTOM"><STRONG>Figure 3:</STRONG>
setup of a multi-level preconditioner</CAPTION>
@@ -211,12 +211,12 @@ setup of a multi-level preconditioner</CAPTION>
! build a V-cycle preconditioner with 1 block-Jacobi sweep (with
! ILU(0) on the blocks) as pre- and post-smoother, and 8 block-Jacobi
! sweeps (with ILU(0) on the blocks) as coarsest-level solver
call P%init(P,'ML',info)
call_P%set(P,'SMOOTHER_TYPE','BJAC',info)
call P%set(P,'COARSE_SOLVE','BJAC',info)
call P%set(P,'COARSE_SWEEPS',8,info)
call P%hierarchy_build(A,desc_A,P,info)
call P%smoothers_build(A,desc_A,P,info)
call P%init('ML',info)
call_P%set('SMOOTHER_TYPE','BJAC',info)
call P%set('COARSE_SOLVE','BJAC',info)
call P%set('COARSE_SWEEPS',8,info)
call P%hierarchy_build(A,desc_A,info)
call P%smoothers_build(A,desc_A,info)
... ...
</PRE>
</TD></TR>
@@ -231,7 +231,7 @@ setup of a multi-level preconditioner</CAPTION>
<P>
<DIV ALIGN="CENTER"><A NAME="fig:ex3"></A><A NAME="520"></A>
<DIV ALIGN="CENTER"><A NAME="fig:ex3"></A><A NAME="524"></A>
<TABLE>
<CAPTION ALIGN="BOTTOM"><STRONG>Figure 4:</STRONG>
setup of a multi-level preconditioner</CAPTION>
@@ -244,17 +244,17 @@ setup of a multi-level preconditioner</CAPTION>
! build a W-cycle preconditioner with 2 Gauss-Seidel sweeps as
! post-smoother (and no pre-smoother), a distributed coarsest
! matrix, and MUMPS as coarsest-level solver
call P%init(P,'ML',info)
call P%init('ML',info)
call P%set('ML_TYPE','WCYCLE',info)
call P%set('SMOOTHER_TYPE','GS',info)
call P%set('SMOOTHER_SWEEPS',0,info,pos='PRE')
call P%set('SMOOTHER_SWEEPS',2,info,pos='POST')
call P%set('COARSE_SOLVE','MUMPS',info)
call P%set('COARSE_MAT','DIST',info)
call P%hierarchy_build(A,desc_A,P,info)
call P%smoothers_build(A,desc_A,P,info)
call P%hierarchy_build(A,desc_A,info)
call P%smoothers_build(A,desc_A,info)
... ...
! solve Ax=b with preconditioned CG
! solve Ax=b with preconditioned BiCGSTAB
call psb_krylov('BICGSTAB',A,P,b,x,tol,desc_A,info)
</PRE>
</TD></TR>
@@ -267,7 +267,7 @@ setup of a multi-level preconditioner</CAPTION>
<P>
<DIV ALIGN="CENTER"><A NAME="fig:ex4"></A><A NAME="522"></A>
<DIV ALIGN="CENTER"><A NAME="fig:ex4"></A><A NAME="526"></A>
<TABLE>
<CAPTION ALIGN="BOTTOM"><STRONG>Figure 5:</STRONG>
setup of a one-level Schwarz preconditioner.</CAPTION>
@@ -278,9 +278,9 @@ setup of a one-level Schwarz preconditioner.</CAPTION>
<PRE>
... ...
! set RAS with overlap 2 and ILU(0) on the local blocks
call P%init(P,'AS',info)
call P%set(P,'SUB_OVR',2,info)
call P%bld(A,desc_A,P,info)
call P%init('AS',info)
call P%set('SUB_OVR',2,info)
call P%bld(A,desc_A,info)
... ...
</PRE>
</TD></TR>
@@ -294,26 +294,26 @@ setup of a one-level Schwarz preconditioner.</CAPTION>
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