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psblas3:

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base/modules/psb_base_tools_mod.f90
 base/modules/psb_error_mod.F90
 docs/html/node106.html
 docs/html/node43.html
 docs/psblas-3.0.pdf
 docs/src/toolsrout.tex

New CDALL.
This commit is contained in:
Salvatore Filippone
2010-05-26 15:27:30 +00:00
parent a02214eb6a
commit eea1d44360
6 changed files with 4953 additions and 4935 deletions
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docs/src/toolsrout.tex
+12 -8
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@@ -11,13 +11,13 @@
\begin{verbatim}
call psb_cdall(icontxt, desc_a, info,mg=mg,parts=parts)
call psb_cdall(icontxt, desc_a, info,vg=vg,flag=flag)
call psb_cdall(icontxt, desc_a, info,vl=vl,globalcheck=.true.)
call psb_cdall(icontxt, desc_a, info,vl=vl,nl=nl,globalcheck=.true.)
call psb_cdall(icontxt, desc_a, info,nl=nl)
call psb_cdall(icontxt, desc_a, info,mg=mg,repl=.true.)
\end{verbatim}
This subroutine initializes the communication descriptor associated
with an index space. Exactly one of the optional arguments
with an index space. One of the optional arguments
\verb|parts|, \verb|vg|, \verb|vl|, \verb|nl| or \verb|repl|
must be specified, thereby choosing
the specific initialization strategy.
@@ -46,7 +46,7 @@ Scope:{\bf global}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value. It is required if \verb|parts| or
\verb|repl| is specified.
\verb|repl| is specified, it is optional if \verb|vg| is specified.
\item[parts] the subroutine that defines the partitioning scheme.\\
Scope:{\bf global}.\\
Type:{\bf required}.\\
@@ -62,7 +62,8 @@ Specified as: an integer array.
Scope:{\bf local}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value.
Specified as: an integer value. May be specified together with
\verb|vl|.
\item[repl] Data allocation: build a replicated index space (i.e. all
processes own all indices).\\
Scope:{\bf global}.\\
@@ -93,7 +94,7 @@ An integer value; 0 means no error has been detected.
{\par\noindent\large\bfseries Notes}
\begin{enumerate}
\item Exactly one of the optional arguments \verb|parts|, \verb|vg|,
\item One of the optional arguments \verb|parts|, \verb|vg|,
\verb|vl|, \verb|nl| or \verb|repl| must be specified, thereby choosing the
initialization strategy as follows:
\begin{description}
@@ -129,7 +130,9 @@ An integer value; 0 means no error has been detected.
equal to the size of \verb|vg|, and each index $i$ is assigned to
the process $vg(i)$. The vector \verb|vg| must be identical on all
calling processes; its entries may have the ranges $(0\dots np-1)$
or $(1\dots np)$ according to the value of \verb|flag|.
or $(1\dots np)$ according to the value of \verb|flag|. Optionally,
the user may specify \verb|mg|, in
which case the portion \verb|vg(1:mg)| is used.
\item[vl] In this case we are specifying the list of indices assigned
to the current process; thus, the global problem size $mg$ is given by
the range of the aggregate of the individual vectors \verb|vl| specified
@@ -141,7 +144,8 @@ An integer value; 0 means no error has been detected.
If \verb|globalcheck=.false.|, the subroutine will not check for
overlap, and may be substantially faster, but
the user is implicitly guaranteeing that there are neither orphan
nor overlap indices.
nor overlap indices. Optionally, the user may specify \verb|nl|, in
which case the portion \verb|vl(1:nl)| is used.
\item[nl] In this case we are implying a generalized row-block
distribution in which each process $I$ gets assigned a consecutive
chunk of $N_I=nl$ global indices.
@@ -171,7 +175,7 @@ An integer value; 0 means no error has been detected.
unpredictable.
\item Orphan and overlap indices are
impossible by construction when the subroutine is invoked with
\verb|nl| or \verb|vg|.
\verb|nl| (alone), or \verb|vg|.
\end{enumerate}