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Doc: explain perf and multithreading issues in sparse iterative solvers

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Gael Guennebaud
2015-06-26 10:49:40 +02:00
parent 53b930887d
commit 555b9c6843
4 changed files with 21 additions and 7 deletions
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doc/SparseLinearSystems.dox
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@@ -21,7 +21,7 @@ They are summarized in the following table:
<tr><td>ConjugateGradient</td><td>\link IterativeLinearSolvers_Module IterativeLinearSolvers \endlink</td><td>Classic iterative CG</td><td>SPD</td><td>Preconditionning</td>
<td>built-in, MPL2</td>
<td>Recommended for large symmetric problems (e.g., 3D Poisson eq.)</td></tr>
<tr><td>LSCG</td><td>\link IterativeLinearSolvers_Module IterativeLinearSolvers \endlink</td><td>CG for rectangular least-square problem</td><td>Rectangular</td><td>Preconditionning</td>
<tr><td>LeastSquaresConjugateGradient</td><td>\link IterativeLinearSolvers_Module IterativeLinearSolvers \endlink</td><td>CG for rectangular least-square problem</td><td>Rectangular</td><td>Preconditionning</td>
<td>built-in, MPL2</td>
<td>Solve for min |A'Ax-b|^2 without forming A'A</td></tr>
<tr><td>BiCGSTAB</td><td>\link IterativeLinearSolvers_Module IterativeLinearSolvers \endlink</td><td>Iterative stabilized bi-conjugate gradient</td><td>Square</td><td>Preconditionning</td>