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Started playing around with type extensions and typebound

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procedures.
Merged performance fixes from trunk.
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Salvatore Filippone
2008-09-19 16:06:44 +00:00
parent 32e6a17188
commit 00c1468c6c
285 changed files with 8931 additions and 7145 deletions
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docs/html/node6.html
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@@ -67,7 +67,7 @@ pattern. As an example, consider a cell-centered finite-volume
discretization of the Navier-Stokes equations on a simulation domain;
the index space <IMG
WIDTH="45" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img12.png"
SRC="img14.png"
ALT="$1\dots n$"> is isomorphic to the set of cell centers,
whereas the pattern of the associated linear system matrix is
isomorphic to the adjacency graph imposed on the discretization mesh
@@ -78,7 +78,7 @@ Thus the first order of business is to establish an index space, and
this is done with a call to <code>psb_cdall</code> in which we specify the
size of the index space <IMG
WIDTH="14" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img13.png"
SRC="img15.png"
ALT="$n$"> and the allocation of the elements of the
index space to the various processes making up the MPI (virtual)
parallel machine.
@@ -87,22 +87,22 @@ parallel machine.
The index space is partitioned among processes, and this creates a
mapping from the ``global'' numbering <IMG
WIDTH="45" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img12.png"
SRC="img14.png"
ALT="$1\dots n$"> to a numbering
``local'' to each process; each process <IMG
WIDTH="10" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
SRC="img3.png"
SRC="img4.png"
ALT="$i$"> will own a certain subset
<!-- MATH
$1\dots n_{\hbox{row}_i}$
-->
<IMG
WIDTH="76" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img14.png"
SRC="img16.png"
ALT="$1\dots n_{\hbox{row}_i}$">, each element of which corresponds to a certain
element of <IMG
WIDTH="45" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img12.png"
SRC="img14.png"
ALT="$1\dots n$">. The user does not set explicitly this mapping;
when the application needs to indicate to which element of the index
space a certain item is related, such as the row and column index of a
@@ -112,7 +112,7 @@ library will translate into the appropriate ``local'' numbering.
<P>
For a given index space <IMG
WIDTH="45" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
SRC="img12.png"
SRC="img14.png"
ALT="$1\dots n$"> there are many possible associated
topologies, i.e. many different discretization stencils; thus the
description of the index space is not completed until the user has
@@ -121,7 +121,7 @@ or implicitly through <code>psb_spins</code>. The descriptor is finalized
with a call to <code>psb_cdasb</code> and a sparse matrix with a call to
<code>psb_spasb</code>. After <code>psb_cdasb</code> each process <IMG
WIDTH="10" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
SRC="img3.png"
SRC="img4.png"
ALT="$i$"> will have
defined a set of ``halo'' (or ``ghost'') indices
<!-- MATH
@@ -129,11 +129,11 @@ defined a set of ``halo'' (or ``ghost'') indices
-->
<IMG
WIDTH="131" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img15.png"
SRC="img17.png"
ALT="$n_{\hbox{row}_i}+1\dots n_{\hbox{col}_i}$">, denoting elements of the index
space that are <I>not</I> assigned to process <IMG
WIDTH="10" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
SRC="img3.png"
SRC="img4.png"
ALT="$i$">; however the
variables associated with them are needed to complete computations
associated with the sparse matrix <IMG