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Diffstat (limited to 'docs/source/solving.rst')
| -rw-r--r-- | docs/source/solving.rst | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/docs/source/solving.rst b/docs/source/solving.rst index d8b9f4a..f17c695 100644 --- a/docs/source/solving.rst +++ b/docs/source/solving.rst @@ -1147,7 +1147,23 @@ elimination group [LiSaad]_. ``CLUSTER_JACOBI`` and ``CLUSTER_TRIDIAGONAL``. See :ref:`section-preconditioner` for more details. -.. member:: SparseLinearAlgebraLibrary Solver::Options::sparse_linear_algebra_library +.. member:: DenseLinearAlgebraLibrary Solver::Options::dense_linear_algebra_library_type + + Default:``EIGEN`` + + Ceres supports using multiple dense linear algebra libraries for + dense matrix factorizations. Currently ``EIGEN`` and ``LAPACK`` are + the valid choices. ``EIGEN`` is always available, ``LAPACK`` refers + to the system ``BLAS + LAPACK`` library which may or may not be + available. + + This setting affects the ``DENSE_QR``, ``DENSE_NORMAL_CHOLESKY`` + and ``DENSE_SCHUR`` solvers. For small to moderate sized probem + ``EIGEN`` is a fine choice but for large problems, an optimized + ``LAPACK + BLAS`` implementation can make a substantial difference + in performance. + +.. member:: SparseLinearAlgebraLibrary Solver::Options::sparse_linear_algebra_library_type Default:``SUITE_SPARSE`` @@ -1837,7 +1853,8 @@ elimination group [LiSaad]_. TrustRegionStrategyType trust_region_strategy_type; DoglegType dogleg_type; - SparseLinearAlgebraLibraryType sparse_linear_algebra_library; + DenseLinearAlgebraLibraryType dense_linear_algebra_library_type; + SparseLinearAlgebraLibraryType sparse_linear_algebra_library_type; LineSearchDirectionType line_search_direction_type; LineSearchType line_search_type; |