Added NL to desciption of CDALL.

psblas3-type-indexed
Salvatore Filippone 18 years ago
parent 9f99eef283
commit 3e773d97ad

@ -34,7 +34,7 @@ Long Precision Complex & psb\_halo \\
\end{table} \end{table}
\syntax{call psb\_halo}{x, desc\_a, info} \syntax{call psb\_halo}{x, desc\_a, info}
\syntax*{call psb\_halo}{x, desc\_a, info, alpha, work} \syntax*{call psb\_halo}{x, desc\_a, info, alpha, work, data}
\begin{description} \begin{description}
\item[\bf On Entry] \item[\bf On Entry]
@ -58,6 +58,13 @@ Scope: {\bf local} \\
Type: {\bf optional}\\ Type: {\bf optional}\\
Specified as: a rank one array of the same type of $x$ with the Specified as: a rank one array of the same type of $x$ with the
POINTER attribute. POINTER attribute.
\item[data] index list selector.\\
Scope: {\bf global} \\
Type: {\bf optional} \\
Specified as: an integer. Values:\verb|psb_comm_halo_|,
\verb|psb_comm_ext_|, default: \verb|psb_comm_halo_|. Chooses the
index list on which to base the data exchange.
\item[\bf On Return] \item[\bf On Return]
\item[x] global dense result matrix $x$.\\ \item[x] global dense result matrix $x$.\\

@ -10,6 +10,7 @@
\syntax{call psb\_cdall}{icontxt, desc\_a, info,mg=mg,parts=parts} \syntax{call psb\_cdall}{icontxt, desc\_a, info,mg=mg,parts=parts}
\syntax*{call psb\_cdall}{icontxt, desc\_a, info,vg=vg,flag=flag} \syntax*{call psb\_cdall}{icontxt, desc\_a, info,vg=vg,flag=flag}
\syntax*{call psb\_cdall}{icontxt, desc\_a, info,vl=vl} \syntax*{call psb\_cdall}{icontxt, desc\_a, info,vl=vl}
\syntax*{call psb\_cdall}{icontxt, desc\_a, info,nl=nl}
This subroutine initializes the communication descriptor associated This subroutine initializes the communication descriptor associated
with an index space. Exactly one of the optional arguments with an index space. Exactly one of the optional arguments
@ -45,6 +46,11 @@ Specified as: a subroutine.
Scope:{\bf local}.\\ Scope:{\bf local}.\\
Type:{\bf optional}.\\ Type:{\bf optional}.\\
Specified as: an integer array. Specified as: an integer array.
\item[nl] Data allocation: in a generalized block-row distribution the
number of indices belonging to the current process.
Scope:{\bf local}.\\
Type:{\bf optional}.\\
Specified as: an integer value.
\end{description} \end{description}
\begin{description} \begin{description}
@ -62,8 +68,8 @@ An integer value; 0 means no error has been detected.
\section*{Notes} \section*{Notes}
\begin{enumerate} \begin{enumerate}
\item Exactly one of the optional arguments \verb|parts|, \verb|vg|, \item Exactly one of the optional arguments \verb|parts|, \verb|vg|,
\verb|vl| must be specified, thereby choosing the initialization \verb|vl|, \verb|nl| must be specified, thereby choosing the
strategy as follows: initialization strategy as follows:
\begin{description} \begin{description}
\item[parts] In this case we have a subroutine specifying the mapping \item[parts] In this case we have a subroutine specifying the mapping
between global indices and process/local index pairs. If this between global indices and process/local index pairs. If this
@ -103,6 +109,9 @@ An integer value; 0 means no error has been detected.
the sum of the sizes of the individual vectors \verb|vl| specified the sum of the sizes of the individual vectors \verb|vl| specified
on the calling processes. The subroutine will check that each entry on the calling processes. The subroutine will check that each entry
in the global index space $(1\dots mg)$ is specified exactly once. in the global index space $(1\dots mg)$ is specified exactly once.
\item[nl] In this case we are implying a generalize row-block
distribution in which each process $I$ gets assigned a consecutive
chunk of $N_I=nl$ global indices.
\end{description} \end{description}
\item On exit from this routine the descriptor is in the build state \item On exit from this routine the descriptor is in the build state
\end{enumerate} \end{enumerate}

File diff suppressed because one or more lines are too long
Loading…
Cancel
Save