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@@ -51,38 +51,39 @@ class="cmr-12">Many vendors provide optimized versions of BLAS; if no</span>
class="cmr-12">vendor version is available for a given platform, the ATLAS software</span>
<span
class="cmr-12">(</span><a
href="math-atlas.sourceforge.net" class="url" ><span
class="cmtt-12">math-atlas.sourceforge.net</span></a><span
class="cmr-12">) may be employed. The reference BLAS</span>
href="http://math-atlas.sourceforge.net" ><span
class="cmr-12">math-atlas.sourceforge.net</span></a><span
class="cmr-12">) may be employed. The reference BLAS from</span>
<span
class="cmr-12">from Netlib (</span><a
href="www.netlib.org/blas" class="url" ><span
class="cmtt-12">www.netlib.org/blas</span></a><span
class="cmr-12">) are meant to define the standard</span>
class="cmr-12">Netlib (</span><a
href="http://www.netlib.org/blas" ><span
class="cmr-12">www.netlib.org/blas</span></a><span
class="cmr-12">) are meant to define the standard behaviour of</span>
<span
class="cmr-12">behaviour of the BLAS interface, so they are not optimized for any particular</span>
class="cmr-12">the BLAS interface, so they are not optimized for any particular platform,</span>
<span
class="cmr-12">platform, and should only be used as a last resort. Note that BLAS</span>
class="cmr-12">and should only be used as a last resort. Note that BLAS computations</span>
<span
class="cmr-12">computations form a relatively small part of the AMG4PSBLAS/PSBLAS</span>
class="cmr-12">form a relatively small part of the AMG4PSBLAS/PSBLAS computations;</span>
<span
class="cmr-12">computations; they are however critical when using preconditioners based</span>
class="cmr-12">they are however critical when using preconditioners based on MUMPS,</span>
<span
class="cmr-12">on MUMPS, UMFPACK or SuperLU third party libraries. Note that</span>
class="cmr-12">UMFPACK or SuperLU third party libraries. Note that UMFPACK requires</span>
<span
class="cmr-12">UMFPACK requires a full LAPACK library; our experience is that</span>
class="cmr-12">a full LAPACK library; our experience is that configuring ATLAS for</span>
<span
class="cmr-12">configuring ATLAS for building full LAPACK does not work in the</span>
class="cmr-12">building full LAPACK does not work in the correct way. Our advice is first</span>
<span
class="cmr-12">correct way. Our advice is first to download the LAPACK tarfile from</span>
<a
href="www.netlib.org/lapack" class="url" ><span
class="cmtt-12">www.netlib.org/lapack</span></a> <span
class="cmr-12">and install it independently of ATLAS. In this</span>
class="cmr-12">to download the LAPACK tarfile from </span><a
href="http://www.netlib.org/lapack" ><span
class="cmr-12">www.netlib.org/lapack</span></a> <span
class="cmr-12">and install it</span>
<span
class="cmr-12">case, you need to modify the OPTS and NOOPT definitions for including</span>
class="cmr-12">independently of ATLAS. In this case, you need to modify the OPTS and</span>
<span
class="cmr-12">-fPIC compilation option in the make.inc file of the LAPACK library.</span>
class="cmr-12">NOOPT definitions for including -fPIC compilation option in the make.inc</span>
<span
class="cmr-12">file of the LAPACK library.</span>
</dd><dt class="description">
<span
class="cmbx-12">MPI</span> </dt><dd
@@ -112,15 +113,11 @@ class="cmr-12">17</span></a><span
class="cmr-12">]</span></span> <span
class="cmr-12">Parallel Sparse BLAS (PSBLAS) is available from</span>
<a
href="github.com/sfilippone/psblas3" class="url" ><span
class="cmtt-12">github.com/sfilippone/psblas3</span></a> <span
class="cmr-12">?? </span><span
class="cmbx-12">Mettere tutto sotto psctoolkit</span><span
class="cmr-12">;</span>
href="https://psctoolkit.github.io/products/psblas/" ><span
class="cmr-12">psctoolkit.github.io/products/psblas/</span></a><span
class="cmr-12">; version 3.7.0 (or later) is required.</span>
<span
class="cmr-12">version 3.5.0 (or later) is required. Indeed, all the prerequisites listed so far</span>
<span
class="cmr-12">are also prerequisites of PSBLAS.</span></dd></dl>
class="cmr-12">Indeed, all the prerequisites listed so far are also prerequisites of PSBLAS.</span></dd></dl>
<!--l. 56--><p class="noindent" ><span
class="cmr-12">Please note that the four previous libraries must have Fortran interfaces compatible with</span>
<span