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<H1><A NAME="SECTION04170000000000000000">Installation</A></H1>
<A NAME="523"> </A>
<A NAME="chapinstall"> </A>
<P>
To ease the installation process, prebuilt ScaLAPACK libraries
are available on <EM>netlib</EM> for a variety of architectures.
<BLOCKQUOTE> <TT>http://www.netlib.org/scalapack/archives/</TT>
</BLOCKQUOTE>
Included with each prebuilt library archive is the make include
file <TT>SLmake.inc</TT> detailing the compiler options, and so on, used
to compile the library.
If a prebuilt library is not available for the specific architecture,
the user will need to download the source code from <EM>netlib</EM>
<BLOCKQUOTE> <TT>http://www.netlib.org/scalapack/scalapack.tar.gz</TT>
</BLOCKQUOTE>
and build the library as instructed in the ScaLAPACK Installation
Guide [<A HREF="node189.html#lawn93">24</A>]. Sample <TT>SLmake.inc</TT> files for various
architectures are included in the distribution tar file and will
require only limited modifications to customize for a specific
architecture.
<P>
A comprehensive ScaLAPACK Installation Guide (LAPACK Working Note
93) [<A HREF="node189.html#lawn93">24</A>]<A NAME="537"> </A> is distributed with the complete package and contains
descriptions of the testing programs, as well as detailed installation
instructions.
<P>
A BLAS library and BLACS library must have been installed
or be available on the architecture on which the user is planning to run
ScaLAPACK. Users who plan to run ScaLAPACK on top of PVM [<A HREF="node189.html#pvm">68</A>] or
MPI [<A HREF="node189.html#mpi">64</A>, <A HREF="node189.html#SOHWD:96">110</A>] must also have PVM and/or MPI available.
<P>
If a vendor-optimized version of the BLAS is not available,
one can obtain a Fortran77 reference implementation from the <EM>blas</EM> directory
on <EM>netlib</EM>. If a BLACS library is not available,
prebuilt BLACS libraries are available in the
<EM>blacs/archives</EM> directory on <EM>netlib</EM> for a variety of
architecture and message-passing library combinations. Otherwise,
BLACS implementations for the Intel series, IBM SP
series, PVM, and MPI are available from the <EM>blacs</EM> directory on
<EM>netlib</EM>.
PVM is available from the <EM>pvm3</EM> directory on <EM>netlib</EM>, and a reference
implementation of MPI is also available.
Refer to the following URLs<A NAME="548"> </A><A NAME="549"> </A><A NAME="550"> </A><A NAME="551"> </A>:
<BLOCKQUOTE> <TT>http://www.netlib.org/blas/index.html</TT> <BR>
<TT>http://www.netlib.org/blacs/index.html</TT> <BR>
<TT>http://www.netlib.org/blacs/archives/</TT> <BR>
<TT>http://www.netlib.org/pvm3/index.html</TT> <BR>
<TT>http://www.netlib.org/mpi/index.html</TT>
</BLOCKQUOTE>
<P>
Comprehensive test suites<A NAME="559"> </A><A NAME="560"> </A><A NAME="561"> </A><A NAME="562"> </A><A NAME="563"> </A><A NAME="564"> </A>
for the BLAS, BLACS, and PVM are provided on
<EM>netlib</EM>, and it is highly recommended that these test suites be
run to ensure proper installation of the packages.
<P>
If the user will be using PVM, it is important to note that only PVM version
3.3 or later is supported with the BLACS [<A HREF="node189.html#lawn73">113</A>, <A HREF="node189.html#blacs">52</A>]. Because of major
changes in PVM and the resulting changes required in the BLACS,
earlier versions of PVM are not supported.
User who have
a previous release of PVM must obtain version 3.3 or
later to run the PVM BLACS and thus ScaLAPACK.
<P>
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<P><ADDRESS>
<I>Susan Blackford <BR>
Tue May 13 09:21:01 EDT 1997</I>
</ADDRESS>
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