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  <section class="tex2jax_ignore mathjax_ignore" id="summary-of-sparse-linear-solvers-available-in-petsc">
<span id="doc-linsolve"></span><h1>Summary of Sparse Linear Solvers Available In PETSc<a class="headerlink" href="#summary-of-sparse-linear-solvers-available-in-petsc" title="Link to this heading">#</a></h1>
<section id="preconditioners">
<h2>Preconditioners<a class="headerlink" href="#preconditioners" title="Link to this heading">#</a></h2>
<table class="table table-center">
<thead>
<tr class="row-odd"><th class="head"></th>
<th class="head"><p>Algorithm</p></th>
<th class="head"><p>Associated Type</p></th>
<th class="head"><p>Matrix Types</p></th>
<th class="head"><p>External Packages</p></th>
<th class="head"><p>Parallel</p></th>
<th class="head"><p>Complex</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>Generic</p></td>
<td><p>Jacobi</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCJACOBI.html">PCJACOBI</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATDENSE.html">MATDENSE</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Point Block Jacobi</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCPBJACOBI.html">PCPBJACOBI</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATKAIJ.html">MATKAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATMPISELL.html">MATMPISELL</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATIS.html">MATIS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Variable Point Block Jacobi</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCPBJACOBI.html">PCPBJACOBI</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Block Jacobi</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCBJACOBI.html">PCBJACOBI</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>SOR</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCSOR.html">PCSOR</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQDENSE.html">MATSEQDENSE</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQSBAIJ.html">MATSEQSBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Point Block SOR</p></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQBAIJ.html">MATSEQBAIJ</a></span></code> (only for <code class="docutils notranslate"><span class="pre">bs</span></code> = 2,3,4,5)</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Kaczmarz</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCKACZMARZ.html">PCKACZMARZ</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Additive Schwarz</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCASM.html">PCASM</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Vanka/overlapping patches</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCPATCH.html">PCPATCH</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Deflation</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCDEFLATION.html">PCDEFLATION</a></span></code></p></td>
<td><p>All</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Incomplete</p></td>
<td><p>ILU</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCILU.html">PCILU</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQBAIJ.html">MATSEQBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>ILU with drop tolerance</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCILU.html">PCILU</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="../../manualpages/Mat/MATSOLVERSUPERLU.html">SuperLU Sequential ILU solver</a></p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCILU.html">PCILU</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>Euclid/hypre (<code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCHYPRE.html">PCHYPRE</a></span></code>)</p></td>
<td><p>X</p></td>
<td></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>ICholesky</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCICC.html">PCICC</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQBAIJ.html">MATSEQBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQSBAIJ.html">MATSEQSBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Algebraic recursive multilevel</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCPARMS.html">PCPARMS</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://www-users.cse.umn.edu/~saad/software/pARMS/">pARMS</a></p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Matrix Free</p></td>
<td><p>Infrastructure</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCSHELL.html">PCSHELL</a></span></code></p></td>
<td><p>All</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Multigrid</p></td>
<td><p>Infrastructure</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCMG.html">PCMG</a></span></code></p></td>
<td><p>All</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Geometric</p></td>
<td></td>
<td><p>All</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Smoothed Aggregation</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCGAMG.html">PCGAMG</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Smoothed Aggregation (ML)</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCML.html">PCML</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://trilinos.github.io/ml.html">ML/Trilinos</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Structured Geometric</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCPFMG.html">PCPFMG</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCSYSPFMG.html">PCSYSPFMG</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCSMG.html">PCSMG</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/DMDA/MATHYPRESTRUCT.html">MATHYPRESTRUCT</a></span></code></p></td>
<td><p><a class="reference external" href="https://hypre.readthedocs.io/en/latest/solvers-smg-pfmg.html">hypre</a></p></td>
<td><p>X</p></td>
<td></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Classical Algebraic</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCHYPRE.html">PCHYPRE</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCAMGX.html">PCAMGX</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://hypre.readthedocs.io/en/latest/solvers-boomeramg.html">BoomerAMG/hypre</a>, <a class="reference external" href="https://developer.nvidia.com/amgx">AmgX</a></p></td>
<td><p>X</p></td>
<td></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Multi-group MG</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCHMG.html">PCHMG</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Domain Decomposition</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCHPDDM.html">PCHPDDM</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATIS.html">MATIS</a></span></code></p></td>
<td><p><a class="reference external" href="https://github.com/hpddm/hpddm">HPDDM</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Hierarchical matrices</p></td>
<td><p><span class="math">\(\mathcal H^2\)</span></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCH2OPUS.html">PCH2OPUS</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATHTOOL.html">MATHTOOL</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATH2OPUS.html">MATH2OPUS</a></span></code></p></td>
<td><p><a class="reference external" href="https://github.com/ecrc/h2opus">H2OPUS</a></p></td>
<td><p>X</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>Physics-based Splitting</p></td>
<td><p>Relaxation &amp; Schur Complement</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCFIELDSPLIT.html">PCFIELDSPLIT</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATNEST.html">MATNEST</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Galerkin composition</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCGALERKIN.html">PCGALERKIN</a></span></code></p></td>
<td><p>Any</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Additive/multiplicative</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCCOMPOSITE.html">PCCOMPOSITE</a></span></code></p></td>
<td><p>Any</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Least Squares Commutator</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCLSC.html">PCLSC</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/MATSCHURCOMPLEMENT.html">MATSCHURCOMPLEMENT</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Parallel transformation</p></td>
<td><p>Redistribution</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCREDISTRIBUTE.html">PCREDISTRIBUTE</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Telescoping communicator</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCTELESCOPE.html">PCTELESCOPE</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>Distribute for MPI</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCMPI.html">PCMPI</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Approximate Inverse</p></td>
<td><p>AIV</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCHYPRE.html">PCHYPRE</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCSPAI.html">PCSPAI</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://hypre.readthedocs.io/en/latest/solvers-parasails.html">Parasails/hypre</a>, <a class="reference external" href="https://epubs.siam.org/doi/abs/10.1137/S1064827595294691?journalCode=sjoce3">SPAI</a></p></td>
<td><p>X</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>Substructuring</p></td>
<td><p>Balancing Neumann-Neumann</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCNN.html">PCNN</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATIS.html">MATIS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td><p>Balancing Domain Decomposition</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCBDDC.html">PCBDDC</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATIS.html">MATIS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>2-level Schwarz wire basket</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCEXOTIC.html">PCEXOTIC</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
</tbody>
</table>
</section>
<hr class="docutils" />
<section id="direct-solvers">
<h2>Direct Solvers<a class="headerlink" href="#direct-solvers" title="Link to this heading">#</a></h2>
<table class="table table-center">
<thead>
<tr class="row-odd"><th class="head"></th>
<th class="head"><p>Algorithm</p></th>
<th class="head"><p>Associated Type</p></th>
<th class="head"><p>Matrix Types</p></th>
<th class="head"><p>External Packages</p></th>
<th class="head"><p>Parallel</p></th>
<th class="head"><p>Complex</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>Direct LU</p></td>
<td><p>LU</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCLU.html">PCLU</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQBAIJ.html">MATSEQBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://www.mathworks.com/products/matlab.html">MATLAB</a></p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="http://pastix.gforge.inria.fr/files/README-txt.html">PaStiX</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://portal.nersc.gov/project/sparse/superlu/">SuperLU</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATBAIJ.html">MATBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQSELL.html">MATSEQSELL</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATDENSE.html">MATDENSE</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATNEST.html">MATNEST</a></span></code></p></td>
<td><p><a class="reference external" href="https://mumps-solver.org/">MUMPS</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://www.ibm.com/support/knowledgecenter/en/SSFHY8/essl_welcome.html">ESSL</a></p></td>
<td></td>
<td></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://people.engr.tamu.edu/davis/suitesparse.html">UMFPACK (SuiteSparse)</a></p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://people.engr.tamu.edu/davis/suitesparse.html">KLU (SuiteSparse)</a></p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://web.stanford.edu/group/SOL/software/lusol/">LUSOL</a></p></td>
<td></td>
<td></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQBAIJ.html">MATSEQBAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://software.intel.com/content/www/us/en/develop/documentation/onemkl-developer-reference-c/top.html">MKL PARDISO</a></p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATMPIAIJ.html">MATMPIAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATMPIBAIJ.html">MATMPIBAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://software.intel.com/content/www/us/en/develop/documentation/onemkl-developer-reference-c/top.html">MKL Cluster PARDISO</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATDENSE.html">MATDENSE</a></span></code></p></td>
<td><p><a class="reference external" href="https://github.com/elemental/Elemental">Elemental</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Direct Cholesky</p></td>
<td><p>Cholesky</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCCHOLESKY.html">PCCHOLESKY</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQSBAIJ.html">MATSEQSBAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="http://pastix.gforge.inria.fr/files/README-txt.html">PaStiX</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSBAIJ.html">MATSBAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATDENSE.html">MATDENSE</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATNEST.html">MATNEST</a></span></code></p></td>
<td><p><a class="reference external" href="https://mumps-solver.org/">MUMPS</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQSBAIJ.html">MATSEQSBAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://people.engr.tamu.edu/davis/suitesparse.html">CHOLMOD (SuiteSparse)</a></p></td>
<td></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATDENSE.html">MATDENSE</a></span></code></p></td>
<td><p><a class="reference external" href="https://github.com/elemental/Elemental">Elemental</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQSBAIJ.html">MATSEQSBAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://software.intel.com/content/www/us/en/develop/documentation/onemkl-developer-reference-c/top.html">MKL PARDISO</a></p></td>
<td></td>
<td></td>
</tr>
<tr class="row-even"><td></td>
<td></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATMPIAIJ.html">MATMPIAIJ</a></span></code>, <code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATMPIBAIJ.html">MATMPIBAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://software.intel.com/content/www/us/en/develop/documentation/onemkl-developer-reference-c/top.html">MKL CPardiso</a></p></td>
<td><p>X</p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p>Direct SVD</p></td>
<td><p>Singular value decomposition</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCSVD.html">PCSVD</a></span></code></p></td>
<td><p>Any</p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Direct QR</p></td>
<td><p>QR</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/PC/PCQR.html">PCQR</a></span></code></p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATSEQAIJ.html">MATSEQAIJ</a></span></code></p></td>
<td><p><a class="reference external" href="https://people.engr.tamu.edu/davis/suitesparse.html">SuiteSparse QR</a></p></td>
<td></td>
<td></td>
</tr>
<tr class="row-odd"><td></td>
<td><p>XXt and XYt</p></td>
<td></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/Mat/MATAIJ.html">MATAIJ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td></td>
</tr>
</tbody>
</table>
</section>
<hr class="docutils" />
<section id="krylov-methods">
<h2>Krylov Methods<a class="headerlink" href="#krylov-methods" title="Link to this heading">#</a></h2>
<table class="table table-center">
<thead>
<tr class="row-odd"><th class="head"><p>Algorithm</p></th>
<th class="head"><p>Associated Type</p></th>
<th class="head"><p>External Packages</p></th>
<th class="head"><p>Parallel</p></th>
<th class="head"><p>Complex</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p>Richardson</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPRICHARDSON.html">KSPRICHARDSON</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Chebyshev</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPCHEBYSHEV.html">KSPCHEBYSHEV</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>GMRES</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Flexible GMRES</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPFGMRES.html">KSPFGMRES</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>LGMRES</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPLGMRES.html">KSPLGMRES</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Deflated GMRES</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPDGMRES.html">KSPDGMRES</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td></td>
</tr>
<tr class="row-even"><td><p>Two-stage with least squares residual minimization</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPTSIRM.html">KSPTSIRM</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPCG.html">KSPCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Conjugate Gradient Squared</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPCGS.html">KSPCGS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Conjugate Gradient for Least Squares</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPCGLS.html">KSPCGLS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Conjugate Gradient on Normal Equations</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPCGNE.html">KSPCGNE</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Nash Conjugate Gradient with trust region constraint</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPNASH.html">KSPNASH</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Conjugate Gradient with trust region constraint</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPSTCG.html">KSPSTCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Gould et al Conjugate Gradient with trust region constraint</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPGLTR.html">KSPGLTR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Steinhaug Conjugate Gradient with trust region constraint</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPQCG.html">KSPQCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Left Conjugate Direction</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPLCD.html">KSPLCD</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Bi-Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPBICG.html">KSPBICG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Stabilized Bi-Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPBCGS.html">KSPBCGS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Improved Stabilized Bi-Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPIBCGS.html">KSPIBCGS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Transpose-free QMR</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPTFQMR.html">KSPTFQMR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Transpose-free variant of QMR developed by Tony Chan</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPTCQMR.html">KSPTCQMR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>QMR BiCGStab</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPQMRCGS.html">KSPQMRCGS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Flexible Conjugate Gradients</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPFCG.html">KSPFCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Flexible stabilized Bi-Conjugate Gradients</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPFBCGS.html">KSPFBCGS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Flexible stabilized Bi-Conjugate Gradients with fewer reductions</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPFBCGSR.html">KSPFBCGSR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Stabilized Bi-Conjugate Gradients with length <span class="math">\(\ell\)</span> recurrence</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPBCGSL.html">KSPBCGSL</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Conjugate Residual</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPCR.html">KSPCR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Generalized Conjugate Residual</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPGCR.html">KSPGCR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Generalized Conjugate Residual (with inner normalization and deflated restarts)</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPHPDDM.html">KSPHPDDM</a></span></code></p></td>
<td><p><a class="reference external" href="https://github.com/hpddm/hpddm">HPDDM</a></p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Minimum Residual</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPMINRES.html">KSPMINRES</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>LSQR</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPLSQR.html">KSPLSQR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>SYMMLQ</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPSYMMLQ.html">KSPSYMMLQ</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>FETI-DP (reduction to dual-primal sub-problem)</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPFETIDP.html">KSPFETIDP</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Gropp’s overlapped reduction pipelined Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPGROPPCG.html">KSPGROPPCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Pipelined Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPECG.html">KSPPIPECG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Pipelined Conjugate Gradient with residual replacement</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPECGRR.html">KSPPIPECGRR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Pipelined depth <span class="math">\(\ell\)</span> Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPELCG.html">KSPPIPELCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Pipelined predict-and-recompute Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPEPRCG.html">KSPPIPEPRCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Pipelined Conjugate Gradient over iteration pairs</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPECG2.html">KSPPIPECG2</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Pipelined flexible Conjugate Gradient</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPEFCG.html">KSPPIPEFCG</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Pipelined stabilized Bi-Conjugate Gradients</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPEBCGS.html">KSPPIPEBCGS</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Pipelined Conjugate Residual</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPECR.html">KSPPIPECR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Pipelined flexible GMRES</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPEFGMRES.html">KSPPIPEFGMRES</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-odd"><td><p>Pipelined Generalized Conjugate Residual</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPIPEGCR.html">KSPPIPEGCR</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
<tr class="row-even"><td><p>Pipelined GMRES</p></td>
<td><p><code class="docutils notranslate"><span class="pre"><a href="../manualpages/KSP/KSPPGMRES.html">KSPPGMRES</a></span></code></p></td>
<td><p>—</p></td>
<td><p>X</p></td>
<td><p>X</p></td>
</tr>
</tbody>
</table>
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